MIA92LA042

NTSB accident investigation · Bell 206L-3 · Charlotte, NC · December 12, 1991

Accident · No injuriesLimited investigationFinal report
Date
December 11, 1991, 21:45 local (Dec 12, 1991, 02:45 UTC)
Place
Charlotte, NC
Injuries
3 uninjured
Damage
Substantial damage
Phase of flight
Maneuvering
Aircraft
N206CMBell 206L-3
Weather
Visual (VMC) · Night/dark
Status
Completed · report April 27, 1993
Report
Approved by Office Director
FAA report
19911211055659A
Case key
33041

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 pilot in commands failure to maintain tailrotor ground clearance while hovering resulting in the tail striking the ground and the subsequent separation of the tailrotor and gearbox.

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 terrain/waterHover
Terrain condition - soft
Cyclic - improper use ofPilot in commandCause
Clearance - not maintainedPilot in commandCause
Rotor drive system,tail rotor gearbox(90 deg) - separation
Loss of control - in flightHover
Directional control - not possiblePilot in command
Hard landingDescent

Analysis

Plt failed to maintain tail boom stinger ground clearance while hovering to land. During an aft movement the stinger contacted the ground. Tailrotor and gearbox separated and plt lost directional control. A hard landing was made. Post crash examination of the helicopter revealed no evidence of mechanical failure or malfunction.

Aircraft

Registration
N206CM
Reported as
Bell 206L-3
Category
Helicopter
Serial number
51006
Airframe hours
4,250
Engine
Allison 250-C30P, 435 horsepower, turbo shaft
Damage
Substantial damage
Flight
Part 91
Operator
Omni Flight Helicopters Inc.
Registered owner
Textron Financial Corporation
Airworthiness certificate
Standard, Normal
Last inspection
AAIP · January 2, 2000
Airport
CLT · Douglas Municipal

Flight crew

As NTSB recorded them. NTSB leaves out names.

Role
Pilot
Age
42
Certificate
Commercial
Instrument ratings
Helicopter
Medical
Class 1, Valid Medical--no waivers/lim.
Seat
Right
Flight hours
4,500 total · 1,000 in this make and model · 3,500 as pilot in command · 55 in the last 90 days · 20 in the last 30 days · 1 in the last 24 hours

Weather

Conditions
Visual (VMC) · Night/dark
Wind
Calm
Visibility
10 statute miles
Lowest ceiling
None
Temperature
48 °F, dew point 39 °F
Altimeter
30.00 inHg
Observed at
CLT, 1 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.