# NTSB ANC77FA040: Piper PA-32, N105TA, Ruby, AK, April 21, 1977

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: April 21, 1977
- Place: Ruby, AK · RUBY, AK
- Location: 64.7233° N, 155.5005° W: Placed by OpenAirDocs: center of Ruby, AK, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=64.7233&lon=-155.5005&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 3 uninjured
- Status: Completed, report May 3, 1978
- Report: Brief approved by the director
- NTSB case key (mKey): 152433
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC77FA040
- Page: https://openairdocs.org/ntsb/ANC77FA040

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-4201  77/4/21  NR.RUBY,AK            PIPER PA-32         CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 36, 2500
        TIME - 1145                    N105TA              PX-  0  0  2  COMMUTER AIR CARRIER      TOTAL HOURS, 1150 IN
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0  AIR TAXI-PASSG S-D        TYPE, INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          RUBY,AK                     FAIRBANKS,AK
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           COLLISION WITH GROUND/WATER: CONTROLLED                  LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           POWERPLANT - IGNITION SYSTEM: MAGNETOS
           MISCELLANEOUS ACTS,CONDITIONS - EXCESSIVE-WEAR/PLAY
        FACTOR(S)
           TERRAIN - SNOW-COVERED
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- IMPULSE COUPLING FAILED.FORCED LDG IN DEEP SNOW.
```

## Aircraft

- Registration: [N105TA](https://openairdocs.org/deregistered/N105TA-2020-05-29), registration cancelled 2020-05-29, S/N 32-7440128, built 1974 (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)
- Registry engine: [Lycoming TI0-540 series](https://openairdocs.org/engine/lycoming-ti0-540-series) (registry code 41533, turbo-prop) (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 19770421041699A](https://openairdocs.org/incident/19770421041699A), Apr 21, 1977: Piper PA32300, Ruby, AK, Substantial damage. Impulse coupling failed. Forced ldg in deep snow.

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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