LAX87LA250

NTSB accident investigation · de Havilland DHC-6-300 · Grand Canyon, AZ · June 29, 1987

Accident · No injuriesLimited investigationFinal report
Date
June 29, 1987, 12:57 local (19:57 UTC)
Place
Grand Canyon, AZ
Injuries
18 uninjured
Damage
Substantial damage
Phase of flight
Taxi
Aircraft
N74GCde Havilland DHC-6-300
Weather
Visual (VMC) · Day
Status
Completed · report December 27, 1988
Report
Approved by Office Director
FAA report
19870629032429A
Case key
25623

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.

On ground/water collision with objectTaxi - to takeoff
Object - vehicleFactor
Visual lookout - inadequatePilot in commandCause
Clearance - misjudgedPilot in commandCause
Other airport/runway maintenance - performedAirport personnel

Analysis

While taxiing for takeoff, the underside of the left wing struck the boom of a backhoe parked adjacent to the aircraft ramp. The unattended backhoe was parked in a dirt area adjacent to the ramp with the boom in the extended position while the operator was on his lunch break.

Aircraft

Registration
N74GC
Reported as
de Havilland DHC-6-300
Category
Airplane
Serial number
559
Airframe hours
19,408
Engine
P&W PT6A-27, 680 horsepower, turbo prop
Damage
Substantial damage
Flight
Part 135
Registered owner
Grand Canyon Airlines, Inc.
Airworthiness certificate
Standard, Normal
Last inspection
100 hour · June 15, 1987 · 92 hours before
Flight plan
Company VFR
Airport
GCN · Grand Canyon National Prk, runway 21, 8,999 × 150 ft, asphalt

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
40
Certificate
Airline transport
Airplane ratings
Multi-engine land, Single-engine land
Instrument ratings
Airplane
Medical
Class 1, Valid Medical--no waivers/lim.
Seat
Left
Flight hours
4,706 total · 346 in this make and model · 4,524 as pilot in command · 313 in the last 90 days · 5 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
200° at 7 knots
Visibility
50 statute miles
Lowest ceiling
None
Temperature
84 °F, dew point 36 °F
Altimeter
30.00 inHg
Observed at
GCN

FAA reports on this event · 1

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