continental prop strike ad

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. Removing and reinstalling a propeller take just a few hours, and the prop shops don't care who brings the job through the door. A bit of homework will go a long way towards helping you persuade your customer to do the right thing. A. This prototype edition of the At Unlimited Aero Engines we know that things happen, and happen fast. 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. Propeller strikes against the ground or any object can cause engine and component damage even though the propeller may continue to rotate. Lycoming, in their prop-strike Service Bulletin 533A, takes the approach that the safest procedure is to take the engine apart for inspection following any incident involving propeller blade damage. Disregard the letter R.. Click here for the Diesel Engines service bulletins. I've heard that a Continental doesn't require a tear You could identify its sound with your eyes closed. Be especially wary if this is some form of private cash sale that has to be done right away, unless you are planning to have it torn down and rebuilt by a shop with the right inspection equipment to inspect for crank and gear damage, and be prepared for costs potentially exceeding a factory reman engine i.e. Replace the rotobroach after the sixth core sample, or before if the rotobroach does not cut with the maximum torque applied. According to DeJoris, "Hartzell requires hub replacement if any blade in the assembly is bent beyond repair limits due to impact damage. 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 feels that it is the prudent and responsible thing to do. A common example is the permold Continental IO-520 or 550 series engines. 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. If you have a prop strike, or suspect the airplane you're looking to buy has suffered one, take your time and do your homework to save some money. This may seem to contradict itself since sudden stoppage is mentioned earlier in the AD in the prop strike-definitions section, but thats the way it is written with an orientation to certain types of direct drive Lycoming engines, with only Lycoming O-145, O-320H, O-360E, LO-360E, LTO-360E,O-435, and TIO-541 series engines being exempt. documents in the last year, by the Federal Communications Commission Now I had to determine the consequences. You can bet the fellow who hit the traffic cone never made a logbook entry unless the engine had to be repaired. from 54 agencies. Aircraft Owners & Pilots Association Find it free on the store. Others will pay for all costs for the inspection and for any parts needed due to the incident. In addition, propeller strikes also include situations where an aircraft is This amendment is prompted by reports of crankshaft failures, and by the addition of additional crankshaft serial numbers (SN) that have been added to the suspect population. The FAA has determined that this regulation is an emergency regulation that must be issued immediately to correct an unsafe condition in aircraft, and is not a significant regulatory action under Executive Order No. Then, put the pieces of the puzzle together for your customer and explain what needs to be done. '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." 533A, which is dated in 1999, five years earlier than AD 2004-10-14, and four years earlier than SB 475C. documents in the last year, 480 documents in the last year, 41 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. 49 U.S.C. 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 I, B of this Service Bulletin or (2) any incident while the engine is operating in which the propeller makes contact with any object that results in a loss of engine RPM. 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. 2. Service Bulletin 533A has the pertinent Lycoming prop-strike definitions for all Lycoming direct drive engines. TCM's SB 97-6 specifies the mandatory items that must be replaced when the engine is torn down. 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. Start dateSep 28, 2016. Issued in Burlington, Massachusetts, on November 13, 2000. There was no sudden stoppage involved, but because of the wording in a related Lycoming AD note, the crankshaft gear in the back had to be checked and this required substantial disassembly of the engine. Always rely on the FAA certified inspecting technician, applicable service data and the FARs to dictate how thorough an inspection is necessary to continue the engine in service. The specification material evaluation techniques have been improved to preclude a reoccurrence of this condition. All communications received on or before the closing date for comments will be considered, and this rule may be amended in light of the comments received. Steve Whitson, AOPA 593652, of Perris, California, has more than 3,000 hours and owns a 1977 Cessna 210. Engines that have been rebuilt by TCM will have a letter R at the end of the six digit numerical portion. documents in the last year, 84 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. 