MKC85LA204

NTSB accident investigation · Grumman AA5 · Boone, IA · September 2, 1985

Accident · Minor injuriesLimited investigationFinal report
Date
September 2, 1985, 11:30 local (16:30 UTC)
Place
Boone, IA
Injuries
3 minor
Damage
Substantial damage
Phase of flight
Maneuvering
Aircraft
N16LBGrumman AA5
Weather
Instrument (IMC) · Day
Status
Completed
Report
Approved by Office Director
FAA report
19850902064129A
Case key
34023

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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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 encounter with weatherManeuvering
Weather condition - fogFactor
Flight into known adverse weather - intentionalPilot in commandCause
Weather evaluation - inadequatePilot in commandCause
Loss of control - in flightManeuvering
Proper descent rate - not attainedPilot in commandCause
Stall - inadvertentPilot in commandCause
Level off - not performedPilot in commandCause
In flight collision with terrain/waterLanding
Terrain condition - ground

Analysis

After departing laporte city airport the plt of the acft proceeded to his destination airport despite deteriorating weather conditions at this destination. The plt stated he should not have proceeded into poor weather conditions. Weather conditions at the airport as reported by the airport manager were visibility less than 1/4 mile in fog. At the time he heared and saw the acft. He also observed the acft banked near vertical as the plt attempted to make a landing to the airport runway. The acft was then observed descending until impacting the ground. The plt stated he didn't realize he had stalled the acft.

Aircraft

Registration
N16LB
Reported as
Grumman AA5
Category
Airplane
Serial number
A5B-0988
Airframe hours
361
Engine
Lycoming O-320, 150 horsepower, reciprocating
Damage
Substantial damage
Flight
Business · Part 91
Registered owner
Lyle L. Blair
Airworthiness certificate
Standard, Normal
Last inspection
Annual · April 1, 1985 · 49 hours before
Departed
6C8 · Laporte City, IA
Destination
BNW · Boone, IA

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
54
Certificate
Private
Airplane ratings
Single-engine land
Medical
Class 3, Valid Medical--w/ waivers/lim
Seat
Left
Flight hours
375 total · 327 in this make and model · 345 as pilot in command · 13 in the last 90 days · 3 in the last 24 hours

Weather

Conditions
Instrument (IMC) · Day
Wind
150° at 10 knots
Visibility
1 statute miles
Lowest ceiling
800 ft overcast
Altimeter
30.00 inHg
Observed at
DSM, 30 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.