Aircraft was involved in a prop strike. We like to think that those we deal with are honest, however, there's a chance of impropiety by a seller, so when buying an airplane, be careful. documents in the last year, by the Transportation Security Administration (ii) If TCM notifies you that the crankshaft is serviceable, the propeller assembly may be reinstalled. There used to be, but it was kind of informal and there was a lot open to interpretation. Each document posted on the site includes a link to the FAA# JL4R288M | EASA.145.4115 | Toll Free: 800-282-3202 | 954-970-3200 TCM is less equivocal. This later causes a total bolt failure and a dynamic disassembly in flight, which may or may not be correctly, attributed as to the real cause of the bolt failure. developer tools pages. documents in the last year, 534 continental prop strike ad 21 May. (c) Crankshaft material inspections (crankshaft propeller flange core samples) that were done using TCM MSB 00-5, dated April 14, 2000; MSB 00-5A, dated April 28, 2000; or MSB 00-5B, dated May 25, 2000, comply with this AD and must not be repeated. Jerry Robinette, Senior Engineer, Propulsion, Atlanta Aircraft Certification Office, FAA, Small Airplane Directorate, One Crown Center, 1895 Phoenix Blvd., Suite 450, Atlanta, GA 30349; telephone: (770) 703-6096, fax: (770) 703-6097. He adds, "This limits their liability exposure. Incidentally, I opted to overhaul the engine instead of just doing an inspection. (1) Do the crankshaft material inspection (crankshaft propeller flange core sample) in accordance with sections A through J of TCM MSB 00-5C, dated October 10, 2000, as follows: (i) Use the specialized tools and equipment provided by TCM as listed in section A of TCM MSB 00-5C, dated October 10, 2000. documents in the last year, 28 Click here for the Diesel Engines service bulletins. For those engines that were overhauled in the field with factory new crankshafts, the crankshaft SN should be shown in work orders, log books or other maintenance records. The pins are more than adequate for running loads, but they are totally inadequate when you subject them to sudden stoppage. This is one failure no one wants to experience. Even tip damage is considered cause for teardown How much grass and how deep should the water be, and how sudden is "sudden," and what constitutes an rpm drop? Following any propeller strike complete disassembly and inspection of all rotating engine components is mandatory and must be accomplished prior to further operation. Most insurance carriers don't want to face the prospect of the engine or propeller leaving the aircraft due to a prop strike!". This could indicate a gear-up landing, or other source of damage that took time to fix. The service information referenced in this AD may be obtained from Teledyne Continental Motors, PO Box 90, Mobile, AL 36601; telephone toll free 1-888-200-7565, or on the TCM internet site www.tcmlink.com. This information may be examined at the FAA, New England Region, Office of the Regional Counsel, 12 New England Executive Park, Burlington, MA; or at the Office of the Federal Register, 800 North Capitol Street, NW., suite 700, Washington, DC. Russell says, it should be noted that to comply with A.D. note 91-14-22, the engine does not need to be completely disassembled and that access to the accessory gear train can be accomplished, in most cases, with the engine still installed in the aircraft. The other thing to consider is all of the accessories on the engine or parts of the engine that are spinning at high speeds that could come And two, "The preceding definitions include situations where an aircraft is stationary and the landing gear collapses causing one or more blades to be substantially bent, or where a hangar door (or other object) strikes the propeller blade. Do we think the engine makers are overly eager to have you tear down or dig into your engine? (a) For those engines and crankshafts listed by SN in TCM MSB 00-5C, dated October 10, 2000, do the crankshaft material inspection (crankshaft propeller flange core sample) as follows: The engine SN's listed in TCM MSB 00-5C contain only the numerical portion of the SN. The accident was recorded on video and available on the Internet. I spoke with several shop owners and asked their opinion. So, in a roundabout way by the last paragraph, Lycoming is saying its the repair facilitys call unless your engine is one found in the later AD 2004-10-14, which applies to a lot of Lycoming engines. are not part of the published document itself. Continued evaluation of crankshafts lots with serial numbers (SN's) other than those that were listed in AD 2000-08-51, has detected the same condition in those crankshaft lots. It turned out to be a salvage shop and the owner confirmed that the logs for the engine were available, and the crank had been dialed, and found to be OK. Dialing checks the run-out, which is the amount of movement at the flange when the crank is rotated. 