# NTSB OAK66D0113: Piper PA-18, N5756Y, Grizzly Is, CA, October 16, 1965

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: October 16, 1965
- Place: Grizzly Is, CA · GRIZZLY IS, CA
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report November 23, 1965
- Report: Brief approved by the director
- NTSB case key (mKey): 175786
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=OAK66D0113
- Page: https://openairdocs.org/ntsb/OAK66D0113

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2985  65/10/16   GRIZZLY IS CALIF    PIPER PA-18         CR-  0  0  1  NONCOMMERCIAL             COMMERCIAL, FL.INSTR.,
        TIME - 1600                    N5756Y              PX-  0  0  1  PLEASURE/PERSONAL TRANSP  AGE 28, 630 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            22 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           NOSE OVER/DOWN                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - SELECTED UNSUITABLE TERRAIN
           TERRAIN - WET,SOFT GROUND
        REMARKS- OFF AIRPORT OPERATION ON DIRT ROAD
```

## Aircraft

- Registration: [N5756Y](https://openairdocs.org/aircraft/N5756Y), registered now, S/N 18-8325 (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 N5756Y (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 LAX05LA315](https://openairdocs.org/ntsb/LAX05LA315), Sep 23, 2005: Piper PA-18-150 (N5756Y), Fall River Mill, CA, substantial damage. Probable cause: the pilot's inadequate compensation for the crosswind condition and failure to maintain runway alignment during landing.

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.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.