FTW89FA007

NTSB accident investigation · Piper PA-31-350 · Edinburg, TX · October 16, 1988

Accident · No injuriesField investigationFinal report
Date
October 16, 1988, 16:35 local (21:35 UTC)
Place
Edinburg, TX
Injuries
7 uninjured
Damage
Destroyed
Phase of flight
Enroute
Aircraft
N91BBPiper PA-31-350
Weather
Visual (VMC) · Day
Status
Completed · report January 24, 1990
Report
Approved by Office Director
FAA report
19881016069759A
Case key
22749

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.

Loss of engine power(total) - nonmechanicalClimb - to cruise
1 engine
Fluid,fuel - contaminationCause
Fluid,fuel - waterCause
Maintenance,service of aircraft/equipment - improperFbo personnelCause
Loss of control - in flightClimb - to cruise
Airspeed(vmc) - not maintainedPilot in commandCause
Spiral - uncontrolled
Loss of engine power(total) - nonmechanicalDescent - uncontrolled
All engines
Fluid,fuel - contaminationCause
Fluid,fuel - waterCause
Forced landingDescent - emergency
In flight collision with terrain/waterLanding - roll
Wheels up landing - performedPilot in command

Analysis

Acft experienced a double eng failure. Plt stated that immediately after the left eng failed, in climb to cruise, the acft rolled left, the stall warning activated, and the acft entered a left spiral. The rt eng failed during the two-turn spiral. Plt's attempts to restart the engs were unsuccessful. Plt subsequently made a successful gear up emerg lndg on a road, however, the acft was destroyed by post-crash fire. Investigation revealed that both eng fuel systems were contaminated with water and dissolved solids. Acft had just been refueled at a foreign airport.

Aircraft

Registration
N91BB
Reported as
Piper PA-31-350
Category
Airplane
Serial number
31-141
Airframe hours
6,373
Engine
Lycoming IO-540-A, 350 horsepower, reciprocating
Damage
Destroyed
Fire
On-Ground
Flight
Part 135
Operator
Texas Air Charter
Registered owner
James Cosby & William Benson
Airworthiness certificate
Standard, Normal
Last inspection
Annual · September 30, 1988 · 50 hours before
Departed
MFE · Mcallen, TX
Destination
HOU · Houston, TX
Flight plan
IFR

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
47
Certificate
Commercial
Airplane ratings
Single-engine land, Multi-engine land
Instrument ratings
Airplane
Medical
Class 2, Valid Medical--w/ waivers/lim
Seat
Left
Flight hours
2,925 total · 195 in this make and model · 2,696 as pilot in command · 42 in the last 90 days · 36 in the last 30 days

Weather

Conditions
Visual (VMC) · Day
Wind
135° at 8 knots
Visibility
15 statute miles
Lowest ceiling
None
Temperature
91 °F, dew point 64 °F
Altimeter
29.00 inHg

FAA reports on this event · 1

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