CHI88FA067

NTSB accident investigation · Grumman American AA-5A · Martinsville, IN · February 23, 1988

Accident · FatalField investigationFinal report
Date
February 23, 1988, 16:31 local (21:31 UTC)
Place
Martinsville, IN
Injuries
2 fatal
Damage
Destroyed
Phase of flight
Initial climb
Aircraft
N9958UGrumman American AA-5A
Weather
Visual (VMC) · Day
Status
Completed · report January 16, 1990
Report
Approved by Office Director
FAA report
19880223004389A
Case key
13932

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

Pilot to take into caonsideration the wind direction and velocity before selecting his takeoff direction.

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 objectTakeoff - initial climb
Airport facilities,runway/landing area condition - uphillFactor
Weather condition - tailwindFactor
Wrong runway - selectedPilot in commandCause
Object - tree(s)Factor
Object - wire,transmissionFactor
In flight collision with terrain/waterDescent - uncontrolled

Analysis

The plt began a departure by taking off to the east , downwind, on a 2000' upsloping rwy. The airplane failed to clear trees & powerlines at the departure end of the rwy. It then descended out of control & crashed, and was destroyed by impact & fire. About 20 mi east-northeast, at indianapolis, the 1553 EST wind was from 310 deg at 16 gusting 22 KTS. The plt's last medical application was dated 10/3/87, but a medical certificate was denied due to a cardio-vascular problem.

Aircraft

Registration
N9958U
Reported as
Grumman American AA-5A
Category
Airplane
Serial number
AA5A-0358
Engine
Lycoming O-320-E2G, 150 horsepower, reciprocating
Damage
Destroyed
Fire
On-Ground
Flight
Business · Part 91
Operator
Lutz G. Machon
Registered owner
Lutz G Machon
Airworthiness certificate
Standard, Normal
Destination
I14 · Indianapolis, IN
Airport
Private, runway 9, 2,000 × 90 ft, grass/turf

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
58
Certificate
Private
Airplane ratings
Single-engine land
Seat
Left
Toxicology
Performed
Flight hours
1,250 total

Weather

Conditions
Visual (VMC) · Day
Wind
310° at 16 knots, gusting 22
Visibility
15 statute miles
Lowest ceiling
None
Temperature
34 °F, dew point 18 °F
Altimeter
30.00 inHg
Observed at
IND, 20 nm away

FAA reports on this event · 1

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

Other investigations on N9958U · 1

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