MIA96LA038

NTSB accident investigation · Aero Commander 112 · Memphis, TN · December 11, 1995

Accident · No injuriesLimited investigationFinal report
Date
December 11, 1995, 07:30 local (13:30 UTC)
Place
Memphis, TN
Injuries
2 uninjured
Damage
Substantial damage
Phase of flight
Standing
Aircraft
N88MSAero Commander 112
Weather
Visual (VMC) · Day
Status
Completed · report April 29, 1996
Report
Approved by Office Director
FAA report
19951211043989A
Case key
37957

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 and ground personnel's improper starting procedure. Contributing to the accident were the communications being not understood and inadequate training for both the pilot and ground personnel.

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.

Fire/explosionStanding - starting engine(s)
Starting procedure - improperPilot in commandCause
Inadequate trainingPilot in commandFactor
Communications - not understoodPilot in commandFactor
Starting procedure - improperGround personnelCause
Inadequate trainingGround personnelFactor
Communications - not understoodGround personnelFactor

Analysis

The pilot stated that he requested a ground power unit (gpu) to assist with the engine start. The FBO used a 28-volt, 800-AMP gpu. The airplane has a 12-volt system. The gpu was attached to the airplane, and after the battery switch was turned on the battery exploded and a fire ensued.

Factual narrative

On December 11, 1995, about 0730 central standard time, N88MS, an Aero Commander 112, registered to Hangar #2 Inc. experienced an explosion and fire on engine start at Memphis International Airport, Memphis, Tennessee, while initiating a 14 CFR Part 91 traffic show flight. Visual meteorological conditions prevailed at the time and no flight plan was filed for the local flight. The pilot and reporter/passenger reported no injuries, and the airplane was substantially damaged by the explosion and the subsequent fire. The flight was originating at the time of the accident.

The pilot stated he requested a ground power unit to assist with the engine start. The FBO used a 28 volt, 800 amp unit. The airplane has a 12-volt system. After the battery switch was turned on, the battery exploded, and a fire ensued.

Aircraft

Registration
N88MS
Reported as
Aero Commander 112
Category
Airplane
Serial number
97
Airframe hours
127
Engine
Lycoming IO-360-C1D6, 200 horsepower, reciprocating
Damage
Substantial damage
Fire
On-Ground
Flight
Part 91
Registered owner
Jim Lofin
Airworthiness certificate
Standard, Normal
Last inspection
Annual · August 15, 1995 · 30 hours before
Departed
MEM
Airport
MEM · Memphis International

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, Multi-engine land
Instrument ratings
Airplane
Medical
Class 1, Valid Medical--no waivers/lim.
Seat
Left
Flight hours
2,779 total · 10 in this make and model · 680 as pilot in command · 161 in the last 90 days · 74 in the last 30 days

Weather

Conditions
Visual (VMC) · Day
Wind
180° at 7 knots
Visibility
20 statute miles
Lowest ceiling
None
Temperature
23 °F, dew point 9 °F
Altimeter
30.00 inHg
Observed at
MEM

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 N88MS · 1

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