- Date
- August 19, 1971
- Place
- Anchorage, AK · ANCHORAGE, AK
- Injuries
- 3 uninjured
- Damage
- Substantial damage
- Phase of flight
- Enroute
- Aircraft
- N5721HPiper PA-16
- Status
- Completed · report April 5, 1972
- Report
- Brief approved by the director
- Case key
- 163108
From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.
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NTSB brief
NTSB’s brief of the accident, as it was printed: the coded facts, with the probable cause and factors.
---------------------------------------------------------------------------------------------------------------------------- FILE DATE LOCATION AIRCRAFT DATA INJURIES FLIGHT PILOT DATA F S M/N PURPOSE ---------------------------------------------------------------------------------------------------------------------------- 3-3150 71/8/19 ANCHORAGE,ALAS PIPER PA-16 CR- 0 0 1 NONCOMMERCIAL PRIVATE, AGE 33, 130 TIME - 0456 N5721H PX- 0 0 2 PLEASURE/PERSONAL TRANSP TOTAL HOURS, 100 IN TYPE, DAMAGE-SUBSTANTIAL OT- 0 0 0 NOT INSTRUMENT RATED. DEPARTURE POINT INTENDED DESTINATION ANCHORAGE,ALAS HOMER,ALAS TYPE OF ACCIDENT PHASE OF OPERATION ENGINE FAILURE OR MALFUNCTION IN FLIGHT: NORMAL CRUISE NOSE OVER/DOWN LANDING: ROLL PROBABLE CAUSE(S) POWERPLANT - ENGINE STRUCTURE: VALVE ASSEMBLIES MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE TERRAIN - WET,SOFT GROUND PARTIAL POWER LOSS - PARTIAL LOSS OF POWER - 1 ENGINE EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND SMOKE IN COCKPIT PROP/ENGINE VIBRATION REMARKS- NR 3 CYL EXH VALVE HEAD SEPARATED FROM VALVE STEM.
Aircraft
- Registration
- N5721H
- Reported as
- Piper PA-16
- Category
- Airplane
- Engine
- reciprocating
- Damage
- Substantial damage
Matched to the registry by N-number and the event date; the registry’s history has gaps, so older matches can be wrong. Compare the reported make and model.
Other investigations on N5721H · 1
Matched to the same aircraft by N-number and date.