FTW96LA299

NTSB accident investigation · Bell 206B · Matagorda, TX · July 11, 1996

Accident · No injuriesLimited investigationFinal report
Date
July 11, 1996, 06:42 local (11:42 UTC)
Place
Matagorda, TX
Injuries
1 uninjured
Damage
Substantial damage
Phase of flight
Enroute
Aircraft
N1082NBell 206B
Weather
Visual (VMC) · Day
Status
Completed · report September 19, 1996
Report
Approved by Office Director
FAA report
19960711016639A
Case key
19904

From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.

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Probable cause

The loss of engine power due to fuel system contamination. A factor relating to the accident was: the lack of suitable terrain for an emergency landing.

Sequence of events

NTSB’s coding before 2008: each occurrence and phase of flight, and the causes and factors under it. The codes are defined in NTSB’s coding manual.

Loss of engine power(total) - nonmechanicalCruise
Fuel system,filter - contamination,waterCause
Fuel system,filter - contamination,other than waterCause
Forced landingEmergency descent/landing
Autorotation - performedPilot in command
In flight collision with terrain/waterEmergency landing
Terrain condition - none suitableFactor
Terrain condition - high vegetationFactor

Analysis

The pilot reported that he flew the helicopter to a refueling facility and refueled. Shortly after takeoff, while en route to pick up passengers, the engine began to lose power. The pilot elected to make a precautionary landing; however, the engine lost total power about 50 to 75 feet above the ground. An autorotation was made to an area of bushes. Examination of the fuel system revealed that the airframe fuel filter was contaminated with water and a green material. The engine driven fuel pump filter was also contaminated, and the fuel control screen contained some foreign material. Samples of fuel were collected from fuel facilities that had been used on the day of the accident and the day before the accident. However, no relevant contamination was found.

Factual narrative

On July 11, 1996, at 0642 central daylight time, a Bell 206B helicopter, N1082N, registered to and operated by Horizon Helicopters, Inc., as a 14 CFR Part 91 positioning flight, was substantially damaged during a forced landing near Matagorda, Texas. Visual meteorological conditions prevailed, and a company flight plan was filed. The commercial pilot was not injured. The flight was originating from Matagorda at the time of the accident.

The pilot reported to the FAA inspector and in the Pilot/Operator Report that he flew the helicopter to the fueling facility and fueled the helicopter with 50 gallons of Jet A. Shortly after takeoff, while en route to pick up passengers, the engine began to lose power. While executing a precautionary landing, at about 50-75 feet AGL, the engine lost total power. An autorotation was initiated to an area of bushes that were three to four feet in height. The helicopter landed hard, and the main rotor severed the tailboom forward of the horizontal stabilizer.

Examination of the helicopter by the FAA inspector revealed that the airframe fuel filter was contaminated with water and a green material. The engine driven fuel pump filter was also contaminated, and the fuel control screen had some foreign material in it.

Fuel samples were taken at the fueling facility where the helicopter had just fueled. The sample taken at the fueling nozzle contained no contamination. The sample taken at the sump revealed only minor foreign material. Fuel samples were also taken at all fueling facilities the helicopter was fueled at the day prior to the accident. There was no contamination found.

The pilot reported to the FAA inspector that he had taken a fuel sample during his preflight of the helicopter, and no contamination was found.

Aircraft

Registration
N1082N
Reported as
Bell 206B
Category
Helicopter
Serial number
2945
Airframe hours
11,060
Engine
Allison 250-C20B, 417 horsepower, turbo shaft
Damage
Substantial damage
Flight
Positioning · Part 91
Registered owner
Horizon Helicopter, Inc.
Airworthiness certificate
Standard, Normal
Last inspection
100 hour · June 29, 1996 · 38 hours before
Departed
02TA
Flight plan
Company VFR

Flight crew

As NTSB recorded them. NTSB leaves out names.

Role
Pilot
Age
51
Certificate
Commercial
Airplane ratings
Single-engine land
Instrument ratings
Helicopter, Airplane
Medical
Class 2, Valid Medical--no waivers/lim.
Seat
Right
Flight hours
7,944 total · 1,400 in this make and model · 6,404 as pilot in command · 77 in the last 90 days · 77 in the last 30 days · 3 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
170° at 6 knots
Visibility
7 statute miles
Lowest ceiling
25,000 ft broken
Temperature
81 °F, dew point 75 °F
Altimeter
29.00 inHg
Observed at
PSX, 16 nm away

FAA reports on this event · 1

The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.