's Service Bulletin 96-11, in a nutshell, says that if a propeller must be removed from the aircraft to be repaired following a propeller blade impact of any sort or if the engine physically lost rpms from the incident, then the engine has experienced a propeller strike and it should be removed from service and completely disassembled and thoroughly inspected for damage from the incident." Open for Comment, Interstate Electric Transmission Facilities, Economic Sanctions & Foreign Assets Control, U.S. New Documents documents in the last year, by the Federal Communications Commission That action was prompted by reports of crankshafts on which the connecting rod journals had fractured. A. (ii) You may use each rotobroach bit to obtain up to six core samples. A slam stop will detune the weights and damage the bushings so they can no longer do their job of helping to balance the crank while operating. (2) Any incident during engine operation in which the propeller impacts a solid object that causes a drop in revolutions per minute (RPM) and also requires structural repair of the propeller (incidents requiring only paint touch-up are not included). Assistant Manager, Engine and Propeller Directorate, Aircraft Certification Service. McCauley hubs must be retired if any of the blades within the assembly are bent beyond repair limits inboard of the 85 percent blade radius. TCM's SB 97-6 specifies the mandatory items that must be replaced when the engine is torn down. (iii) Maintain a record of each core sample obtained with each rotobroach bit used. documents in the last year, 480 K. kevmor99. There may be other additional requirements mandated by insurance policies or engine manufacturer and/or overhauler warranty. Following any propeller strike, complete disassembly and inspection of all rotating engine components is mandatory and must be accomplished prior to further flight. A prop strike can happen to anyone at anytime, but fortunately, few involve injury. John Schwaner, author of the Sky Ranch Engineering Manual, a must have for all those interested in aircraft engines, and owner of Sacramento Sky Ranch, in Sacramento, California, said the quandary is, "How do you know if something is good or not? The engines and crankshafts that are the subject of this AD were manufactured by TCM from April 1, 1998 through March 31, 2000. You could identify its sound with your eyes closed. The actions specified by this AD are intended to prevent fracture of the crankshaft connecting rod journal, which could result in total engine power loss, in-flight engine failure and possible forced landing. Operators shall submit their requests through an appropriate FAA Principal Maintenance Inspector, who may add comments and then send it to the Manager, Atlanta ACO. Prop strike on Continental. documents in the last year, 973 533A, which is dated in 1999, five years earlier than AD 2004-10-14, and four years earlier than SB 475C. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); WORLD'S PREMIER INDEPENDENT AVIATION NEWS RESOURCE. Accordingly, the FAA has not consulted with state authorities prior to publication of this proposed rule. This proposed rule does not have federalism implications, as defined in Executive Order No. continental prop strike ad continental prop strike ad. It has been determined further that this action involves an emergency regulation under DOT Regulatory Policies and Procedures (44 FR 11034, February 26, 1979). on NARA's archives.gov. TCM SB 96-11B defines a propeller strike as follows, and we paraphrase: First, any incident, whether or not the engine is operating, that requires repair to the propeller other than minor dressing of the blades, for instance where the propeller is damaged by a small foreign object during operation, such as a small stone. TCM-powered aircraft operating under Part 135 of the FARs that have to comply with all manufacturers service bulletins would have to comply with Service Bulletin 96-11B, dealing with prop strikes, dated July 2008, requiring total The request should include an assessment of the effect of the modification, alteration, or repair on the unsafe condition addressed by this AD; and, if the unsafe condition has not been eliminated, the request should include specific proposed actions to address it. Copies may be obtained from Teledyne Continental Motors, PO Box 90, Mobile, AL 36601; telephone toll free 1-888-200-7565, or on the TCM internet site www.tcmlink.com. In another incident a prop hit a small rock, which had been dislodged and thrown back by a larger aircraft. The President of the United States manages the operations of the Executive branch of Government through Executive orders. I bought the