# NTSB DEN81FTK17: Hiller Acft FH1100, N4258V, Sioux Falls, SD, July 31, 1981

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: July 31, 1981
- Place: Sioux Falls, SD · SIOUX FALLS, SD
- Location: 43.5500° N, 96.7003° W: Placed by OpenAirDocs: center of Sioux Falls, SD, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=43.5500&lon=-96.7003&mi=10
- Phase of flight: [Taxi](https://openairdocs.org/ntsb-phases/250) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report December 11, 1981
- Report: Brief approved by the director
- NTSB case key (mKey): 123906
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN81FTK17
- Page: https://openairdocs.org/ntsb/DEN81FTK17

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2483  81/7/31    SIOUX FALLS,SD      HILLER ACFT FH1100  CR-  0  0  1  INSTRUCTIONAL             AIRLINE TRANSPORT, AGE
        TIME - 1105                    N4258V              PX-  0  0  1  TRAINING                  31, 4759 TOTAL HOURS, 1
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - JOE FOSS FIELD
        DEPARTURE POINT             INTENDED DESTINATION
          SIOUX FALLS,SD              LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH GROUND/WATER: CONTROLLED                  TAXI: AERIAL TAXI, OTHER
           ROLL OVER                                                LANDING: POWER-OFF AUTOROTATIVE LANDING
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER OPERATION OF FLIGHT CONTROLS
           PILOT IN COMMAND - LACK OF FAMILIARITY WITH AIRCRAFT
        REMARKS- CREW CRASHED DURING SELF INSTRUCTIONAL FAMILIARIZATION FLT.
```

## Aircraft

- Registration: [N4258V](https://openairdocs.org/deregistered/N4258V-2012-11-29), registration cancelled 2012-11-29, S/N 60, built 1967 (OpenAirDocs)
- Reported make and model: HILLER ACFT FH1100
- Registry model: [Fairchild Hiller FH-1100](https://openairdocs.org/model/fairchild-hiller-fh-1100) (registry code 3376502) (OpenAirDocs)
- Registry engine: [Allison 250 SER 250HP](https://openairdocs.org/engine/allison-250-ser-250hp) (registry code 03002, turbo-shaft) (OpenAirDocs)
- Category: Helicopter
- Engines: turbo shaft
- Damage: Substantial damage
- Airport: Joe Foss Field

## 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 19810731046549A](https://openairdocs.org/incident/19810731046549A), Jul 31, 1981: Frchld FH1100, Sioux Falls, SD, Substantial damage. Practice to become familiar with new aircraft. Tail rotor struck ground on quick stop to hover. Rolled over.

## Other investigations on N4258V (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 SEA95LA023](https://openairdocs.org/ntsb/SEA95LA023), Nov 19, 1994: Fairchild Hiller FH-1100 (N4258V), Yamhill, OR, substantial damage. Probable cause: FAILURE OF THE PILOT TO MAINTAIN ADEQUATE ALTITUDE/CLEARANCE, WHILE MANEUVERING TO A HOVER, WHICH ALLOWED THE EXTERNAL LOAD CABLE/HOOK TO BECOME SNAGGED AND TO REBOUND INTO THE PATH OF THE MAIN ROTOR…

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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