NYC92LA007

NTSB accident investigation · Grumman AA-5A · Boxboro, MA · October 13, 1991

Accident · Serious injuriesLimited investigationFinal report
Date
October 13, 1991, 08:12 local (12:12 UTC)
Place
Boxboro, MA
Injuries
1 serious, 1 minor
Damage
Substantial damage
Phase of flight
Initial climb
Aircraft
N26697Grumman AA-5A
Weather
Visual (VMC) · Day
Status
Completed · report April 27, 1993
Report
Approved by Office Director
FAA report
19911013046029A
Case key
37089

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 failure to perform an adequate preflight to remove ice/frost from the aircraft wings.

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 - in flightTakeoff - initial climb
Weather condition - icing conditions
Ice/frost removal from aircraft - not performedPilot in commandCause
Stall/mush - inadvertentPilot in command
Aircraft performance,climb capability - inadequateCause
In flight collision with terrain/waterDescent - uncontrolled
Object - guy wire

Analysis

During preflight for a cross country flight, the pilot failed to remove an accumulation of ice and frost from the aircraft. The flight departed at a gross weight at or near maximum and settled into a grove of trees approximately one quarter mile off the end of the departure runway.

Aircraft

Registration
N26697
Reported as
Grumman AA-5A
Category
Airplane
Serial number
AA5A0653
Airframe hours
5,278
Engine
Lycoming O-320-E2G, 150 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Operator
Stone Aviation Service
Registered owner
Stone Aviation Service
Airworthiness certificate
Standard, Normal
Last inspection
Unknown · January 2, 2000
Departed
6B6 · Stow, MA
Airport
6B6 · Minuteman, runway 3, 2,600 × 50 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
29
Certificate
Private
Airplane ratings
Single-engine land
Medical
Class 3, Valid Medical--no waivers/lim.
Seat
Left
Flight hours
250 total · 40 in this make and model · 205 as pilot in command · 30 in the last 90 days · 6 in the last 30 days

Weather

Conditions
Visual (VMC) · Day
Wind
Calm
Visibility
12 statute miles
Lowest ceiling
None
Temperature
34 °F
Observed at
6B6, 1 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.