SEA91LA086

NTSB accident investigation · Grumman G-21A · Spokane, WA · April 17, 1991

Accident · No injuriesLimited investigationFinal report
Date
April 17, 1991, 10:30 local (17:30 UTC)
Place
Spokane, WA
Injuries
2 uninjured
Damage
Substantial damage
Phase of flight
Landing
Aircraft
N9750ZGrumman G-21A
Weather
Visual (VMC) · Day
Status
Completed · report March 31, 1993
Report
Approved by Office Director
Case key
41413

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-in-command did not maintain directional control of the airplane. Factors were: the pic's inadequate compensate for the wind, his limited flight expereince in this type of airplane, and the check airman's poor supervision.

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.

Loss of control - on ground/waterLanding - roll
Directional control - not maintainedPilot in commandCause
Lack of total experience in type of aircraftPilot in commandFactor
Ground loop/swerve - uncontrolledPilot in command
Compensation for wind conditions - inadequatePilot in commandFactor
Supervision - poorCheck pilotFactor
On ground/water encounter with terrain/waterLanding - roll

Analysis

The pilot in-command did not maintain directional control of the airplane. Factors were the pic's inadequate compensation for the wind, his limited flight expereince in this type of airplane, and the check airman's poor supervision.

Aircraft

Registration
N9750Z
Reported as
Grumman G-21A
Category
Airplane
Serial number
B-32
Engine
P&W R-985-AN14B, 450 horsepower, reciprocating
Damage
Substantial damage
Flight
Instructional · Part 91
Operator
Loel Fenwick
Registered owner
Loel Fenwick
Airport
GEG · Spokane Intl, runway 7, 8,199 × 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
46
Certificate
Private
Airplane ratings
Single-engine land, Single-engine sea, Multi-engine land
Instrument ratings
Airplane
Medical
Class 3, Valid Medical--w/ waivers/lim
Flight hours
645 total · 6 in this make and model · 525 as pilot in command

Weather

Conditions
Visual (VMC) · Day
Wind
30° at 12 knots
Visibility
30 statute miles
Lowest ceiling
None
Temperature
-0 °F, dew point -0 °F

Other investigations on N9750Z · 1

Matched to the same aircraft by N-number and date.