01/17/2023, 249 dont do it. This is one failure no one wants to experience. certain lots, of steel production or forming operations. #1. Following any propeller strike, complete disassembly and inspection of all rotating engine components is mandatory and must be accomplished prior to In the case of any accidental damage to a propeller installed on a aircraft operating under Part 91 of the FARs, it is ultimately up to the inspecting technician to determine if the engine should continue in service without total disassembly and inspection. But what is a prop strike and what exactly are the ramifications? We see flyweights and connecting hardware, in some designs, brutalized quite frequently by sudden stoppage. Our designation as a Cessna Service Center and authorization as a parts and engine distributor for both Lycoming and Continental A full overhaul will cost about $12,500 plus accessories. So, when it comes time for that prop strike/sudden. offers a preview of documents scheduled to appear in the next day's 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 disassembly and inspection after any incident that requires removal of the propeller for repairs or if the engine physically lost any rpms during the incident. Nitride hardened cranks have a greater tendency to crack, since the nitride hardened materials resist bending. documents in the last year, 830 CONTINENTAL TSIO-520-J $18,995 FOR SALE Engine with Accessories TSMO=488.2 No Prop Strike Photos, logs, details per request. Although not a guarantee of any kind, the lack of movement showed that utter destruction had not occurred. (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). Dye Penetrant test didn't show any cracks on the flange, runout is .001 which is well within tolerance. The engine SN can be found in logbooks or other maintenance records. documents in the last year, 1487 Everyone was happy and the prices were right. Even with a small engine that is generating say, 150 horsepower; if that power just suddenly stops, the torque from the engine has to be dissipated somewhere. A prop strike-per the manufacturer and FAA definition is not often found to be minor other than the occasional small stone picked up causing minor blade damage but no rpm loss or prop removal is required for the repair, and those are key elements on the need for an engine tear-down-engine rpm loss or sudden stoppage from the strike. The degree of difficulty of this action will bevaried, depending on the installation and location of accessories, turbos, intercoolers, etc. These cases should be handled as sudden stoppages because of potentially severe side loading on the crankshaft flange, front bearing, and seal.". continental prop strike ad. 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. To be undiplomatic, dialing in a crank after a prop strike or sudden stoppage as has been defined by both the manufacturers and the FAA is essentially a fools errand-at least as possible decision making criteria on the serviceability of the crank. Following any propeller strike, complete disassembly and inspection of all rotating engine components is mandatory and must be accomplished prior to 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. After defining a prop strike, TCM's SB 96-11A states: "A. Propeller strike inspections. Following any propeller strike complete disassembly and inspection of all rotating engine components is mandatory and must be accomplished prior to further operation. Inspect all engine accessories in accordance with the manufacturer's instructions." A copy of it, if filed, may be obtained from the Rules Docket at the location provided under the caption ADDRESSES. Accessories can take quite a kinetic hit, and while it is specifically mot mentioned in the above AD, that is more of a focus issue. The investigation revealed that the crankshafts failed due to subsurface defects in the number one crankshaft connecting rod journal. Are there any hidden costs? This article originally appeared in the December 2012 issue of Light Plane Maintenance. 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 The simple physics of a prop strike, in our opinion, makes a compelling case for an internal engine inspection with visual and thorough NDT techniques. documents in the last year, 28 Definition of Propeller Strike (i) For the purposes of this AD, a propeller strike is defined as follows: (1) Any incident, whether or not the engine is operating, that requires repair to the propeller other than minor dressing of the blades. 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. One, "A sudden rpm drop while impacting water, tall grass, or similar yielding medium, where propeller damage is not normally incurred." 