- Date
- April 22, 1964
- Place
- Clovis, NM · CLOVIS, NM
- Injuries
- 1 uninjured
- Damage
- Substantial damage
- Phase of flight
- Enroute
- Aircraft
- N4987NNavion L17
- Status
- Completed · report August 19, 1964
- Report
- Brief approved by the director
- Case key
- 184355
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 ---------------------------------------------------------------------------------------------------------------------------- 3-0998 64/4/22 CLOVIS N MEX NAVION L17 CR- 0 0 1 NONCOMMERCIAL PRIVATE, AGE 39, 122 TIME - 1045 N4987N PX- 0 0 0 PLEASURE/PERSONAL TRANSP TOTAL HOURS, 37 IN TYPE, DAMAGE-SUBSTANTIAL OT- 0 0 0 NOT INSTRUMENT RATED. TYPE OF ACCIDENT PHASE OF OPERATION ENGINE FAILURE OR MALFUNCTION IN FLIGHT: NORMAL CRUISE GEAR COLLAPSED LANDING: ROLL PROBABLE CAUSE(S) POWERPLANT - ENGINE STRUCTURE: VALVE ASSEMBLIES MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: IMPROPER MAINTENANCE (OWNER PERSONNEL) TERRAIN - WET,SOFT GROUND COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND REMARKS- EXHAUST VALVE STEM NO2 CYLINDER FAILED
Aircraft
- Registration
- N4987N
- Reported as
- Navion L17
- Category
- Airplane
- Engine
- reciprocating
- Damage
- Substantial damage
N4987NRegistration cancelled Jan 21, 1971 · North American NAVION AAirframe modelNorth American NAVION A
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.