FTW85FA300

NTSB accident investigation · S.N.I.A.S. AS350D Astar · Houma, LA · July 29, 1985

Accident · FatalField investigationFinal report
Date
July 29, 1985, 17:01 local (22:01 UTC)
Place
Houma, LA
Injuries
1 fatal
Damage
Destroyed
Phase of flight
Initial climb
Aircraft
N3607CS.N.I.A.S. AS350D Astar
Weather
Visual (VMC) · Day
Status
Completed
Report
Approved by Office Director
FAA report
19850729040379A
Case key
21564

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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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.

In flight collision with objectTakeoff - initial climb
Object - guy wireFactor
Preflight planning/preparation - poorPilot in commandFactor
Self-induced pressurePilot in commandFactor
Terrain condition - high obstruction(s)Factor
Visual lookout - inadequatePilot in commandCause
Weather condition - rainFactor
Clearance - not maintainedPilot in commandCause
In flight collision with terrain/waterDescent - uncontrolled

Analysis

The plt landed at a microwave antenna tower and did not shut down the eng or deplane. An employee at the tower retrievedcargo from the helicopter (a small box of parts) and went back inside the tower building. Shortly thereafter, the plt apparently initiated his takeoff in a direction which would take the helicpoter underneath on of the tower guy wires. The main rotor blades contacted and separated one of the guy wires. The helicopter then descended to ground impact. The helicopter's skids were about 30 ft AGL when the main rotor contacted the wire. Investigation revealed that had the plt completed the accident flt he would have arrived home later than he intended.

Aircraft

Registration
N3607C
Reported as
S.N.I.A.S. AS350D Astar (AS350D AST)
Category
Helicopter
Serial number
1244
Airframe hours
4,252
Engine
Lycoming LTS-101-600A2, 531 horsepower, turbo shaft
Damage
Destroyed
Flight
Positioning · Part 91
Registered owner
Petroleum Helicopters, Inc
Airworthiness certificate
Standard, Normal
Last inspection
AAIP · July 25, 1985 · 16 hours before
Departed
Houma, LA
Destination
LFT · Lafayette, LA
Flight plan
Company VFR

Matched to the registry by N-number and the event date; the registry’s history has gaps, so older matches can be wrong. Compare the reported make and model.

Flight crew

As NTSB recorded them. NTSB leaves out names.

Role
Pilot
Age
32
Certificate
Commercial
Airplane ratings
Single-engine land
Instrument ratings
Helicopter
Medical
Class 2, Valid Medical--no waivers/lim.
Seat
Right
Toxicology
Performed
Flight hours
4,940 total · 1,407 in this make and model · 4,592 as pilot in command · 192 in the last 90 days · 7 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
230° at 4 knots
Visibility
7 statute miles
Lowest ceiling
10,000 ft broken
Temperature
-0 °F, dew point -0 °F
Altimeter
30.00 inHg
Observed at
HUM, 4 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.