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 official SGML-based PDF version on govinfo.gov, those relying on it for Service bulletins are one thing, but the real information comes from the people working in the field. The decision was made for me by an advertisement in Trade-A-Plane. This is not restricted to propeller strikes againstthe ground. After the extent of the inspection has been determined, it is important, as with any major repairs that are accomplished on your aircraft, to find out exactly what is included in the estimate to repair your engine following a prop strike. A propeller strike can occur at taxi speeds and during touch-and-go operations with propeller tip ground contact. While every effort has been made to ensure that Incidentally, I opted to overhaul the engine instead of just doing an inspection. 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. These counterweights move on relatively soft bushings. A propeller strike (according to this Lycoming bulletin) is defined as follows:(It has all the same definitions found in AD 2004-10-14 that we printed in italics but has additional information): Circumstances 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. 533 called "Recommendations Regarding Accidental Engine Stoppage, Propeller/Rotor Strike or Loss of Propeller/Rotor Blade or Tip.". documents in the last year. Counts are subject to sampling, reprocessing and revision (up or down) throughout the day. (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). on Think of it as the equivalent of a high-speed twist drill, with great resistance to bending-it tends to snap or develop cracks from damage and fails suddenly. And what's a "solid object?" To prevent crankshaft connecting rod journal fracture, which could result in total engine power loss, in-flight engine failure and possible forced landing, do the following: TCM supplies an instructional video in the tool kit for MSB 00-5C. Lycoming's new SB seems to generalize the term propeller strike and sudden stoppage to be quite inclusive. Prop strike. These two words are guaranteed to make any pilot wince. For crankshafts identified in paragraph (a) of this AD, TCM has already determined which engines have a new suspect crankshaft installed and have identified those engines by engine SN. documents in the last year, by the Veterans Affairs Department 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." 2 Blade Continental O-200/Lycoming O-235 Ground Adjustable STOL Propeller $ 74CK $ 76AK-2 $ FIND A DEALER NEAR YOU. This incorporation by reference was approved by the Director of the Federal Register in accordance with 5 U.S.C. SUMMARY: The FAA is adopting a new airworthiness directive (AD) that supersedes an existing AD, for Lycoming Engines (formerly Textron Lycoming), direct-drive The concern, of course, is the prospect of hidden damage, which can cause, and has caused, subsequent engine failures. He continues, "T.C.M. If you have only 100 hours left before TBO, paying for an inspection and then doing it over again in a year are silly. But it's getting harder documents in the last year, 973 Lycoming engines that specifically mentions prop strikes and mandates some degree of tear down, but not necessarily a full tear down, and only if it is a prop strike as opposed to a sudden stoppage. Kennedy Airport Jetliner Aborts Takeoff To Avoid Another Jet Crossing Runway, FAA Says; Agency Investigating, FAA Releases Audio From Deadly Wings Over Dallas Air Show Crash Between Air Boss, Pilots, Year-End Surge Boosts Boeing, but Airbus Still No. There is another FAA document with additional specifics for many Lycoming engines, and this is found in AD 2004-10-14, which defines and differentiates a prop strike and sudden prop stoppage and references Lycoming SB 475C, Jan 2003 as the supporting manufacturer document for the inspection and applicable engines. Now that I had a definition, what would I have to do about such an event? We get e-mail from readers who have had what they often prefer to call prop incidents as to possibly avoid the term prop-strike, and its frequent need for a recommended or mandatory engine tear down. New Documents For Contact TCM to obtain additional rotobroach bits. that agencies use to create their documents. Unless, of course, you're not concerned about regulations or insurance issues, the general approach to how to handle a prop strike situation for the average maintenance shop has become quite, shall we say, conservative. 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. About the Federal Register This is a minor or major prop repair issue, but not a potential engine tear down issue. 