FTW89LA106

NTSB accident investigation · Bell 206L · Abbeville, LA · June 2, 1989

Accident · No injuriesLimited investigationFinal report
Date
June 2, 1989, 07:00 local (12:00 UTC)
Place
Abbeville, LA
Injuries
1 uninjured
Damage
Substantial damage
Phase of flight
Approach
Aircraft
N992PTBell 206L
Weather
Visual (VMC) · Day
Status
Completed · report June 10, 1991
Report
Approved by Office Director
FAA report
19890602014279A
Case key
22874

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

Partial loss of engine power for an undetermined reason. Factors related to the accident were: person(s) in the intended emergency landing area and soft terrain where the helicopter touched down.

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 powerApproach
Reason for occurrence undeterminedCause
Forced landingDescent - emergency
Autorotation
In flight collision with terrain/waterLanding
Object - other personFactor
Maneuver - performedPilot in command
Run on landing - performedPilot in command
Terrain condition - softFactor

Analysis

According to the plt, there was a variation in eng pwr as he apchd the destn, as well as a low rotor RPM indcn. He said he elected to make an autorotation onto a twy, but he notice someone in the intended landing area. Subsequently, he maneuvered to land in a grassy area, but during a run-on landing, the helicopter encountered soft terrain & rocked forward. As the helicopter rocked forward, the main rotor blades struck the tail boom, severing the tail rotor assembly. During an operational check, the eng ran normally. No reason was found for the reported variation of eng power & low RPM.

Aircraft

Registration
N992PT
Reported as
Bell 206L
Category
Helicopter
Serial number
45716
Airframe hours
4,487
Engine
Allison 250-C28B, 435 horsepower, turbo shaft
Damage
Substantial damage
Flight
Business · Part 91
Operator
Taylor Energy Vthe
Registered owner
Taylor Energy Company
Last inspection
100 hour · May 11, 1989 · 68 hours before
Departed
LAF · Lafayette, LA
Airport
OR3 · Abbeville Muni

Flight crew

As NTSB recorded them. NTSB leaves out names.

Role
Pilot
Age
30
Certificate
Airline transport
Airplane ratings
Single-engine sea, Multi-engine land, Single-engine land
Instrument ratings
Airplane, Helicopter
Medical
Class 1, Valid Medical--no waivers/lim.
Seat
Right
Flight hours
8,000 total · 700 in this make and model · 7,000 as pilot in command · 240 in the last 90 days · 80 in the last 30 days · 9 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
Calm
Visibility
10 statute miles
Lowest ceiling
2,000 ft broken
Temperature
75 °F, dew point -0 °F

FAA reports on this event · 1

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