SEA88LA098

NTSB accident investigation · Grumman G-164 · Ritzville, WA · May 20, 1988

Accident · No injuriesLimited investigationFinal report
Date
May 20, 1988, 10:35 local (17:35 UTC)
Place
Ritzville, WA
Injuries
1 uninjured
Damage
Destroyed
Phase of flight
Enroute
Aircraft
N6963KGrumman G-164
Weather
Visual (VMC) · Day
Status
Completed · report March 13, 1989
Report
Approved by Office Director
FAA report
19880520042119A
Case key
40820

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 encounter with weatherClimb
Weather condition - unfavorable windFactor
Compensation for wind conditions - inadequatePilot in commandCause
Loss of control - in flightClimb
Stall/mush - not correctedPilot in commandCause
In flight collision with objectClimb
Object - poleFactor
In flight collision with terrain/waterDescent - uncontrolled

Analysis

While on an aerial applications flight, the pilot was climbing to clear power lines when a whirlwind was encountered. The aircraft struck a power pole and descended onto the ground.

Aircraft

Registration
N6963K
Reported as
Grumman G-164
Category
Airplane
Serial number
S28B
Engine
P&W R-1340-AN1, 600 horsepower, reciprocating
Damage
Destroyed
Flight
Aerial application · Part 137
Registered owner
Moore Aircraft Co.
Airworthiness certificate
Special, Restricted (Special)
Departed
33S · Ritzville, WA

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
37
Certificate
Commercial
Airplane ratings
Single-engine land, Multi-engine land, Single-engine sea
Instrument ratings
Airplane
Medical
Class 2, Valid Medical--w/ waivers/lim
Seat
Center
Flight hours
6,000 total · 2,400 in this make and model · 5,900 as pilot in command · 200 in the last 90 days · 150 in the last 30 days · 10 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
120° at 3 knots
Visibility
30 statute miles
Lowest ceiling
None
Temperature
64 °F
Altimeter
30.00 inHg

FAA reports on this event · 1

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