# NTSB SEA80FAMS4: Piper PA-24, N21170, Missing Aircraft, August 31, 1980

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: August 31, 1980
- Place: Missing Aircraft · MISSING AIRCRAFT, UN
- Phase of flight: [Unknown](https://openairdocs.org/ntsb-phases/990) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 1 fatal
- Status: Completed, report September 19, 1980
- Report: Brief approved by the director
- NTSB case key (mKey): 128762
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA80FAMS4
- Page: https://openairdocs.org/ntsb/SEA80FAMS4

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1850  80/8/31    MISSING AIRCRAFT    PIPER PA-24         CR-  1  0  0  NONCOMMERCIAL             PRIVATE, AGE 31, 160
        TIME - UNK/NR                  N21170              PX-  0  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 100 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION         LAST ENROUTE STOP
          BOISE,ID                    RETURN                       MCCALL,ID
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           MISSING AIRCRAFT,NOT RECOVERED                           UNKNOWN/NOT REPORTED
        PROBABLE CAUSE(S)
           MISCELLANEOUS - UNDETERMINED
        REMARKS- AIRCRAFT DAMAGE AND INJURY INDEX PRESUMED.
```

## Aircraft

- Registration: [N21170](https://openairdocs.org/deregistered/N21170-2018-01-16), registration cancelled 2018-01-16, S/N 28-7916029, built 1978 (OpenAirDocs)
- Reported make and model: PIPER PA-24
- Registry model: [Piper PA-28-161](https://openairdocs.org/model/piper-pa-28-161) (registry code 7102803) (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: Destroyed

## Other investigations on N21170 (3)

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 SEA93LA215](https://openairdocs.org/ntsb/SEA93LA215), Oct 1, 1993: Piper PA-28-161 (N21170), Tooele, UT, substantial damage. Probable cause: THE PILOT IN COMMAND'S FAILURE TO MAINTAIN DIRECTIONAL CONTROL. A FACTOR CONTRIBUTING TO THE ACCIDENT WAS THE FENCE.
- [NTSB DEN89LA171](https://openairdocs.org/ntsb/DEN89LA171), Jul 15, 1989: Piper PA-28-161 (N21170), Alpine, WY, substantial damage. Probable cause: PILOT'S DECISION TO LAND AT AN UNLIGHTED AIRPORT AT NIGHT. THE AIRCRAFT LANDED LONG AND OVERRAN THE RUNWAY.
- [NTSB SEA81IA001](https://openairdocs.org/ntsb/SEA81IA001), Oct 5, 1980: Piper PA-28 (N21170), Elk City, ID, incident, minor 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.