FTW87DPJ09

NTSB accident investigation · G&C Helicopters EL Tomcat MK5A · Marlow, OK · September 23, 1987

Accident · Serious injuriesFinal report
Date
September 23, 1987, 13:30 local (18:30 UTC)
Place
Marlow, OK
Injuries
1 serious
Damage
Substantial damage
Phase of flight
Maneuvering
Aircraft
N17315G&C Helicopters EL Tomcat MK5A
Weather
Visual (VMC) · Day
Status
Completed · report August 31, 1988
Report
Approved by Office Director
FAA report
19870923055909A
Case key
22181

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.

In flight collision with objectManeuvering - aerial application
Object - tree(s)Factor
Visual lookout - inadequatePilot in commandCause
In flight collision with terrain/waterDescent - uncontrolled

Analysis

Pilot failed to see and avoid tree at end of swath run during a spraying operation. After contacting the tree, the helicopter started to spin and struck the ground in an approximate 90 degree right bank and started to burn.

Aircraft

Registration
N17315
Reported as
G&C Helicopters EL Tomcat MK5A (EL TOMCAT)
Category
Helicopter
Serial number
W-3
Airframe hours
2,460
Engine
Lycoming VO-435-A1E, 260 horsepower, reciprocating
Damage
Substantial damage
Fire
On-Ground
Flight
Aerial application · Part 137
Operator
G & C Helicopters,Inc.
Registered owner
G And C Helicopter, Inc.
Airworthiness certificate
Special, Restricted (Special)
Last inspection
Annual · January 23, 1987 · 60 hours before

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
61
Certificate
Commercial
Medical
Class 2, Valid Medical--w/ waivers/lim
Seat
Center
Flight hours
670 total · 20 in this make and model · 520 as pilot in command · 25 in the last 90 days · 20 in the last 30 days · 3 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
210° at 9 knots
Visibility
15 statute miles
Lowest ceiling
None
Temperature
73 °F, dew point 54 °F
Altimeter
30.00 inHg
Observed at
FSI, 12 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.