# NTSB UNK64X1111: Piper PA20, N1555A, Portage, AK, March 30, 1964

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: March 30, 1964
- Place: Portage, AK · PORTAGE, AK
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 3 uninjured
- Status: Completed, report September 9, 1964
- Report: Brief approved by the director
- NTSB case key (mKey): 184558
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=UNK64X1111
- Page: https://openairdocs.org/ntsb/UNK64X1111

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0753  64/3/30    PORTAGE ALAS        PIPER PA20          CR-  0  0  1  MISCELLANEOUS             COMMERCIAL, AGE 29, 2900
        TIME - 1045                    N1555A              PX-  0  0  2  SEARCH AND RESCUE         TOTAL HOURS, 200 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GROUND-WATER LOOP-SWERVE                                 LANDING: ROLL
           GEAR COLLAPSED                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - SELECTED UNSUITABLE TERRAIN
          TERRAIN-EARTHQUAKE FISSURE.
```

## Aircraft

- Registration: [N1555A](https://openairdocs.org/deregistered/N1555A-2013-07-16), registration cancelled 2013-07-16, S/N 20-756, built 1951 (OpenAirDocs)
- Reported make and model: PIPER PA20
- Registry model: [Piper PA-20](https://openairdocs.org/model/piper-pa-20) (registry code 7102002) (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

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.