# NTSB MKC90LA117: Bell 47G, N41SD, Wynne, AR, May 14, 1990

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Limited investigation · Final report
- Date: May 14, 1990, 17:00 local (22:00 UTC)
- Place: Wynne, AR
- Coordinates: 35.23035, -90.779228 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=35.2304&lon=-90.7792&mi=10
- Phase of flight: [Takeoff](https://openairdocs.org/ntsb-phases/300) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 1 serious
- Status: Completed, report September 28, 1992
- Report: Approved by Office Director
- NTSB case key (mKey): 34988
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC90LA117
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/34988/pdf
- Page: https://openairdocs.org/ntsb/MKC90LA117

## Probable cause

LANDING GEAR SKID ENTANGLED WITH A FUEL HOSE. A FACTOR WAS THE PILOT'S INADEQUATE PREFLIGHT INSPECTION.

## Sequence of events

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

- Roll over, takeoff
  - landing gear,skid assembly - entangled (cause)
  - preflight planning/preparation - inadequate, pilot in command (contributing factor)

## Analysis

WHILE BEING FLOWN OFF A TRAILER TO A MAINTENANCE LOCATION, THE HELICOPTER'S SKID ENTANGLED WITH A MISPLACED FUEL HOSE WHICH RESULTED IN A ROLL-OVER.

## Aircraft

- Registration: [N41SD](https://openairdocs.org/deregistered/N41SD-2012-11-19), registration cancelled 2012-11-19, S/N 1156, built 1953 (OpenAirDocs)
- Reported make and model: BELL 47G
- Registry model: [Bell-Versatile 47G](https://openairdocs.org/model/bell-versatile-47g) (registry code 118100V) (OpenAirDocs)
- Registry engine: [Franklin 6V 350 series](https://openairdocs.org/engine/franklin-6v-350-series) (registry code 27043, reciprocating) (OpenAirDocs)
- Category: Helicopter
- Serial number: 1156
- Engines: LYCOMING TVO-435 260 horsepower reciprocating
- Damage: Substantial damage
- Flight: Positioning, Part 91
- Registered owner: Propst Helicopters, Inc.
- Airworthiness certificate: Special, Restricted (Special)
- Departed: M65
- Airport: M65, Wynne

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 40; commercial; instrument ratings: helicopter; medical: class 1, valid medical--no waivers/lim.; seat: right; flight hours: 3,000 total

## Weather

- Conditions: Visual (VMC), Day

## 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 19900514018389A](https://openairdocs.org/incident/19900514018389A), May 14, 1990: Bell 47G2, Wynne, AR, Substantial damage. Helicopter rolled over on liftoff from trailer. Refueling hose misplaced over landing skid.

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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