# NTSB FTW84LA316: Bell 206L-1, N2133L, High Isl Blk298, July 21, 1984

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Limited investigation · Final report
- Date: July 21, 1984, 13:15 local (18:15 UTC)
- Place: High Isl Blk298
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor, 3 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 21402
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=FTW84LA316
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/21402/pdf
- Page: https://openairdocs.org/ntsb/FTW84LA316

## Sequence of events

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

- In flight collision with object, landing - flare/touchdown
  - object - fence (contributing factor)
  - proper touchdown point - not attained, pilot in command (cause)
  - visual lookout - inadequate, pilot in command (cause)
- Ditching, landing - flare/touchdown
  - terrain condition - water,rough (contributing factor)
  - autorotation - attempted, pilot in command (contributing factor)

## Analysis

THE HELICOPTER SKID CONTACTED A NET FENCE AROUND THE LANDING PLATFORM ON AN OIL RIG. THE SAFETY NET BROKE AND THE ACFT ROCKED OVER THE SIDE OF THE PLATFORM. THE PLT ATTEMPTED TO AUTOROTATE INTO THE WATER. THE LANDING WAS HARD AND ONE FLOATSEPARATED. THE HELICOPTER ROLLED OVER AND LATER SANK IN 200 FT OF WATER.

## Aircraft

- Registration: [N2133L](https://openairdocs.org/deregistered/N2133L-1985-02-14), registration cancelled 1985-02-14, S/N 45633 (OpenAirDocs)
- Reported make and model: BELL 206L-1
- Registry model: [Bell Helicopter Textron 206L-1](https://openairdocs.org/model/bell-helicopter-textron-206l-1) (registry code 1182107) (OpenAirDocs)
- Category: Helicopter
- Serial number: 45633
- Airframe hours: 4150
- Engines: Detr. Diesel 250-C28 435 horsepower turbo shaft
- Damage: Substantial damage
- Flight: Part 135
- Registered owner: Petroleum Helicopters, Inc.
- Airworthiness certificate: Standard, Normal
- Last inspection: Continuous airworthiness, July 8, 1984, 58 hours before
- Departed: HIGH ISL BLK330, GM
- Destination: HIGH ISL BLK298, GM
- Flight plan: Company VFR

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 27; commercial; airplane ratings: single-engine land; medical: class 2, valid medical--w/ waivers/lim; seat: right; flight hours: 1,858 total, 671 in this make and model, 1,312 as pilot in command, 37 in the last 90 days, 7 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 70° at 12 knots
- Visibility: 7 statute miles
- Lowest ceiling: 1,500 ft broken
- Temperature: 82 °F, dew point 72 °F
- Altimeter: 30.00 inHg

## 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 19840721034179A](https://openairdocs.org/incident/19840721034179A), Jul 21, 1984: Bell 206L1, High Islnad 309, LA, Destroyed. During landing on offshore platform helicopter skids were off of platform causing helicopter to rock backwards.

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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