FTW90DRA09

NTSB accident investigation · Grumman G-164A · Altair, TX · September 14, 1990

Accident · No injuriesFinal report
Date
September 14, 1990, 13:45 local (18:45 UTC)
Place
Altair, TX
Injuries
1 uninjured
Damage
Destroyed
Phase of flight
Initial climb
Aircraft
N6566Grumman G-164A
Weather
Visual (VMC) · Day
Status
Completed · report October 2, 1992
Report
Approved by Office Director
FAA report
19900914039809A
Case key
22976

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's use of improper terrain for takeoff.

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 terrain/waterTakeoff - initial climb
Terrain condition - cropFactor
Runway maintenance - inadequateAirport personnelCause
Unsuitable terrain or takeoff/landing/taxi area - selectedPilot in commandCause
Terrain condition - dirt bank/rising embankment
FireOther

Analysis

During the first departure of the day the airplane did not accelerate sufficiently to get airborne and clear eight foot tall weeds at the sough end of the private strip. The airplane got airborne at the end of the strip but the chemical spreader on the bottom of the airplane contacted the tall weeds. This resulted in a loss of airspeed, and a subsequent collision with an earthen irrigation dike. The airplane came to rest about 200 feet from initial impact and post impact fire consumed the wreckage. Investigation revealed that about 50 feet of the strip was covered by two foot tall weeds and that the rest of the takeoff surface was a hard surface dirt crust with a spongy under layer.

Aircraft

Registration
N6566
Reported as
Grumman G-164A
Category
Airplane
Serial number
704
Airframe hours
9,298
Engine
P&W R-1340-AN1, 600 horsepower, reciprocating
Damage
Destroyed
Fire
On-Ground
Flight
Aerial application · Part 137
Operator
Aero-Ag Service, Inc.
Registered owner
Aero Ag. Service Inc
Airworthiness certificate
Special, Restricted (Special)
Last inspection
Annual · March 25, 1990 · 1,250 hours before
Departed
NONE
Airport
NONE, runway 18, 1,600 × 75 ft, dirt

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
34
Certificate
Commercial
Airplane ratings
Single-engine land
Medical
Class 2, Valid Medical--no waivers/lim.
Seat
Front
Flight hours
6,500 total · 6,000 in this make and model · 6,500 as pilot in command · 250 in the last 90 days · 60 in the last 30 days · 2 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
Calm
Visibility
20 statute miles
Lowest ceiling
None
Temperature
88 °F

FAA reports on this event · 1

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