SEA87LA186

NTSB accident investigation · Hiller UH-12E · Quincy, WA · September 12, 1987

Accident · Serious injuriesLimited investigationFinal report
Date
September 11, 1987, 18:55 local (Sep 12, 1987, 01:55 UTC)
Place
Quincy, WA
Injuries
1 serious
Damage
Destroyed
Phase of flight
Maneuvering
Aircraft
N8QAHiller UH-12E
Weather
Visual (VMC) · Day
Status
Completed · report April 24, 1989
Report
Approved by Office Director
FAA report
19870911080449A
Case key
40693

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 - wire,transmissionFactor
Clearance - not maintainedPilot in commandCause
In-flight planning/decision - improperPilot in commandCause
In flight collision with terrain/waterDescent - uncontrolled

Analysis

During an aerial application maneuver the pilot flew into two 23,000 volt powerlines. The helicopter's rotor blades struck the powerlines, the aircraft turned to the right and descended to the ground.

Aircraft

Registration
N8QA
Reported as
Hiller UH-12E
Category
Helicopter
Serial number
1073
Airframe hours
12,046
Engine
Lycoming VO-540-B1A, 305 horsepower, reciprocating
Damage
Destroyed
Flight
Aerial application · Part 137
Operator
Quincy Flying Service, Inc.
Registered owner
Quincy Flying Service, Inc
Airworthiness certificate
Special, Restricted (Special)
Last inspection
100 hour · August 3, 1987

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
30
Certificates
Commercial, Flight instructor
Airplane ratings
Single-engine land
Instrument ratings
Airplane
Medical
Class 2, Valid Medical--no waivers/lim.
Seat
Center
Flight hours
4,620 total · 1,730 in this make and model · 4,525 as pilot in command · 397 in the last 90 days · 6 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Visibility
20 statute miles
Lowest ceiling
None
Temperature
79 °F

FAA reports on this event · 1

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