- Date
- October 16, 1978
- Place
- Olney Springs, CO · OLNEY SPRINGS, CO
- Injuries
- 1 uninjured
- Damage
- Substantial damage
- Phase of flight
- Enroute
- Aircraft
- N3921PPiper PA-22
- Status
- Completed · report October 20, 1978
- Report
- Brief approved by the director
- FAA report
- 19781016028769A
- Case key
- 139005
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 ---------------------------------------------------------------------------------------------------------------------------- 3-2678 78/10/16 OLNEY SPRINGS,CO PIPER PA-22 CR- 0 0 1 NONCOMMERCIAL PRIVATE, AGE 38, 250 TIME - 1445 N3921P PX- 0 0 0 PLEASURE/PERSONAL TRANSP TOTAL HOURS, 140 IN TYPE, DAMAGE-SUBSTANTIAL OT- 0 0 0 NOT INSTRUMENT RATED. DEPARTURE POINT INTENDED DESTINATION HUGO,CO TRINIDAD,CO 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 FACTOR(S) TERRAIN - ROUGH/UNEVEN MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE PARTIAL POWER LOSS - PARTIAL LOSS OF POWER - 1 ENGINE EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND REMARKS- EXHAUST VALVE NO.4 CYLINDER FAILED.
Aircraft
- Registration
- N3921P
- Reported as
- Piper PA-22
- Category
- Airplane
- Engine
- reciprocating
- Damage
- Substantial damage
N3921PRegistered now · Piper PA-22-150Airframe modelPiper PA-22-150Engine modelLycoming 0-320 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.
FAA reports on this event · 1
The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.
Other investigations on N3921P · 2
Matched to the same aircraft by N-number and date.
NTSB DEN82DA027Accident · No injuriesFinal reportTrinidad, COThe pilot reported that the aircraft started to veer left as the tail came up during the takeoff roll. He corrected with rudder, but did not maintain directional control. As a ground loop developed, he noted there was insufficient airspeed to lift off and…NTSB DEN69D0078Accident · No injuriesClosedGreeley, CO