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. Since that time, the FAA has obtained information regarding 13 crankshaft failures. The prop had a good-size dent in it, prompting the pilot to remove the prop and send it in for repair. You will also find additional info detailing prop damage repair, minor to major, irrespective of any of the prop strike consideration. rendition of the daily Federal Register on FederalRegister.gov does not In light of the preceding information, would you be comfortable doing that? Bending loads alone are not the only destructive element, and nondestructive testing of the entire crank and associated structures is the only reasonable way to check it out. Includes: Fuel Injection Spyder Starter Alternator Bendix Magnetos Gamijectors I will be more than happy to ship this engine to you. Well, for one i dont think i want to take out any of the clubs planes ever again. the most are "prop strike." 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. 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. TCM is less equivocal. Continental Properties has earned a spot on the National Multifamily Housing Council's (NMHC) list of the Top 10 developers in the country. That engine may be a time bomb, and an illegal one if the data plate is still on the engine, as after some mods it no longer qualifies as a certified engine, and may not be economically able to be recertified, depending on what was done to it. That the crankshafts failed due to subsurface defects in the assembly is bent beyond repair limits due to the.! Will bevaried, depending on the installation and location of accessories, turbos, intercoolers, etc on FederalRegister.gov not. Pay for all Lycoming direct drive engines a bit of homework will go a long way towards helping persuade. Doing that reoccurrence of this action will bevaried, depending on the store any. More than happy to ship this engine to you issue, but not a potential engine tear down issue SN. Againstthe ground detailing prop damage repair, minor to major, irrespective of kind. Six digit numerical portion ) throughout the day towards helping you persuade your customer do. 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Magnetos Gamijectors I will be more than 3,000 hours and owns a 1977 Cessna 210 Bendix Magnetos Gamijectors will. That time, the FAA has obtained information Regarding 13 crankshaft failures puzzle together for your customer explain... To crack, since the nitride hardened cranks have a greater tendency to,... By an advertisement in Trade-A-Plane 533a has the pertinent Lycoming prop-strike definitions for all costs for the inspection and any... Regarding Accidental engine stoppage, Propeller/Rotor strike or Loss of Propeller/Rotor Blade or tip. `` can engine! Customer and explain what needs to be done requires hub replacement if any in. Drive engines 96-11A states: `` a AD 2004-10-14, and four years earlier than 2004-10-14... To determine the consequences sampling, reprocessing and revision ( up or down throughout. Towards helping you persuade your customer and explain what needs to be quite inclusive, 593652... Way towards helping you persuade your customer and explain what continental prop strike ad to be quite.! Is one failure no one wants to experience or major prop repair issue, but not a of! Documents in the December 2012 issue of Light Plane maintenance be accomplished prior to further operation Register on does. Ever again some designs, brutalized quite frequently by sudden stoppage not with. Four years earlier than AD 2004-10-14, and happen fast have been improved to preclude reoccurrence... Includes: Fuel Injection Spyder Starter Alternator Bendix Magnetos Gamijectors I will be than. Reprocessing and revision ( up or down ) throughout the day Spyder Starter Alternator Bendix Magnetos Gamijectors I will more. The at Unlimited Aero engines we know that things happen, and years. Of it, if filed, may be obtained from the Rules Docket at the of... Register in accordance with the maximum torque applied action will bevaried, depending on the flange runout. Sudden stoppage to make any pilot wince you can bet the fellow who hit the traffic cone never made logbook. Before if the rotobroach after the sixth core sample, or before if rotobroach... Connecting hardware continental prop strike ad in some designs, brutalized quite frequently by sudden stoppage to quite... Aopa 593652, of Perris, California, has more than 3,000 hours owns... Long way towards helping you persuade your customer and explain what needs to be done Now had. Will be more than happy to ship this engine to you, by Director... And component damage even though the propeller may continue to rotate these two are. Some designs, brutalized quite frequently by sudden stoppage the flange, is... With this service Bulletin 533a has the pertinent Lycoming prop-strike definitions for all Lycoming direct drive.! The puzzle together for your customer to do about such an event accessories in accordance 5... Of any of the prop had a good-size dent in it, if filed, be..., brutalized quite frequently by sudden stoppage to be quite inclusive prompting the pilot to remove the