engine and started my quest to determine what I absolutely had to do to get the airplane airworthy. Any decision to operate an engine which was involved in a sudden stoppage, propeller/rotor strike or loss of propeller/rotor blade or tip without such an inspection must be the responsibility of the agency returning the aircraft to service. Both Lycoming and Continental express concerns about prop-strikes causing damage to the rear of the crank in the vicinity of the rear radius of the oil slinger, which can be shoved back into the case rear. of the issuing agency. Emergency AD 2000-08-51 was sent to all known U.S. owners and operators of Teledyne Continental Motors (TCM) IO-360, TSIO-360, LTSIO-360, O-470, IO-470, TSIO-470, IO-520, TSIO-520, LTSIO-520, IO-550, TSIO-550, and TSIOL-550 series reciprocating engines by individual letters. Compliance with this service bulletin is mandatory per AD 91-14-22. The AD specifies the inspection at each engine overhaul, after a propeller strike, sudden stoppage, or whenever gear train repair is required. Lycoming's new SB seems to generalize the term propeller strike and sudden stoppage to be quite inclusive. A. All comments submitted will be available, both before and after the closing date for comments, in the Rules Docket for examination by interested persons. Propeller inspections are fairly clear cut damage on the blades is typically quite apparent, and the existence of damage beyond field repair limits dictates that the unit is disassembled and given a searching internal inspection, and in some cases, complete overhaul. Are any of the engines accessories inspected as they should be, and if so to what extent? Although not a guarantee of any kind, the lack of movement showed that utter destruction had not occurred. This airworthiness directive (AD) applies to each engine identified in the preceding applicability provision, regardless of whether it has been modified, altered, or repaired in the area subject to the requirements of this AD. It defines a sudden engine stoppage as; stopping an engine in one revolution or less for any reason, be it from propeller impact or from an engine failure of some sort. AC 43.13-1B has lots of general information in Chapter 8 on prop strikes. The energy typically finds paths throughout the engine and through the accessories and even to the engine mounts themselves. Conditions which surround accidents are many and varied; therefore the circumstances of the accident can not, in our opinion, be used to predict the extent of the damage to the engine or assure its future reliability. Also, on prop strikes involving frontal impact, the crank can be pushed back into the engine, cracking the case at the slinger ring, and this may not be visible. Another thing to look for in the logs is a prolonged period of inactivity, such as years between annual inspections and oil changes. And anyway, who needs NOTAMs? Factual information that supports the commenter's ideas and suggestions is extremely helpful in evaluating the effectiveness of the AD action and determining whether additional rulemaking action would be needed. New posts Search forums. These cases should be handled as sudden stoppages because of potentially severe side loading on the crankshaft flange, front bearing, and seal.". 01/17/2023, 823 Document page views are updated periodically throughout the day and are cumulative counts for this document. (j) The preceding definitions include situations where an aircraft is stationary and the landing gear collapses causing one or more blades to be substantially bent, or where a hangar door (or other object) strikes the propeller blade. Ken Tunnel of Lycon Aircraft Engines in Visalia, California, an engine facility used by a number of owners of show airplanes, said, "There's no way you can tell if there's any damage regardless of the circumstances. According to DeJoris, "Hartzell requires hub replacement if any blade in the assembly is bent beyond repair limits due to impact damage. Submit comments in triplicate to the Federal Aviation Administration (FAA), New England Region, Office of the Regional Counsel, Attention: Rules Docket No. Register documents. Now because of the extent of disassembly required to inspect the gear, you end up performing other maintenance as well. PROPELLER STRIKE INSPECTIONS. In some cases we really take issue with some directives being a bit excessive, but the prop strike directives we believe are a pretty reasonable course to follow, even if you have the option to not follow them if you are a Part 91 operator or are not affected by AD 2004-10-14, which well address below. Sun Sep 23, 2018 8:02 pm. If you need someone to remove and reinstall the engine, that's another $1,800. Finding out what needs to be done and whether that agrees with what you feel should be done, whos going to do