Accident Cirrus SR22 N295AR,
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Date:Saturday 5 March 2016
Type:Silhouette image of generic SR22 model; specific model in this crash may look slightly different    
Cirrus SR22
Registration: N295AR
MSN: 0028
Year of manufacture:2001
Total airframe hrs:1543 hours
Engine model:Continental IO-550 SERIES
Fatalities:Fatalities: 0 / Occupants: 2
Other fatalities:0
Aircraft damage: Substantial
Location:SW Hauppauge, Long Island, NY -   United States of America
Phase: En route
Departure airport:Groton, CT (GON)
Destination airport:Farmingdale, NY (FRG)
Investigating agency: NTSB
Confidence Rating: Accident investigation report completed and information captured
The commercial pilot was conducting a personal cross-country flight. The pilot reported that, during cruise flight, the engine "sputtered" twice and then lost total power. He switched the fuel selector from the left tank to the right tank, but the engine would not restart, so he chose to activate the airframe parachute system. The parachute deployed normally, and the airplane touched down in a lawn adjacent to an industrial complex.

An examination of the engine revealed that the camshaft gear had numerous missing or smeared teeth, and metal particles were found inside the oil filter element and oil sump. Additional metallurgical examination revealed that the first fractured tooth, located about 180° from the timing mark, failed due to fatigue. Most of the remaining broken or missing teeth exhibited overload signatures. Camshaft gear hardness was measured, and it met the manufacturer's specifications.

In August 2005, the engine manufacturer issued a service bulletin (SB), which called for the replacement of the camshaft gear with an improved, wider gear design "at next engine overhaul or at camshaft gear replacement." The recommended overhaul time for this engine was 2,000 hours or 12 years, whichever occurred first. At the time of the accident, the engine was 15 years old, had accumulated 1,544 hours in service, and had never been overhauled. At the time of the accident, the SB had not been complied with and the improved camshaft gear had not been installed in the engine.

Probable Cause: The total loss of engine power, which resulted from the failure of the camshaft gear due to fatigue. Contributing to the accident was the owner/operator's failure to comply with the engine manufacturer's recommended overhaul interval.

Accident investigation:
Investigating agency: NTSB
Report number: ERA16LA124
Status: Investigation completed
Duration: 1 year and 9 months
Download report: Final report





Photo: FAA


Revision history:

05-Mar-2016 22:49 Geno Added
06-Mar-2016 14:40 RobertMB Updated [Narrative]
07-Mar-2016 09:27 BTD-1 Updated [Source]
07-Mar-2016 19:08 Geno Updated [Nature, Source, Damage, Narrative]
09-Mar-2016 12:20 Anon. Updated [Source, Embed code]
21-Dec-2016 19:30 ASN Update Bot Updated [Time, Damage, Category, Investigating agency]
16-Dec-2017 14:53 ASN Update Bot Updated [Operator, Departure airport, Destination airport, Source, Narrative]
16-Dec-2017 15:07 harro Updated [Narrative]
16-Dec-2017 15:09 harro Updated [Photo, ]

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