Bell 47G-5A accident near Houma, Louisiana, June 21, 1984
On June 21, 1984 at about 9:15 pm local time, a Bell 47G-5A (helicopter), registered N14807, was substantially damaged in an accident near Houma, Louisiana. It was an aerial observation flight under general aviation rules (Part 91). 2 people had minor injuries. The weather was visual conditions (good weather).
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The NTSB's probable cause their words, unchanged
The NTSB has not yet published a probable cause for this accident. Investigations usually take one to two years; this page updates when the final report is released.
Source: NTSB aviation accident database, copy made October 4, 2026. Docket and reports at the NTSB.
What the record shows
- Date
- June 21, 1984 · about 9:15 pm local time
- Place
- Houma, Louisiana
- Type
- Accident
- Injuries
- 2 people had minor injuries.
- Weather
- visual conditions (good weather)
- Aircraft
- Bell 47G-5A · all 47G-5As on the register
- Registration
- N14807 · registry record · serial 2505A
- Damage
- Substantial damage
- Flight
- Aerial observation flight · general aviation rules (Part 91)
The NTSB's narrative final · quoted from the NTSB record
THE HELICOPTER AUTOROTATED INTO TREES AND MARSH LAND AFTER A PARTIAL LOSS OF POWER. THE ACFT WAS ON A PIPELINE PATROL ATLOW ALT AT THE TIME OF THE POWER LOSS. EXAMINATION OF THE ENGINE AFTER THE ACCIDENT REVEALED THAT THE FUEL CONTROL GOVERNOR SPRING, P/N 2529242, HAD BROKEN DRIVING THE FUEL CONTROL TO IDLE.
The complete narrative as the NTSB published it. The NTSB's docket holds the report as a PDF and any photographs, statements and other documents from the investigation.
The factual record from the NTSB's investigation tables, in plain English
Pilot
- Certificate: commercial pilot
- Ratings: single-engine land; rotorcraft: helicopter
- Flight time: 13,600 hours in all; 4,550 in this make and model; 194 in the last 90 days; 13,600 as pilot in command
- Medical certificate: Class 2 (valid medical--no waivers/lim.)
- Seat: left
The aircraft
- Airframe total time: 6,323 hours
- Last inspection: 100-hour inspection; 37 hours since
- Maximum gross weight: 2,850 lb
- Seats: 2
- Landing gear: fixed
- Engine: Allison 250-C20B (turboshaft); 0 hours total
The flight
- Departed from: Houma LA
- Flight plan: none
- Runway 0
Weather at the time
- Light: daylight
- Wind: from 270° at 7 knots
- Sky: broken clouds at 4,000 ft; not recorded at 4,000 ft
- Temperature: 88°F (31°C), dew point 0°F (-18°C)
- Altimeter: 30.00 inHg
- Observation at 9:45 pm from HUM, 2 miles away
Injuries
| Fatal | Serious | Minor | None | |
|---|---|---|---|---|
| Crew | 1 | |||
| Passengers | 1 |
About this page
Everything above comes from the NTSB's public accident database: the narrative, probable cause and findings are the NTSB's own words, and the coded tables behind its report (pilot, aircraft, flight, weather, injuries, sequence of events) are written out in plain English. Pilots' ages, home towns and medical details are left out on purpose. The docket at the NTSB holds the report as a PDF and the investigation's photographs and documents. This site never names pilots, passengers or anyone else involved. A preliminary report describes what is known soon after the event and can change; the final report, with the probable cause, usually follows one to two years later and this page is refreshed when it does. Case number FTW84LA282.