# NTSB SEA79FTI11: Hiller Acft UH-12E, N87893, St Joe Nat Fst, ID, March 31, 1979

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: March 31, 1979
- Place: St Joe Nat Fst, ID · ST JOE NAT FST, ID
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 3 uninjured
- Status: Completed, report May 2, 1979
- Report: Brief approved by the director
- NTSB case key (mKey): 137405
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA79FTI11
- Page: https://openairdocs.org/ntsb/SEA79FTI11

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0466  79/3/31    ST JOE NAT FST,ID   HILLER ACFT UH-12E  CR-  0  0  1  NONCOMMERCIAL             COMMERCIAL, AGE 43, 1105
        TIME - 1400                    N87893              PX-  0  0  2  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 730 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          KINGSTON,ID                 LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: TREES                                     IN FLIGHT: OTHER
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO MAINTAIN ADEQUATE ROTOR R.P.M.
           PILOT IN COMMAND - IMPROPER OPERATION OF FLIGHT CONTROLS
        FACTOR(S)
           TERRAIN - HIGH OBSTRUCTIONS
        REMARKS- NO ENG MALFUNCTION FOUND.
```

## Aircraft

- Registration: N87893 (not matched to a registry record)
- Reported make and model: HILLER ACFT UH-12E
- Category: Helicopter
- 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 19790331005389A](https://openairdocs.org/incident/19790331005389A), Mar 31, 1979: Frchld 125FRCHLD, St Regis, MT, Substantial damage. Pilot struck trees during attempted climb over mountain ridge.

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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