SEA75FTI27

NTSB accident investigation · Piper PA-22 · Lolo, MT · April 30, 1975

Accident · Serious injuriesClosed
Date
April 30, 1975
Place
Lolo, MT · LOLO, MT
Injuries
1 serious
Damage
Substantial damage
Phase of flight
Enroute
Aircraft
N9201DPiper PA-22
Status
Completed · report July 22, 1975
Report
Brief approved by the director
FAA report
19750430010539A
Case key
149330

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
----------------------------------------------------------------------------------------------------------------------------
3-1611  75/4/30    LOLO,MT             PIPER PA-22         CR-  0  1  0  NONCOMMERCIAL             STUDENT, AGE 35, 54 TOTAL
        TIME - 1930                    N9201D              PX-  0  0  0  PRACTICE                  HOURS, 12 IN TYPE, NOT
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          MISSOULA,MT                 LOCAL
        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
           TERRAIN - ROUGH/UNEVEN
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- VALVE IN NR 4 CYL FAILED. LND IN PLOWED FLD.

Aircraft

Registration
N9201D
Reported as
Piper PA-22
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.

FAA reports on this event · 1

The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.