# NTSB SEA74AS002: Piper PA-22, N5017Z, Missing Aircraft, July 11, 1973

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: July 11, 1973
- Place: Missing Aircraft · MISSING AIRCRAFT, UN
- Phase of flight: [Unknown](https://openairdocs.org/ntsb-phases/990) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 2 fatal
- Status: Completed, report August 24, 1973
- Report: Brief approved by the director
- NTSB case key (mKey): 201645
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA74AS002
- Page: https://openairdocs.org/ntsb/SEA74AS002-201645

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1932  73/7/11    MISSING AIRCRAFT    PIPER PA-22         CR-  1  0  0  NONCOMMERCIAL             STUDENT, AGE UNK/NR, 40
        TIME - UNK/NR                  N5017Z              PX-  1  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, UNK/NR IN
                                       DAMAGE-DESTROYED    OT-  0  0  0                            TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          SEATTLE,WASH                LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           MISSING AIRCRAFT,NOT RECOVERED                           UNKNOWN/NOT REPORTED
        PROBABLE CAUSE(S)
           MISCELLANEOUS - UNDETERMINED
        REMARKS- ACFT DMG & INJ INDEX PRESUMED.
```

## Aircraft

- Registration: [N5017Z](https://openairdocs.org/deregistered/N5017Z-2012-08-10), registration cancelled 2012-08-10, S/N 22-8632, built 1961 (OpenAirDocs)
- Reported make and model: PIPER PA-22
- Registry model: [Piper PA-22-108](https://openairdocs.org/model/piper-pa-22-108) (registry code 7102204) (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 N5017Z (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 SEA68D0232](https://openairdocs.org/ntsb/SEA68D0232), Dec 3, 1967: Piper PA-22 (N5017Z), Oak Harbor, WA, 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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