CHI90DET04

NTSB accident investigation · Continental Copters MK 5A Tomcat · Constantine, MI · July 27, 1990

Accident · Serious injuriesFinal report
Date
July 27, 1990, 08:08 local (12:08 UTC)
Place
Constantine, MI
Injuries
1 serious
Damage
Substantial damage
Phase of flight
Maneuvering
Aircraft
N1442ZContinental Copters MK 5A Tomcat
Weather
Visual (VMC) · Day
Status
Completed · report June 22, 1992
Report
Approved by Office Director
FAA report
19900727030569A
Case key
14494

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

The pilot's failure to see and avoid power lines in his area of operation.

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 - wire,transmission
Visual lookout - inadequatePilot in commandCause
In flight collision with terrain/waterManeuvering - aerial application

Analysis

During the first pass, west to east, the helicopter collided with power lines running NE to sw across the southeast corner of the field. It then continued approx. 180 ft and collided with another set of power lines. A witness indicated the pilot had made a survey pass of the field. Visibility was reported as 4 mi in haze.

Aircraft

Registration
N1442Z
Reported as
Continental Copters MK 5A Tomcat (MK 5A TOMC)
Category
Helicopter
Serial number
H176
Airframe hours
2,712
Engine
Lycoming VO-435-A1FHC, 260 horsepower, reciprocating
Damage
Substantial damage
Flight
Aerial application · Part 137
Registered owner
Davis Ag Air Inc.
Airworthiness certificate
Special, Restricted (Special)
Last inspection
Annual · November 14, 1989 · 88 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
41
Certificate
Commercial
Airplane ratings
Single-engine land, Multi-engine land
Instrument ratings
Airplane
Medical
Class 2, Valid Medical--no waivers/lim.
Flight hours
1,864 total · 1,273 in this make and model · 1,714 as pilot in command · 122 in the last 90 days · 56 in the last 30 days · 7 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
50° at 5 knots
Visibility
4 statute miles
Lowest ceiling
15,000 ft overcast
Temperature
64 °F, dew point 63 °F
Altimeter
30.00 inHg
Observed at
AZO, 32 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.