# NTSB IAD75FLQ18: Hughes 369HS, N9114F, Mt Sterling, KY, March 10, 1975

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: March 10, 1975
- Place: Mt Sterling, KY · MT STERLING, KY
- Location: 38.0655° N, 83.9488° W: Placed by OpenAirDocs: center of Mount Sterling, KY, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=38.0655&lon=-83.9488&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 3 uninjured
- Status: Completed, report May 6, 1975
- Report: Brief approved by the director
- NTSB case key (mKey): 148243
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=IAD75FLQ18
- Page: https://openairdocs.org/ntsb/IAD75FLQ18

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0700  75/3/10    MT STERLING,KY      HUGHES 369HS        CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 44, 1212
        TIME - 1230                    N9114F              PX-  0  0  2  BUSINESS                  TOTAL HOURS, 291 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          CHARLESTON,WV               LONDON,KY
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           ROLL OVER                                                LANDING: POWER-OFF AUTOROTATIVE LANDING
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO FOLLOW APPROVED PROCEDURES,DIRECTIVES,ETC.
           PILOT IN COMMAND - INITIATED FLIGHT IN ADVERSE WEATHER CONDITIONS
           TERRAIN - ROUGH/UNEVEN
        FACTOR(S)
           WEATHER - SNOW
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          OVERCAST                                                  1500
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          3 MILES OR LESS                                          SNOW SHOWERS
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TYPE OF WEATHER CONDITIONS
          BLOWING SNOW                                             VFR
        TYPE OF FLIGHT PLAN
          NONE
        REMARKS- FLT MANUAL PROHIBITS FLT IN FALLING SNOW.LNDD ON HWY MEDIAN STRIP.
```

## Aircraft

- Registration: [N9114F](https://openairdocs.org/deregistered/N9114F-2019-10-02), registration cancelled 2019-10-02, S/N 520386S, built 1972 (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 250HP](https://openairdocs.org/engine/allison-250-ser-250hp) (registry code 03002, 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 19750310006049A](https://openairdocs.org/incident/19750310006049A), Mar 10, 1975: Hughes 369HS, Mt Sterling, KY, Substantial damage. Flt manual prohibits flt in falling snow. Lndd on hwy median strip.

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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