# NTSB DEN82FA106: Aerospatiale SA-315B, N47271, Dillon, MT, June 21, 1982

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Field investigation · Final report
- Date: June 21, 1982, 07:50 local (14:50 UTC)
- Place: Dillon, MT
- Coordinates: 45.049278, -112.819076 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=45.0493&lon=-112.8191&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 3 serious, 1 minor
- Status: Completed, report June 21, 1983
- Report: Approved by Office Director
- NTSB case key (mKey): 70480
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN82FA106
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/70480/pdf
- Page: https://openairdocs.org/ntsb/DEN82FA106

## Sequence of events

In NTSB's coding before 2008 (https://www.ntsb.gov/GILS/Documents/codman.pdf).

- In flight collision with terrain/water, maneuvering
  - in-flight planning/decision - poor, pilot in command (cause)
  - object - animal(s)
  - buzzing - continued, pilot in command (cause)
  - diverted attention, pilot in command (cause)
  - clearance - misjudged, pilot in command (cause)

## Analysis

THE PILOT MANEUVERED THE HELICOPTER CLOSE TO THE GROUND TO "SPOOK" AN ANTELOPE. AFTER A SERIES OF TURNS, THE AIRCRAFT TOUCHED DOWN ON BOTH SKIDS AND CONTINUED FORWARD 246 FT BEFORE STOPPING.

## Aircraft

- Registration: N47271 (not matched to a registry record)
- Reported make and model: AEROSPATIALE SA-315B
- Category: Helicopter
- Serial number: 2435
- Airframe hours: 3554
- Engines: TURBO MECA ARTOUSTE IIIB 562 lbs thrust turbo shaft
- Damage: Destroyed
- Flight: Part 135
- Operator: Hoskings Helicopter, Inc.
- Registered owner: Hoskings Helicopter, Inc.
- Departed: DILLON, MT
- Destination: DILLON, MT
- Flight plan: Unknown

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 34; commercial; airplane ratings: single-engine land; instrument ratings: airplane; medical: class 2, valid medical--no waivers/lim.; flight hours: 6,853 total, 207 in this make and model, 6,085 as pilot in command, 250 in the last 90 days, 5 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: calm
- Visibility: 40 statute miles
- Temperature: 140 °F

## 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 19820621023669A](https://openairdocs.org/incident/19820621023669A), Jun 21, 1982: Aerosp SA315B, Dillon, MT, Destroyed. Flew into ground while diving on an antelope.

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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