MIA83FA183

NTSB accident investigation · Kaman H-43B · Near Clermont, FL · July 14, 1983

Accident · Serious injuriesField investigationFinal report
Date
July 14, 1983, 07:44 local (11:44 UTC)
Place
Near Clermont, FL
Injuries
1 serious
Damage
Destroyed
Phase of flight
Maneuvering
Aircraft
N57996Kaman H-43B
Weather
Visual (VMC) · Day
Status
Completed
Report
Approved by Office Director
FAA report
19830714031459A
Case key
30796

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/malfunctionHover
Rotor system - separationCause
Rotor drive system,main gearbox/transmission - separationCause
Loss of control - in flightHover
In flight collision with terrain/waterDescent - uncontrolled

Analysis

The helicopter crashed in an uncontrolled descent from a hover. A witness stated that the helicopter was slowing descending to position a 150 ft line for the ground crew when he observed something separate and the helicopter came down in a vertical descent. Investigation showed that the transmission and rotor assemblies separated in flt. The enginecontinued to operate after the crash and had to be shut down. The pilot sustained a head injury and does not recall the accident.

Aircraft

Registration
N57996
Reported as
Kaman H-43B
Category
Helicopter
Serial number
60-251
Airframe hours
4,600
Engine
Lycoming T-5311B, 900 horsepower, turbo shaft
Damage
Destroyed
Flight
Other work use · Part 133
Operator
Herbert M. Baker
Registered owner
United Service, Inc.
Airworthiness certificate
Special, Restricted (Special)
Departed
Loughman, FL

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
53
Certificate
Airline transport
Airplane ratings
Single-engine land, Multi-engine land
Instrument ratings
Airplane, Helicopter
Medical
Class 2, Valid Medical--no waivers/lim.
Seat
Left
Flight hours
15,000 total · 1,000 in this make and model · 1 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
230° at 3 knots
Visibility
4 statute miles
Lowest ceiling
25,000 ft broken
Temperature
75 °F, dew point 72 °F
Altimeter
30.00 inHg
Observed at
MC0, 25 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.