# NTSB LAX86LA211: Bell 47G-5A, N2996W, Agana, May 6, 1986

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Limited investigation · Final report
- Date: May 6, 1986, 14:30 local (21:30 UTC)
- Place: Agana
- Phase of flight: [Takeoff](https://openairdocs.org/ntsb-phases/300) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 1 fatal, 1 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 25152
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX86LA211
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/25152/pdf
- Page: https://openairdocs.org/ntsb/LAX86LA211

## Sequence of events

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

- Loss of control - in flight, takeoff
  - misc eqpt/furnishings - not removed (cause)
  - aircraft preflight - improper, pilot in command (cause)
  - landing gear,skid assembly - movement restricted (cause)
  - aircraft handling - not possible
- In flight collision with terrain/water, takeoff
  - terrain condition - water,rough (contributing factor)

## Analysis

THE HELICOPTER CRASHED INTO THE OCEAN WHEN THE PLT ATTEMPTED TO LIFT OFF FROM A TUNA BOAT. REPORTEDLY, ONLY THREE OF THE FOUR TIEDOWN ROPES, WHICH HAD SECURED THE HELICOPTER TO THE BOAT, HAD BEEN RELEASED. THE PLT'S MEDICAL CERTIFICATE WAS DATED 1/18/84.

## Aircraft

- Registration: [N2996W](https://openairdocs.org/deregistered/N2996W-2013-07-18), registration cancelled 2013-07-18, S/N 25083, built 1972 (OpenAirDocs)
- Reported make and model: BELL 47G-5A
- Registry model: [Bell 47G-5A](https://openairdocs.org/model/bell-47g-5a) (registry code 1181034) (OpenAirDocs)
- Registry engine: [Lycoming VO-435 series](https://openairdocs.org/engine/lycoming-vo-435-series) (registry code 41525, reciprocating) (OpenAirDocs)
- Category: Helicopter
- Serial number: 25083
- Engines: LYCOMING VO-435-B1A 265 horsepower reciprocating
- Damage: Destroyed
- Flight: Part 91
- Registered owner: Big Eye Helicopters
- Airworthiness certificate: Standard, Normal

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 49; airline transport, private; airplane ratings: single-engine land; medical: class 2, expired; flight hours: 7,575 total, 3,327 in this make and model, 270 in the last 90 days, 8 in the last 24 hours

## 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 19860506076999A](https://openairdocs.org/incident/19860506076999A), May 6, 1986: Bell 47G5A, Agana, Guam, Destroyed, 1 fatal. Main rotor blades struck the ship as aircraft lifted off with a skid tiedown rope attached. Aircraft sank in ocean.

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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