MKC84LA205

NTSB accident investigation · Hiller H-23D · Neelyville, MO · July 9, 1984

Accident · No injuriesLimited investigationFinal report
Date
July 9, 1984, 07:00 local (12:00 UTC)
Place
Neelyville, MO
Injuries
1 uninjured
Damage
Destroyed
Phase of flight
Initial climb
Aircraft
N48313Hiller H-23D
Weather
Visual (VMC) · Day
Status
Completed
Report
Approved by Office Director
FAA report
19840709030809A
Case key
33735

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

On this page

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.

Airframe/component/system failure/malfunctionTakeoff - initial climb
Miscellaneous - undeterminedCause
Rotor rpm - not maintainedPilot in commandFactor
Rotor rpm - not possiblePilot in commandFactor
Forced landingDescent - emergency
Roll overLanding - flare/touchdown

Analysis

The acft rolled over during an emergency landing. The plt claimed that the rotor disengaged at about 30 ft AGL during takeoff. After the accident the upper half of the yoke control was found fractured. A lab report stated that no materialdefects were related to the failure. A visual inspection of the clutch assembly did not indicate any reason to suspect it of failure.

Aircraft

Registration
N48313
Reported as
Hiller H-23D
Category
Helicopter
Serial number
1213
Airframe hours
7,355
Engine
Lycoming VO-540, 305 horsepower, reciprocating
Damage
Destroyed
Flight
Aerial application · Part 137
Registered owner
Johnny C. Atwell Sr.
Airworthiness certificate
Special, Restricted (Special)
Last inspection
Annual · June 3, 1984 · 53 hours before
Departed
Neelyville, MO

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
44
Certificate
Commercial
Airplane ratings
Single-engine land
Medical
Class 2, Valid Medical--no waivers/lim.
Seat
Center
Flight hours
1,637 total · 1,366 in this make and model · 104 in the last 90 days · 3 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
235° at 2 knots
Visibility
15 statute miles
Lowest ceiling
None
Temperature
72 °F, dew point 64 °F

FAA reports on this event · 1

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

Other investigations on N48313 · 2

Matched to the same aircraft by N-number and date.