# NTSB SEA66F0180: Piper PA-18A, N3688A, Huntley, MT, November 8, 1965

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: November 8, 1965
- Place: Huntley, MT · HUNTLEY, MT
- Location: 45.9001° N, 108.3044° W: Placed by OpenAirDocs: center of Huntley, MT, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=45.9001&lon=-108.3044&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor, 1 uninjured
- Status: Completed, report February 7, 1966
- Report: Brief approved by the director
- NTSB case key (mKey): 174239
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA66F0180
- Page: https://openairdocs.org/ntsb/SEA66F0180

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3685   65/11/8   HUNTLEY MONT        PIPER PA-18A        CR-  0  0  1  NONCOMMERCIAL             COMMERCIAL, AGE 24, 1200
        TIME - 1530                    N3688A              PX-  0  0  1  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 255 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - HUNTLEY
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            TAKEOFF: INITIAL CLIMB
           GEAR COLLAPSED                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           POWERPLANT - ENGINE STRUCTURE: CRANKSHAFT
           MISCELLANEOUS ACTS,CONDITIONS - OIL CONTAMINATION
           MISCELLANEOUS - FOREIGN MATERIAL AFFECTING NORMAL OPERATIONS
           MISCELLANEOUS - SABOTAGE
        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- OIL CONTAINED A LARGE AMOUNT OF SUGAR FROM AN UNDETERMINED SOURCE
```

## Aircraft

- Registration: [N3688A](https://openairdocs.org/aircraft/N3688A), registered now, S/N 18-3036, built 1953 (OpenAirDocs)
- Reported make and model: PIPER PA-18A
- Registry model: [Piper PA-18-135](https://openairdocs.org/model/piper-pa-18-135) (registry code 7101820) (OpenAirDocs)
- Registry engine: [Lycoming 0-290 series](https://openairdocs.org/engine/lycoming-0-290-series) (registry code 41506, 4 cycle) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Huntley

## Other investigations on N3688A (1)

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.

- [NTSB SEA66D0039](https://openairdocs.org/ntsb/SEA66D0039), May 19, 1965: Piper PA-18 (N3688A), Billings, MT, substantial damage

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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