MIA89LA202

NTSB accident investigation · Bell TH-13T · Jay, FL · July 20, 1989

Accident · No injuriesLimited investigationFinal report
Date
July 19, 1989, 20:12 local (Jul 20, 1989, 01:12 UTC)
Place
Jay, FL
Injuries
1 uninjured
Damage
Substantial damage
Phase of flight
Maneuvering
Aircraft
N65212Bell TH-13T
Weather
Visual (VMC) · Dusk
Status
Completed · report June 18, 1990
Report
Approved by Office Director
FAA report
19890719023759A
Case key
32465

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

Inadequate planning/decision by the pilot and his failure to maintain clearance from the power line. Contributing factors were: light conditions at dusk, transmission (power) lines, and the pilot's lack of visual cues (visual perception) at dusk.

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 objectManeuvering - aerial application
Planning/decision - improperPilot in commandCause
Light condition - duskFactor
Visual lookout - inadequate
Visual/aural perceptionPilot in commandFactor
Object - wire,transmissionFactor
Clearance - not maintainedPilot in commandCause
In flight collision with terrain/waterDescent - uncontrolled

Analysis

During an aerial application flight at dusk, the helicopter collided with a power line as the pilot was making a swath run. After hitting the power line, the helicopter rolled left, entered a descent & crashed.

Aircraft

Registration
N65212
Reported as
Bell TH-13T
Category
Helicopter
Serial number
3613
Engine
Lycoming O-425-A1F, 265 horsepower, reciprocating
Damage
Substantial damage
Flight
Aerial application · Part 137
Operator
Stewart, Michael
Registered owner
Michael C Stewart
Airworthiness certificate
Special, Restricted (Special)

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
26
Certificate
Commercial
Medical
Class 2, Valid Medical--no waivers/lim.
Seat
Left
Flight hours
1,200 total · 1,200 in this make and model · 1,159 as pilot in command · 350 in the last 90 days · 150 in the last 30 days · 4 in the last 24 hours

Weather

Conditions
Visual (VMC) · Dusk
Wind
220° at 10 knots
Visibility
7 statute miles
Lowest ceiling
25,000 ft broken
Temperature
82 °F, dew point 75 °F
Altimeter
29.00 inHg
Observed at
PNS, 30 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.