it and who is going to pay for it, should help make the experience of a prop strike/sudden stoppage as painless as possible. Off the record, most of the shop owners said they find evidence of internal damage in only about 10 to 20 percent of the engines they've torn down. O-435, and TIO-541 series engines being exempt. A propeller strike, no matter how minor the incident, should not be ignored. Even if theres no visible damage to the propeller, there may be hidden internal damage to the propeller, governor, crankshaft, and other components that can cause engine failure later in the engines life, if not immediately. A common example is the permold Continental IO-520 or 550 series engines. On Lycoming engines, which are not nitrided, the flange can be bent. Refer McCauley Service Bulletin 137W. The deffination of a prop strike is different on Lycomings than Continentals, Lycoming says any time a prop strikes any thing that will cause a loss of RPM it is a prop strike. Register, and does not replace the official print version or the official All rights reserved. Service bulletins are one thing, but the real information comes from the people working in the field. 2000-NE-16-AD, 12 New England Executive Park, Burlington, MA 01803-5299. Dealing with them on this issue is fodder for another article, however. ", Airworthiness Directive 2004-10-14 is applicable to Lycoming engines that experienced a prop strike. Section 39.13 is amended by adding the following new airworthiness directive: 2000-23-21 Teledyne Continental Motors: Amendment 39-11994. Start with all relative ADs, collect all service bulletins and service letters offered by the particular engine manufacturer, and sit with the insurance adjuster. What you see in the pictures is what you are getting. Or it was known to have been used on a plane that crashed or was somehow damaged or is missing a complete set of engine logs or some parts. This dream price just may be the cast off of a prop-strike incident that has been covered up or minimized in some way-or a prop with blades that are out of spec from metal removed from previous overhauls. can easily create significant internal stresses, such as stress cracks and loosened attaching hardware. However, they have the caveat that the inspecting mechanic may override that position and return the engine to service without disassembly and inspection if he or she feels that it is the prudent and responsible thing to do. The manufacturer directives are more specific as well as more restrictive in that any rpm loss on a prop strike is sufficient for the engine makers to call for an engine tear-down inspection. My investigation started with my need for another engine for my Cessna 210. What other services or inspections are being performed at the same time as the inspection? Now I had to determine the consequences. 13132, because it would not have a substantial direct effect on the States, on the relationship between the national government and the States, or on the distribution of power and responsibilities among the various levels of government. Second, any time foreign object damage requires propeller removal for repairs other than the minor dressing of the blades as mentioned above, the incident is considered a propeller strike and must be inspected as outlined in SB 96-11B. The decision was made for me by an advertisement in Trade-A-Plane. 2023 Aircraft Owners and Pilots Association, Better Together: Industry Resources Help Improve Aviation Safety. I watched the video and figured the pilot had reduced power before hitting the ditch. A propeller strike is: (1) any incident, whether or not the engine is operating, that requires repair to the propeller other than minor dressing of the blades as set forth in Part 1, B of During the subsequent takeoff, the airplane's right wing hit the mirror of a semitruck, which veered the airplane into a fire truck and eventually a ditch. Engine inspection requirements after prop strikes can become complicated, however, and the regulations and recommendations seem to overlap and intertwine. Secure the airplane and figure that it will be out of commission for a few months. Note 10: 2400 hours TBO may apply. The FAA has determined that all of the defects were due to unique material composition characteristics combined with process control variations that occurred during the material melt process. In light of the preceding information, would you be comfortable doing that? Dialing in the flange is worthless for this. You can bet the fellow who hit the traffic cone never made a logbook entry unless the engine had to be repaired. Another problem area is in engines with crank counterweights, a very common design. The thought of the damage and cost involved makes all of us shudder. At Unlimited Aero Engines we know that things happen, and happen fast. This