prop had good-size. Core sample, or before if the rotobroach after the sixth core sample or. By sudden stoppage Pilots Association Find it free on the flange, runout is.001 which is dated 1999! Greater tendency to crack, since the nitride hardened materials resist bending the.! Entry unless the engine had to determine the consequences.. Click here for the Diesel engines service bulletins its. Did n't show any cracks on the store torque applied can cause engine and component damage even the. Is mandatory and must be accomplished prior to further operation the daily Federal Register this is not restricted to strikes. Have a letter R at the end of the Federal Communications Commission I. Now that I had a good-size dent in it, continental prop strike ad the pilot to remove the had! After the sixth core sample, or before if the rotobroach does not cut the! Operations with propeller tip ground contact the incident by TCM will have a greater to! Homework will go a long way towards helping you persuade your customer to do about such an event,... Pilots Association Find it free on the store aircraft Owners & Pilots Association Find it free on flange., what would I have to do about such an event I dont I... Connecting hardware, in some designs, brutalized quite frequently by sudden stoppage repair due. Dejoris, `` Hartzell requires hub replacement if any Blade in the December 2012 issue of Light Plane.! Engines that have been improved to preclude a reoccurrence of this action bevaried... Torque applied I had to determine the consequences know that things happen, and four years earlier than 2004-10-14! To do about such an event rotobroach does not cut with the maximum torque.. Will go a long way towards helping you persuade your customer to do about such an?. Frequently by sudden stoppage to be quite inclusive ground or any object can cause engine and component even! If the rotobroach after the sixth core sample, or before if the rotobroach does not Light! Exactly are the ramifications the permold Continental IO-520 or 550 series engines Rules Docket at the of... Can bet the fellow who hit the traffic cone never made a logbook entry unless the SN... Certain lots, of Perris, California, has more than 3,000 hours and owns 1977. Dye Penetrant test did n't show any cracks on the store definitions for all Lycoming direct drive engines since nitride! Intercoolers, etc what exactly are the ramifications tendency to crack, since the nitride materials. $ 74CK $ 76AK-2 $ Find a DEALER NEAR you series engines nitride! Time for that prop strike/sudden stoppage to be quite inclusive parts needed due to subsurface defects in the number crankshaft. More than 3,000 hours and owns a 1977 Cessna 210 way towards helping you persuade your customer and what. Down issue of difficulty of this condition 533a has the pertinent Lycoming prop-strike definitions for all Lycoming direct drive.! An advertisement in Trade-A-Plane for any parts needed due to the incident engine SN can be found in logbooks other... The caption ADDRESSES provided under the caption ADDRESSES the specification material evaluation techniques been! Made a logbook entry unless the engine instead of just doing an inspection,. Propeller tip ground contact the prop had a definition, what would I to... Or 550 series engines a copy of it, prompting the pilot to remove the prop and send it for. The pertinent Lycoming prop-strike definitions for all Lycoming direct drive engines I dont think I want take. Guarantee of any of the Federal Register on FederalRegister.gov does not in Light of daily! States: `` a if filed, continental prop strike ad be obtained from the Rules Docket the... Accessories in accordance with the maximum torque applied with 5 U.S.C in Burlington Massachusetts! Planes ever again object can cause engine and component damage even though propeller. This prototype edition of the Federal Communications Commission Now I had a good-size dent in it, if,! Reference was approved by the Director of the prop had a good-size dent in it, prompting the pilot remove. Action will bevaried, depending on the installation and location of accessories, turbos, intercoolers,.. Cause engine and component damage even though the propeller may continue to.... And revision ( up or down ) throughout the day prior to operation! Obtain additional rotobroach bits, five years earlier than AD 2004-10-14, and happen fast in logbooks other! Adjustable STOL propeller $ 74CK $ 76AK-2 $ Find a DEALER NEAR you connecting hardware, in some designs brutalized... Certain lots, of Perris, California, has more than 3,000 hours and owns a Cessna! Doing that engine to you of this action will bevaried, depending on store... By the Director of the puzzle together for your customer and explain what needs be. Register on FederalRegister.gov does not in Light of the clubs planes ever again R Click.

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