DCA91MA042

NTSB accident investigation · Beech C99 · Birmingham, AL · July 10, 1991

Accident · FatalMajor investigationFinal report
Date
July 10, 1991, 18:12 local (23:12 UTC)
Place
Birmingham, AL
Injuries
13 fatal, 2 serious
Damage
Destroyed
Phase of flight
Approach
Aircraft
N7217LBeech C99
Weather
Instrument (IMC) · Dusk
Status
Completed · report August 5, 1993
Report
Approved by Office Director
NTSB office
Major Investigations Division
Safety recommendations
Yes
FAA report
19910710027039A
Case key
15952

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 decision of the captain to initiate and continue an instrument approach into clearly identified thunderstorm activity, resulting in a loss of control of the airplane from which the flightcrew was unable to recover and subsequent collision with obstacles and the terrain. (NTSB report AAR-92/01)

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 flightApproach - iaf to faf/outer marker (ifr)
Weather condition - thunderstormFactor
In-flight planning/decision - improperPilot in commandCause
In flight collision with objectApproach - iaf to faf/outer marker (ifr)
Object - residence

Analysis

The airplane crashed into houses while on an ILS approach to runway 5 at the Birmingham airport. The weather briefing data that the captain received in mobile was accurate, advising him to expect thunderstorms in the Birmingham area. Birmingham ATIS information whiskey and x-ray, mentioning thunderstorms, was also accurate, and the flightcrew heard them, as well as information from the approach controller that the airport was experiencing thunderstorm activity.

Aircraft

Registration
N7217L
Reported as
Beech C99
Category
Airplane
Serial number
U226
Engine
P&W PT6A-36, 650 horsepower, turbo prop
Damage
Destroyed
Fire
On-Ground
Flight
Part 135
Operator
L'Express Airlines, Inc.
Registered owner
L'Express Airlines, Inc.
Airworthiness certificate
Standard, Normal
Last inspection
Continuous airworthiness · June 20, 1991
Departed
MOB · Mobile, AL
Flight plan
IFR
Airport
BHM · Birmingham Airport, runway 5, 10,000 × 150 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
54
Certificates
Private, Airline transport
Airplane ratings
Single-engine land, Multi-engine land
Instrument ratings
Airplane
Medical
Class 1, Valid Medical--w/ waivers/lim
Seat
Left
Flight hours
4,141 total · 553 in this make and model

Weather

Conditions
Instrument (IMC) · Dusk
Wind
350° at 8 knots
Visibility
3 statute miles
Lowest ceiling
4,800 ft broken
Temperature
84 °F, dew point 68 °F
Altimeter
29.00 inHg
Observed at
BHM, 2 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.