# NTSB ANC81FA043: Nihon YS-11A, N173RV, Sand Point, AK, April 18, 1981

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: April 18, 1981
- Place: Sand Point, AK · SAND POINT, AK
- Location: 55.3145° N, 160.4856° W: Placed by OpenAirDocs: center of Sand Point, AK, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=55.3145&lon=-160.4856&mi=10
- Phase of flight: [Approach](https://openairdocs.org/ntsb-phases/500) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 39 uninjured
- Status: Completed, report June 3, 1981
- Report: Brief approved by the director
- NTSB case key (mKey): 126612
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC81FA043
- Page: https://openairdocs.org/ntsb/ANC81FA043

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
1-0001  81/4/18    SAND POINT,AK       NIHON YS-11A        CR-  0  0  3  SCHED DOM PASSG SRV       AIRLINE TRANSPORT, AGE
        TIME - 1400                    N173RV              PX-  0  0 36                            42, 10000 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            4500 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - SAND POINT
        OPERATOR - REEVE ALEUTIAN AIRWAYS,INC.
        DEPARTURE POINT             INTENDED DESTINATION         LAST ENROUTE STOP
          ANCHORAGE,AK                COLD BAY,AK                  SAND POINT,AK
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           BIRD STRIKE                                              LANDING: FINAL APPROACH
           COLLIDED WITH: RUNWAY OR APPROACH LIGHTS                 LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           MISCELLANEOUS - BIRD COLLISION
           PILOT IN COMMAND - MISJUDGED DISTANCE AND ALTITUDE
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - WINDSHIELD,DIRTY,FOGGY,ETC.-RESTRICTED VISION
           AIRPORTS/AIRWAYS/FACILITIES - AIRPORT CONDITIONS: OTHER
        REMARKS- SEA GULL HIT WINDSHIELD ON SHORT FINAL RSTRG VISION.MAIN GEAR STRUCK EMBANKMENT AT END OF RWY.
```

## Aircraft

- Registration: [N173RV](https://openairdocs.org/deregistered/N173RV-2019-09-06), registration cancelled 2019-09-06, S/N 2173, built 1972 (OpenAirDocs)
- Reported make and model: NIHON YS-11A
- Registry model: [Nihon YS-11A-600](https://openairdocs.org/model/nihon-ys-11a-600) (registry code 6310420) (OpenAirDocs)
- Registry engine: [Rolls-Royce DART-542 series](https://openairdocs.org/engine/rolls-royce-dart-542-series) (registry code 54522, turbo-prop) (OpenAirDocs)
- Category: Airplane
- Engines: turbo prop
- Damage: Substantial damage
- Airport: Sand Point

## FAA reports on this event (1)

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

- [Incident 19810418034179I](https://openairdocs.org/incident/19810418034179I), Apr 18, 1981: Nihon YS11A600, Sand Point, AK, Substantial damage. Aircraft hit bird on final and landed short. Tore off landing gear.

## Other investigations on N173RV (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 ANC91IA046](https://openairdocs.org/ntsb/ANC91IA046), Mar 27, 1991: Nihon YS-11A-600 (N173RV), Anchorage, AK, incident, minor damage. Probable cause: A JAMMED NOSE GEAR DUE TO INCORRECT INSTALLATION OF THE SHEAR PIN. CONTRIBUTING TO THE ACCIDENT WAS THE INSUFFICIENTLY DEFINED MAINTENANCE PROCEDURE.

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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