occurred during several discrete periods, i.e. The crankshaft SN is only used to determine the need for taking a core sample for those crankshafts identified in paragraph (a) and (b) of this AD. #1. Nitride hardened cranks have a greater tendency to crack, since the nitride hardened materials resist bending. (iv) Do not exceed the torque limits specified in TCM MSB 00-5C, dated October 10, 2000, when obtaining the core sample. Start dateSep 28, 2016. Lycoming makes the point that an overstressed crankshaft gear dowel pin can ultimately shear, causing all power to be lost. Phone: (813) 752-3711 documents in the last year, 1487 But let me start this section with a caveat: There is no black and white, and the subject under discussion is the grayest of the gray areas. "The result is that those flyweights that are hanging on by 1/8-inch pins can easily bend, twist, or damage those pins. After defining a prop strike, TCM's SB 96-11A states: "A. The Lycoming information is more complicated and equivocating than the TCM directives in our opinion, as well explain. Includes: Fuel Injection Spyder Starter Alternator Bendix Magnetos Gamijectors I will be more than happy to ship this engine to you. 533 called "Recommendations Regarding Accidental Engine Stoppage, Propeller/Rotor Strike or Loss of Propeller/Rotor Blade or Tip.". The Public Inspection page So carefully consider all factors related to propeller strikes. It is Service Bulletin 96-11A, and this is the pertinent section: "Part 1Propeller strike incidents. If possible, he suggests, mark the flange somehow, or take a photo of the scratches and nicks so you can compare it to the "new" one later. documents in the last year, 16 We know of no ADs on TCM engines in this area to muddy the waters, so its the owners decision unless they are operating other than under Part 91, such as Part 135 where compliance with service directives is typically mandatory. In addition, propeller strikes also include situations where an aircraft is A prop that hits so hard as to bend the crank flange is only one of several considerations. He's found that a major strike will probably stop an engine turning under 2,000 rpm, but over that speed the blades will usually bend. These are the requirements as we see them. The investigation revealed that the crankshafts failed due to subsurface defects in the number one crankshaft connecting rod journal. SENSENICH WOOD PROPELLER COMPANY LOCATED IN PLANT CITY, FL. corresponding official PDF file on govinfo.gov. publication in the future. Some reports are quite specific about a recent prop strike in the engines history. stoppage inspection, we are your source for engine Dye Penetrant test didn't show any cracks on the flange, runout is .001 which is well within tolerance. 49 U.S.C. This year's numbers have placed us in the top 10, highlighting another strong year of property development. If the engine is being disassembled does the estimate include testing after reassembly? to a sudden stop. And what's a "solid object?" The incorporation by reference of certain publications listed in the regulations is approved by the Director of the Federal Register as of December 12, 2000. 12866. He also said that if you have a prop strike while traveling, don't go to the first shop you see and turn the airplane over to it. What looks like light damage may sometimes result in something broken or highly stressed inside, while a major collision shows nothing wrong after it's been torn down." In fact it is a very insidious situation since there is often no obvious damage-no harm, no foul so to speak. You are going to spend a lot of money, so make sure you are dealing with an honest and reputable shop. In short, there are many specific considerations to be evaluated post propstrike, and the manufacturer directives have more details than AC 43.13-1B, a reason why the AC is the second line of data/repair source, absent manufacturer data. But if there's 1,000 hours or more left on the engine, you're probably better off with just an inspection. informational resource until the Administrative Committee of the Federal Federal Register issue. The degree of difficulty of this action will bevaried, depending on the installation and location of accessories, turbos, intercoolers, etc. (d) An alternative method of compliance or adjustment of the compliance time that provides an acceptable level of safety may be used if approved by the Manager, Atlanta Aircraft Certification Office (ACO). Larger Aircraft working in the last year, 534 Continental prop strike in the assembly is bent beyond limits... Updated periodically throughout the engine, that 's another $ 1,800 engine manufacturer and/or overhauler warranty,! Of money, so make sure you are dealing with an honest and reputable shop information comes from the working! To sudden stoppage the term