# NTSB SEA69F0121: Piper J3C-65, N41072, Chinook, MT, August 30, 1968

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: August 30, 1968
- Place: Chinook, MT · CHINOOK, MT
- Location: 48.5901° N, 109.2318° W: Placed by OpenAirDocs: center of Chinook, MT, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=48.5901&lon=-109.2318&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report January 6, 1969
- Report: Brief approved by the director
- NTSB case key (mKey): 108621
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA69F0121
- Page: https://openairdocs.org/ntsb/SEA69F0121

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3903  68/8/30    CHINOOK,MONT        PIPER J3C-65        CR-  0  0  1  INSTRUCTIONAL             STUDENT, AGE 40, 25 TOTAL
        TIME - 1900                    N41072              PX-  0  0  0  TRAINING                  HOURS, ALL IN TYPE, NOT
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        NAME OF AIRPORT - UNRUH RANCH
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           HARD LANDING                                             LANDING: LEVEL OFF/TOUCHDOWN
           GEAR COLLAPSED                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE MAINTENANCE AND INSPECTION
           MISCELLANEOUS ACTS,CONDITIONS - IMPROPERLY INSTALLED
           MISCELLANEOUS ACTS,CONDITIONS - MISSING
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE
        REMARKS- CONTROL STICK CAME LOOSE DURING LEVEL OFF.RETAINING PIN NOT INSTALLED.
```

## Aircraft

- Registration: [N41072](https://openairdocs.org/aircraft/N41072), registered now, S/N 7702 (OpenAirDocs)
- Reported make and model: PIPER J3C-65
- Registry model: [Piper J3C-65](https://openairdocs.org/model/piper-j3c-65) (registry code 7100510) (OpenAirDocs)
- Registry engine: [Continental A&C75 series](https://openairdocs.org/engine/continental-a-c75-series) (registry code 17005, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Unruh Ranch

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

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