# NTSB ANC70DAA13: Piper PA-18, N3991Z, Fairbanks, AK, June 1, 1970

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: June 1, 1970
- Place: Fairbanks, AK · FAIRBANKS, AK
- Location: 64.8378° N, 147.7164° W: Placed by OpenAirDocs: center of Fairbanks, AK, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=64.8378&lon=-147.7164&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor, 1 uninjured
- Status: Completed, report March 15, 1971
- Report: Brief approved by the director
- NTSB case key (mKey): 123581
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC70DAA13
- Page: https://openairdocs.org/ntsb/ANC70DAA13

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2311   70/6/1  NR.FAIRBANKS,ALAS     PIPER PA-18         CR-  0  0  1  NONCOMMERCIAL             ATP,FLIGHT INSTR., AGE
        TIME - 1900                    N3991Z              PX-  0  0  1  PLEASURE/PERSONAL TRANSP  30, 3042 TOTAL HOURS, 99
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            IN TYPE, INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION
         FAIRBANKS,ALAS               WOOD RIVER,ALAS
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: OBJECT                                    LANDING: ROLL
           GEAR COLLAPSED                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - SELECTED UNSUITABLE TERRAIN
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE
           TERRAIN - OTHER
        REMARKS- LND ON RIVER SANDBAR. STRUCK ROCKS.
```

## Aircraft

- Registration: [N3991Z](https://openairdocs.org/aircraft/N3991Z), registered now, S/N 18-7936, built 1963 (OpenAirDocs)
- Reported make and model: PIPER PA-18
- Registry model: [Piper PA-18-150](https://openairdocs.org/model/piper-pa-18-150) (registry code 7101828) (OpenAirDocs)
- Registry engine: [Lycoming 0-320 series](https://openairdocs.org/engine/lycoming-0-320-series) (registry code 41508, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage

## Other investigations on N3991Z (2)

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 ANC95LA174](https://openairdocs.org/ntsb/ANC95LA174), Sep 12, 1995: Piper PA-18-150 (N3991Z), Big Delta, AK, substantial damage. Probable cause: The pilot's selection of an unsuitable step taxi/takeoff area. The submerged object was a related factor.
- [NTSB ANC70A0030](https://openairdocs.org/ntsb/ANC70A0030), Oct 6, 1969: Piper PA-18 (N3991Z), Fairbanks, AK, minor damage, 1 fatal

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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