# NTSB MKC78FER81: Hughes 369HS, N9199F, Sauk Centre, MN, July 28, 1978

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Closed
- Date: July 28, 1978
- Place: Sauk Centre, MN · SAUK CENTRE, MN
- Location: 45.7365° N, 94.9527° W: Placed by OpenAirDocs: center of Sauk Centre, MN, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=45.7365&lon=-94.9527&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 1 serious
- Status: Completed, report February 14, 1979
- Report: Brief approved by the director
- NTSB case key (mKey): 140342
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC78FER81
- Page: https://openairdocs.org/ntsb/MKC78FER81

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3817  78/7/28    SAUK CENTRE,MN      HUGHES 369HS        CR-  0  1  0  COMMERCIAL                COMMERCIAL, AGE 30, 5300
        TIME - 1930                    N9199F              PX-  0  0  0  CONSTRUCTION              TOTAL HOURS, 550 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          SAUK CENTRE,MN              LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: WIRES/POLES                               IN FLIGHT: OTHER
           COLLISION WITH GROUND/WATER: UNCONTROLLED                IN FLIGHT: UNCONTROLLED DESCENT
        PROBABLE CAUSE(S)
           MISCELLANEOUS - UNDETERMINED
         FIRE AFTER IMPACT
        REMARKS- DISCHARGING WORKMAN ATOP 140FT TWR.ROTOR BLADES STRUCK TOWER ARM,HELICOPTER FELL TO GROUND.
```

## Aircraft

- Registration: [N9199F](https://openairdocs.org/deregistered/N9199F-2009-09-18), registration cancelled 2009-09-18, S/N 1230545S, built 1973 (OpenAirDocs)
- Reported make and model: HUGHES 369HS
- Registry model: [Hughes 369HS](https://openairdocs.org/model/hughes-369hs) (registry code 4470728) (OpenAirDocs)
- Registry engine: [Allison 250 SER 400HP](https://openairdocs.org/engine/allison-250-ser-400hp) (registry code 03013, turbo-shaft) (OpenAirDocs)
- Category: Helicopter
- Engines: turbo shaft
- Damage: Destroyed

## 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 19780728039579A](https://openairdocs.org/incident/19780728039579A), Jul 28, 1978: Hughes 369HE, Sauk Centre, MN, Destroyed. Discharging workman atop 140FT twr. Rotor blades struck tower arm,copter fell to ground.

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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