FTW85FA137

NTSB accident investigation · Piper PA-23-250 · Foss, OK · March 5, 1985

Accident · FatalField investigationFinal report
Date
March 5, 1985, 09:17 local (15:17 UTC)
Place
Foss, OK
Injuries
1 fatal
Damage
Destroyed
Phase of flight
Enroute
Aircraft
N6310UPiper PA-23-250
Weather
Visual (VMC) · Day
Status
Completed
Report
Approved by Office Director
FAA report
19850305052609A
Case key
21532

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.

FireCruise - normal
Fuel system,line fitting - looseCause
Maintenance,inspection - poorPilot in commandFactor
Impairment(drugs)Pilot in commandFactor
Fluid,fuel - leakCause
Emergency procedure - performedPilot in commandFactor
Airframe/component/system failure/malfunctionDescent - uncontrolled
Wing - separationCause
In flight collision with terrain/waterDescent - uncontrolled

Analysis

Inflt fire at rear of lft eng caused by fitting of inlet fuel line to eng driven fuel pump being more than 1 & 1/2 turns from finger tight plt was A&P mech and did maint on a/c and had helped install lft eng 19.8 hrs prior to accident . Lft wing separated when lower spar cap was near melting point. The disqualifying for flying drug metabolite of phendimetrazine was found during the toxicological exam this drug can only legally be obtained by prescription.

Aircraft

Registration
N6310U
Reported as
Piper PA-23-250
Category
Airplane
Serial number
277954007
Airframe hours
1,212
Engine
Lycoming IO-540-C4B5, 250 horsepower, reciprocating
Damage
Destroyed
Fire
In-Flight
Flight
Ferry · Part 91
Registered owner
Remote Sensing Services, Inc.
Airworthiness certificate
Standard, Normal
Last inspection
Annual · September 15, 1984 · 45 hours before
Departed
OKC · Oklahoma City, OK
Destination
ELK · Elk City, OK
Airport
Unknown

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
Flight instructor, Commercial
Airplane ratings
Single-engine sea, Multi-engine land, Single-engine land
Medical
Class 2, Valid Medical--no waivers/lim.
Seat
Left
Toxicology
Performed
Flight hours
21,000 total · 150 in the last 90 days

Weather

Conditions
Visual (VMC) · Day
Visibility
20 statute miles
Temperature
43 °F, dew point 28 °F
Altimeter
30.00 inHg
Observed at
OKC, 90 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.