# NTSB ANC66D0047: Piper PA-18, N3573Z, Tyonek, AK, September 11, 1965

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: September 11, 1965
- Place: Tyonek, AK · TYONEK, AK
- Location: 61.0681° N, 151.1369° W: Placed by OpenAirDocs: center of Tyonek, AK, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=61.0681&lon=-151.1369&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report November 18, 1965
- Report: Brief approved by the director
- NTSB case key (mKey): 175719
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC66D0047
- Page: https://openairdocs.org/ntsb/ANC66D0047

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2923  65/9/11    TYONEK ALAS         PIPER PA-18         CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 29, 66 TOTAL
        TIME - 0900                    N3573Z              PX-  0  0  1  PLEASURE/PERSONAL TRANSP  HOURS, ALL IN TYPE, NOT
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           HARD LANDING                                             LANDING: LEVEL OFF/TOUCHDOWN
           GEAR COLLAPSED                                           LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER LEVEL OFF
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE
        REMARKS- OFF AIRPORT OPERATION
```

## Aircraft

- Registration: [N3573Z](https://openairdocs.org/aircraft/N3573Z), registered now, S/N 18-7359, built 1960 (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 N3573Z (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 ANC08CA108](https://openairdocs.org/ntsb/ANC08CA108), Aug 14, 2008: Piper PA-18-150 (N3573Z), Palmer, AK, substantial damage. Probable cause: The pilot's failure to maintain clearance from a tarp used as a marker at the departure end of the takeoff area.

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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