ATL85FA067

NTSB accident investigation · Robinson R-22 Alpha · Huntsville, AL · December 25, 1984

Accident · FatalField investigationFinal report
Date
December 25, 1984, 16:05 local (22:05 UTC)
Place
Huntsville, AL
Injuries
2 fatal
Damage
Destroyed
Phase of flight
Maneuvering
Aircraft
N8475KRobinson R-22 Alpha
Weather
Visual (VMC) · Day
Status
Completed · report April 2, 1996
Report
Approved by Office Director
FAA report
19841225068339A
Case key
6586

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.

Loss of control - in flightManeuvering
Reason for occurrence undeterminedCause
Rotor system,main rotor - diverged
Airframe/component/system failure/malfunctionManeuvering
Fuselage,cabin - blade strike
In flight collision with terrain/waterDescent - uncontrolled

Analysis

A popping sound then a loud noise and a puff of smoke preceded the helicopter's fall to the ground, stated a 12 year old boy who said he saw the accident. Examination of the helicopter failed to disclose any trace of fire. However one main rotor blade contacted the left front of the cockpit and wrapped around under the helicopter. The wreckage was scattered over an area 300 x 700 ft. the passenger had about 65 hours of flight but no certificate and no known helicopter time. The PIC had previously had his commercial asel certificate revoked for giving flight instruction in a small airplane without having a CFI rating. The PIC had reapplied for and had been reissued his commercial certificate. He had since upgraded his certificate to an ATP for amel, commercial for asel, ases, ames and helicopter. He also had a CFI rating for asmel but not for helicopter. His flt experience could not be accurately determined because of conflicting data in airman records and pilot logs.

Aircraft

Registration
N8475K
Reported as
Robinson R-22 Alpha
Category
Helicopter
Serial number
391
Airframe hours
3,774
Engine
Lycoming O-320-B2C, 124 horsepower, reciprocating
Damage
Destroyed
Flight
Personal · Part 91
Registered owner
Executive Air, Inc.
Airworthiness certificate
Standard, Normal
Last inspection
100 hour · November 9, 1984 · 71 hours before
Departed
DCU · Decatur, AL

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
Certificates
Airline transport, Flight instructor, Commercial
Airplane ratings
Multi-engine sea, Multi-engine land, Single-engine land
Instrument ratings
Airplane, Helicopter
Medical
Class 1, Valid Medical--w/ waivers/lim
Seat
Right
Toxicology
Performed

Weather

Conditions
Visual (VMC) · Day
Wind
10° at 8 knots
Visibility
15 statute miles
Lowest ceiling
None
Temperature
36 °F, dew point 25 °F
Altimeter
30.00 inHg
Observed at
HSY, 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.