- Date
- January 19, 1967
- Place
- San Mateo, CA · SAN MATEO, CA
- Injuries
- 2 fatal
- Damage
- Destroyed
- Phase of flight
- Enroute
- Aircraft
- N4925PPiper PA-23
- Status
- Completed · report June 6, 1967
- Report
- Brief approved by the director
- Case key
- 119161
From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.
On this page
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 ---------------------------------------------------------------------------------------------------------------------------- 2-0221 67/1/19 SAN MATEO CALIF PIPER PA-23 CR- 1 0 0 NONCOMMERCIAL PRIVATE, AGE 37, UNK/NR TIME - 0118 N4925P PX- 1 0 0 BUSINESS TOTAL HOURS, UNK/NR IN DAMAGE-DESTROYED OT- 0 0 0 TYPE, NOT INSTRUMENT RATED. NAME OF AIRPORT - SAN FRANCISCO TYPE OF ACCIDENT PHASE OF OPERATION ENGINE FAILURE OR MALFUNCTION IN FLIGHT: NORMAL CRUISE COLLISION WITH GROUND/WATER: UNCONTROLLED LANDING: FINAL APPROACH PROBABLE CAUSE(S) POWERPLANT - ENGINE STRUCTURE: PISTON,PISTON RINGS POWERPLANT - ENGINE STRUCTURE: VALVE ASSEMBLIES MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE PILOT IN COMMAND - ATTEMPTED OPERATION BEYOND EXPERIENCE/ABILITY LEVEL PILOT IN COMMAND - IMPROPER IFR OPERATION FACTOR(S) WEATHER - LOW CEILING WEATHER - FOG MISCELLANEOUS ACTS,CONDITIONS - AIRCRAFT CAME TO REST IN WATER COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE WEATHER BRIEFING - BRIEFED BY FLIGHT SERVICE PERSONNEL, BY RADIO WEATHER FORECAST - FORECAST SUBSTANTIALLY CORRECT EMERGENCY CIRCUMSTANCES - PRECAUTIONARY LANDING ON AIRPORT ADVERSE/UNFAVORABLE WEATHER SUSPECTED MECHANICAL DISCREPANCY SKY CONDITION CEILING AT ACCIDENT SITE OBSCURATION UNKNOWN/NOT REPORTED VISIBILITY AT ACCIDENT SITE PRECIPITATION AT ACCIDENT SITE 2 MILES OR LESS NONE OBSTRUCTIONS TO VISION AT ACCIDENT SITE TEMPERATURE-F GROUND FOG 41 WIND DIRECTION-DEGREES WIND VELOCITY-KNOTS 30 5 TYPE OF WEATHER CONDITIONS TYPE OF FLIGHT PLAN IFR IFR REMARKS- NO.2 PISTON AND EXHAUST VALVE, RT ENGINE, FAILED. NON-INST RATED PLT.
Aircraft
- Registration
- N4925P
- Reported as
- Piper PA-23
- Category
- Airplane
- Engine
- reciprocating
- Damage
- Destroyed
- Airport
- San Francisco
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.