# NTSB DEN81FTM07: Aerospatle SA316B, N10364, Coalville, UT, January 22, 1981

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: January 22, 1981
- Place: Coalville, UT · COALVILLE, UT
- Location: 40.9074° N, 111.4212° W: Placed by OpenAirDocs: center of Coalville, UT, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=40.9074&lon=-111.4212&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report May 26, 1981
- Report: Brief approved by the director
- NTSB case key (mKey): 127042
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN81FTM07
- Page: https://openairdocs.org/ntsb/DEN81FTM07

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0796  81/1/22  NR.COALVILLE,UT       AEROSPATLE SA316B   CR-  0  0  1  COMMERCIAL                AIRLINE TRANSPORT, AGE
        TIME - 1635                    N10364              PX-  0  0  0  AIR TAXI-CARGO            36, 4633 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            1297 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          COALVILLE,UT                LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: FENCE,FENCEPOSTS                          LANDING: POWER-ON LANDING
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - MISJUDGED CLEARANCE
        FACTOR(S)
           PILOT IN COMMAND - ATTEMPTED OPERATION W/KNOWN DEFICIENCIES IN EQUIPMENT
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE MAINTENANCE AND INSPECTION
           ROTORCRAFT - ROTOR ASSEMBLIES: BEARINGS
           MISCELLANEOUS ACTS,CONDITIONS - EXCESSIVE-WEAR/PLAY
        REMARKS- ENCTRD PREV NOTED DIR CTL PRBLM,LNDG 4FT FM FENCE.T/R STACK BRG,PN 3160-30-060-01,MINOR NOTCHING.
```

## Aircraft

- Registration: [N10364](https://openairdocs.org/deregistered/N10364-2007-06-12), registration cancelled 2007-06-12, S/N 1773, built 1971 (OpenAirDocs)
- Reported make and model: AEROSPATLE SA316B
- Registry model: [Aerospatiale SA316B ALOUETTE III](https://openairdocs.org/model/aerospatiale-sa316b-alouette-iii) (registry code 8680515) (OpenAirDocs)
- Registry engine: [Turbomeca ARTOUSTEIIIB](https://openairdocs.org/engine/turbomeca-artousteiiib) (registry code 60003, turbo-shaft) (OpenAirDocs)
- Category: Helicopter
- Engines: turbo shaft
- 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 19810122001389A](https://openairdocs.org/incident/19810122001389A), Jan 22, 1981: Aerosp SA316B, Coalville, UT, Substantial damage. Lost tail rotor control on landing hover. Hit wires and fence. Found tail rotor stack bearing failure.

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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