- Date
- August 30, 1966
- Place
- Ottumwa, IA · OTTUMWA, IA
- Injuries
- 4 uninjured
- Damage
- Substantial damage
- Phase of flight
- Enroute
- Aircraft
- N1081BMooney M20A
- Status
- Completed · report December 30, 1966
- Report
- Brief approved by the director
- Case key
- 120779
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 ---------------------------------------------------------------------------------------------------------------------------- 3-3244 66/8/30 OTTUMWA IOWA MOONEY M20A CR- 0 0 1 NONCOMMERCIAL PRIVATE, AGE 38, 706 TIME - 1150 N1081B PX- 0 0 3 PLEASURE/PERSONAL TRANSP TOTAL HOURS, 68 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 HARD LANDING LANDING: LEVEL OFF/TOUCHDOWN PROBABLE CAUSE(S) POWERPLANT - ENGINE STRUCTURE: VALVE ASSEMBLIES MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE MAINTENANCE AND INSPECTION FACTOR(S) MISCELLANEOUS ACTS,CONDITIONS - LACK OF LUBRICATION-SPECIFIC PART,NOT SYSTEM COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND REMARKS- EXHAUST VALVE NO.3 CYLINDER BROKEN.ROCKER BOX COVER LOOSE CAUSING LOSS OF OIL.
Aircraft
- Registration
- N1081B
- Reported as
- Mooney M20A
- Category
- Airplane
- Engine
- reciprocating
- Damage
- Substantial damage
N1081BRegistration cancelled Jul 1, 2011 · Mooney M20AAirframe modelMooney M20AEngine modelLycoming O&VO-360 series
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 N1081B · 1
Matched to the same aircraft by N-number and date.