# NTSB ANC68D0099: Piper PA-18, N5988Z, Shismaref, AK, March 3, 1968

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: March 3, 1968
- Place: Shismaref, AK · SHISMAREF, AK
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report April 2, 1968
- Report: Brief approved by the director
- NTSB case key (mKey): 111988
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC68D0099
- Page: https://openairdocs.org/ntsb/ANC68D0099

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0470   68/3/3    SHISMAREF,ALAS      PIPER PA-18         CR-  0  0  1  NONCOMMERCIAL             COMMERCIAL, AGE 45, 12500
        TIME - 1300                    N5988Z              PX-  0  0  1  BUSINESS                  TOTAL HOURS, 7000 IN
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: SNOWBANK                                  LANDING: ROLL
           GEAR COLLAPSED                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - SELECTED UNSUITABLE TERRAIN
        FACTOR(S)
           TERRAIN - ICY
           MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE
        REMARKS- PILOT LANDED ON SEA ICE.
```

## Aircraft

- Registration: [N5988Z](https://openairdocs.org/aircraft/N5988Z), registered now, S/N 18-8223, built 1965 (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 N5988Z (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 ANC67D0059](https://openairdocs.org/ntsb/ANC67D0059), Oct 22, 1966: Piper PA-18 (N5988Z), Aleknagik, AK, 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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