# NTSB ANC74AA042: Piper PA-32, N4236T, Port Heiden, AK, October 30, 1973

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: October 30, 1973
- Place: Port Heiden, AK · PORT HEIDEN, AK
- Location: 56.9326° N, 158.6250° W: Placed by OpenAirDocs: center of Port Heiden, AK, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=56.9326&lon=-158.6250&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report December 19, 1973
- Report: Brief approved by the director
- NTSB case key (mKey): 188221
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC74AA042
- Page: https://openairdocs.org/ntsb/ANC74AA042

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3298  73/10/30 NR.PORT HEIDEN,ALAS   PIPER PA-32         CR-  0  0  1  COMMERCIAL                ATP,FLIGHT INSTR., AGE
        TIME - 1600                    N4236T              PX-  0  0  0  COMMUTER AIR CARRIER      33, 7000 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0  AIR TAXI-CARGO S-D        1500 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          PERRYVILLE,ALAS            PORT HEIDEN,ALAS
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           GEAR COLLAPSED                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           POWERPLANT - IGNITION SYSTEM: MAGNETOS
           MISCELLANEOUS ACTS,CONDITIONS - EXCESSIVE-WEAR/PLAY
           MISCELLANEOUS ACTS,CONDITIONS - JAMMED
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE MAINTENANCE AND INSPECTION
           TERRAIN - ROUGH/UNEVEN
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- MAG IMPULSE COUPLER FLY WTS FAILED,JAMMED MAG DRIVE GR. LND ON TUNDRA.
```

## Aircraft

- Registration: [N4236T](https://openairdocs.org/deregistered/N4236T-1976-12-28), registration cancelled 1976-12-28, S/N 32-7240049, built 1971 (OpenAirDocs)
- Reported make and model: PIPER PA-32
- Registry model: [Piper PA-32-300](https://openairdocs.org/model/piper-pa-32-300) (registry code 7103212) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage

## FAA reports on this event (1)

The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs).

- [Accident 19731030042959A](https://openairdocs.org/incident/19731030042959A), Oct 30, 1973: Piper PA32300, Port Heiden, AK, Substantial damage. Mag impulse coupler fly wts failed,jammed mag drive gr. Lnd on tundra.

## Other investigations on N4236T (2)

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 ANC76AA143](https://openairdocs.org/ntsb/ANC76AA143), Sep 24, 1976: Piper PA-32 (N4236T), King Salmon, AK, substantial damage
- [NTSB ANC75AA088](https://openairdocs.org/ntsb/ANC75AA088), Jun 3, 1975: Piper PA-32 (N4236T), Pilot Point, AK, 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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