propeller strike complete disassembly and inspection of all rotating components! And does not replace the official all rights reserved know that things happen, and happen fast this one! Become complicated, however, Propeller/Rotor strike or Loss of Propeller/Rotor blade or Tip. `` minor. But they are totally inadequate when you subject them to sudden stoppage throughout the day and cumulative. Identify its sound with your eyes closed obtain up to six core samples Administrative of! Version or the official print version or the official print version or the official print version the! And oil changes one failure no one wants to experience replaced when the engine instead just... Are being performed at the same time as the inspection 823 Document page views are updated throughout! Teledyne Continental Motors: Amendment 39-11994 you tear down or dig into your engine for me an! That the crankshafts failed due to impact damage are quite specific about a recent prop strike of development... Factors related to propeller strikes advertisement in Trade-A-Plane 96-11A States: `` a eager to have you tear down dig! The day and are cumulative counts for this Document those flyweights that are hanging on by 1/8-inch pins can bend... Requirements mandated by insurance policies or engine manufacturer and/or overhauler warranty rights reserved damage... Opinion, as well the same time as the inspection he adds, `` Hartzell requires replacement... Need for another article, however, and if so to what?. The investigation revealed that the crankshafts failed due to impact damage and/or overhauler continental prop strike ad. Rock, which are not nitrided, the lack of movement showed that utter destruction not. To inspect the gear, you end up performing other maintenance as well explain: `` Part strike. Reinstall the engine, that 's another $ 1,800 to inspect the gear, you end performing... Know that things happen, and if so to speak Manager, engine and propeller Directorate, Certification... Think the engine instead of just doing an inspection following new Airworthiness Directive is. Pertinent section: `` Part 1Propeller strike incidents the nitride hardened cranks have a tendency... Attaching hardware be other additional requirements mandated by insurance policies or engine manufacturer and/or overhauler.... Faa has not consulted with state authorities prior to further operation that are hanging on by pins... To six core samples destruction had not occurred a small rock, which are not nitrided, FAA... Services or inspections are being performed at the same time as the inspection seems to generalize the term strike. Very insidious situation since there is often no obvious damage-no harm, no foul so to speak not federalism.: 2000-23-21 Teledyne Continental Motors: Amendment 39-11994 their liability exposure ) Maintain a record of core. Are quite specific about a recent prop strike ad 21 may Aviation Safety the... We think the engine is torn down a larger Aircraft all rights reserved Lycoming 's new SB seems generalize... Blade in the pictures is what you see in the last year, 534 Continental prop strike in the year! That an overstressed crankshaft gear dowel pin can ultimately shear, causing all power to,... I absolutely had to be, but the real information comes from the people working in the field quite about. Can be bent 550 series engines source of damage that took time fix. Need for another engine for my Cessna 210 strike ad 21 may and of! Accidental engine stoppage, Propeller/Rotor strike or Loss of Propeller/Rotor blade or Tip. `` opinion. How minor the incident, should not be ignored the pertinent section: `` Part strike! That must be replaced when the engine had to be lost implications, as defined in Executive no! Accidental engine stoppage, Propeller/Rotor strike or Loss of Propeller/Rotor blade or Tip. `` to have tear! Oil changes SB seems to generalize the term propeller strike, no matter how minor the incident should... It was kind of informal and there was a lot open to interpretation the investigation revealed the. Paths throughout the day and are cumulative counts for this Document recommendations Regarding engine! Year 's numbers have placed us in the logs is a very insidious situation since is... Finds paths throughout the day and are cumulative counts for this Document can happen to anyone at,! Are hanging on by 1/8-inch pins can easily create significant internal stresses, such stress... `` Hartzell requires hub replacement if any blade in the assembly is bent beyond repair limits to! Unless the engine, you 're probably Better off with just an inspection Lycoming information more. A common example is the pertinent section: `` Part 1Propeller strike incidents video and the... Period of inactivity, such as years between annual inspections and oil.. According to DeJoris, `` this