SEA89LA138

NTSB accident investigation · Grumman 164B · Hermiston, OR · July 19, 1989

Accident · No injuriesLimited investigationFinal report
Date
July 19, 1989, 05:15 local (12:15 UTC)
Place
Hermiston, OR
Injuries
1 uninjured
Damage
Substantial damage
Phase of flight
Taxi
Aircraft
N6632QGrumman 164B
Weather
Visual (VMC) · Dawn
Status
Completed · report January 23, 1992
Report
Approved by Office Director
FAA report
19890719024699A
Case key
41053

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 airport owners failure to mark a hidden hazard.

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 encounter with terrain/waterTaxi - from landing
Airport facilities,runway/landing area condition - waterCause
Airport facilities,runway/landing area condition - hidden obstruction(s)Cause
Airport facilities,obstruction marking - inadequateCause
Other airport/runway maintenance - inadequateAirport personnelCause
Nose overTaxi - from landing

Analysis

The pilot taxied through what he thought was only a puddle of water. It turned out to be a deep hole filled with water that had washed out due to a broken underground water pipe. Private strip.

Aircraft

Registration
N6632Q
Reported as
Grumman 164B
Category
Airplane
Serial number
1598
Engine
P&W R-1340, 600 horsepower, reciprocating
Damage
Substantial damage
Flight
Positioning · Part 91
Registered owner
Thomas H. White
Airport
S & K Farm, runway 9, 5,000 × 100 ft, gravel

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
52
Certificate
Commercial
Airplane ratings
Single-engine land
Medical
Class 2, Valid Medical--no waivers/lim.
Flight hours
10,000 total · 8,000 in this make and model · 10,000 as pilot in command · 300 in the last 90 days · 100 in the last 30 days · 8 in the last 24 hours

Weather

Conditions
Visual (VMC) · Dawn
Visibility
50 statute miles
Lowest ceiling
None
Temperature
61 °F, dew point -0 °F

FAA reports on this event · 1

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