NTSB Identification: SEA68F0138
14 CFR Part 91 General Aviation
Aircraft: PIPER PA-22, registration: N3763P----------------------------------------------------------------------------------------------------------------------------
FILE DATE LOCATION AIRCRAFT DATA INJURIES FLIGHT PILOT DATA
F S M/N PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3903 67/9/27 HELENA,MONT PIPER PA-22 CR- 0 0 1 NONCOMMERCIAL PRIVATE, AGE 23, 189
TIME - 0850 N3763P PX- 0 0 3 PLEASURE/PERSONAL TRANSP TOTAL HOURS, 13 IN TYPE,
DAMAGE-SUBSTANTIAL OT- 0 0 0 NOT INSTRUMENT RATED.
NAME OF AIRPORT - HELENA
TYPE OF ACCIDENT PHASE OF OPERATION
ENGINE FAILURE OR MALFUNCTION IN FLIGHT: DESCENDING
GEAR COLLAPSED LANDING: ROLL
PROBABLE CAUSE(S)
POWERPLANT - ENGINE STRUCTURE: VALVE ASSEMBLIES
MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
FACTOR(S)
TERRAIN - ROUGH/UNEVEN
MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE
COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
REMARKS- NO.3 CYL EXHAUST VALVE FAILED.
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