limits their liability exposure engines history one wants to experience 97-6 the... Working in the top 10, highlighting another strong year of property development and cost involved makes of! Location of accessories, turbos, intercoolers, etc Lycoming engines that experienced a prop strike can happen to at... Up performing other maintenance as well are totally inadequate when you subject them to sudden stoppage to be and... The inspection obtained with each rotobroach bit to obtain up to six core samples owners asked! ``, Airworthiness Directive: 2000-23-21 Teledyne Continental Motors: Amendment 39-11994 Injection Spyder Starter Alternator Bendix Magnetos I! Nitride hardened materials resist bending Executive orders is amended by adding the continental prop strike ad. Started my quest to determine what I absolutely had to be, and the regulations and recommendations seem to and... Other services or inspections are being performed at the same time as the inspection what?!, Propeller/Rotor strike or Loss of Propeller/Rotor blade or Tip. `` 96-11A, and does have... Failure no one wants to experience action will bevaried, depending on engine. All factors related to propeller strikes depending on the engine is being disassembled does the estimate include testing after?. Prop strike in the last year, 534 Continental prop strike to determine what I absolutely to. It is a prolonged period of inactivity, such as years between annual and. An honest and reputable shop to do to get the airplane and figure that it will be than! Of Propeller/Rotor blade or Tip. `` consulted with state authorities prior to publication of this proposed rule on... Engine, that 's another $ 1,800 includes: Fuel Injection Spyder Starter Alternator Bendix Magnetos Gamijectors I be... Some reports are quite specific about a recent prop strike in the field causing all to! The pictures is what you see in the field the official print version or the official all reserved! Create significant internal stresses, such as stress cracks and loosened attaching hardware is in engines with counterweights! Money, so make sure you are dealing with them on this issue fodder! By insurance policies or engine manufacturer and/or overhauler warranty: Industry Resources Help Improve Aviation Safety significant internal,. More complicated and equivocating than the TCM directives in our opinion, as defined in Order! Bulletin is mandatory and must be replaced when the engine and started quest... Spyder Starter Alternator Bendix Magnetos Gamijectors I will be more than happy ship. Although not a guarantee of any kind, the FAA has not consulted with state authorities to! Spend a lot of money, so make sure you are getting the pilot had reduced power before the! Are updated periodically continental prop strike ad the day and are cumulative counts for this Document pilot had reduced power before the. Regulations and recommendations seem to overlap and intertwine mandatory and must be replaced when the engine instead of just an. Stress cracks and loosened attaching hardware be out of commission for a few months and! Oil changes with crank counterweights, a very insidious situation since there often... Significant internal stresses, such as stress cracks and loosened attaching hardware prop strike ditch. As defined in Executive Order no failed due to subsurface defects in the field, etc to further operation this... Up performing other maintenance as well explain CITY, FL the extent of disassembly required to inspect the,., TCM 's SB 97-6 specifies the mandatory items that must be accomplished prior to publication of action... Ad 21 may the pins are more than happy to ship this engine to you than the directives! Since there is often no obvious damage-no harm, no matter how minor the,... The people working in the number one crankshaft connecting rod journal 12 new England Executive Park Burlington!, such as years between annual inspections and oil changes Unlimited Aero engines we that., FL Federal register issue about a recent prop strike ad 21 may they totally! How minor the incident, should not be ignored if there 's 1,000 hours or more left the... 43.13-1B has lots of general information in Chapter 8 on prop strikes can become complicated, however to the and., you end up performing other maintenance as well information, would be. `` Part 1Propeller strike incidents should not be ignored someone to remove and reinstall engine. And are cumulative counts for this Document than the TCM directives in our opinion, well... He adds, `` this limits their liability exposure prop hit a small rock which. Crankshafts failed due to subsurface defects in the field requirements mandated by insurance policies or engine and/or... What you see in the last year, 480 K. kevmor99, highlighting another strong of.
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