# NTSB ANC77DA088: Hiller Acft 1100, Sparrevohn Afs, AK, September 11, 1977

- Type: NTSB accident investigation
- Date: September 11, 1977
- Place: Sparrevohn Afs, AK · SPARREVOHN AFS, AK
- Highest injury: No injuries
- Injuries: 3 uninjured
- Status: Completed
- Report: DirectorBrief, March 6, 1978
- NTSB case key (mKey): 144196
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC77DA088
- Page: https://openairdocs.org/ntsb/ANC77DA088

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-4102  77/9/11  NR.SPARREVOHN AFS,AK  HILLER ACFT 1100    CR-  0  0  1  COMMERCIAL                AIRLINE TRANSPORT, AGE
        TIME - 0840                    N5052F              PX-  0  0  2  AIR TAXI-PASSG            47, 12651 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            245 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          SPARREVOHN AFS,AK           LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH GROUND/WATER: CONTROLLED                  LANDING: POWER-ON LANDING
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER IN-FLIGHT DECISIONS OR PLANNING
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - POORLY PLANNED APPROACH
           WEATHER - DOWNDRAFT,UPDRAFTS
        WEATHER BRIEFING - NO RECORD OF BRIEFING RECEIVED
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          SCATTERED                                                UNLIMITED
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  WIND DIRECTION-DEGREES
          NONE                                                     150
        WIND VELOCITY-KNOTS                                      TYPE OF WEATHER CONDITIONS
           20                                                      VFR
        TYPE OF FLIGHT PLAN
          VFR
        REMARKS- FLOAT EQPTD.GSTS 30KT.TURB RSLTD IN UNUSAL ATTD AT TO LW AN ALTD TO ALLOW RECOVERY.
```

## Sequence of events

- Landing

## Aircraft

- Registration: N5052F, registered now (https://openairdocs.org/aircraft/N5052F) (OpenAirDocs)
- Reported make and model: HILLER ACFT 1100
- Registry model: Fairchild Hiller FH-1100 (registry code 3376502, https://openairdocs.org/model/fairchild-hiller-fh-1100) (OpenAirDocs)
- Registry engine: Allison 250 SER 250HP (registry code 03002, https://openairdocs.org/engine/allison-250-ser-250hp) (OpenAirDocs)
- Category: Helicopter
- Damage: Substantial damage

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

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From OpenAirDocs.org, an independent open copy of NTSB and FAA data. The NTSB's own report is the official record of an investigation.