DCA83AA037

NTSB accident investigation · Swearingen SA226TC · Hot Springs, AR · August 28, 1983

Accident · No injuriesFinal report
Date
August 27, 1983, 20:03 local (Aug 28, 1983, 01:03 UTC)
Place
Hot Springs, AR
Injuries
4 uninjured
Damage
Substantial damage
Phase of flight
Taxi
Aircraft
N503SSSwearingen SA226TC
Weather
Visual (VMC) · Dusk
Status
Completed
Report
Approved by Office Director
NTSB office
Major Investigations Division
Safety recommendations
Yes
FAA report
19830827075539A
Case key
15790

From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.

On this page

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.

FireTaxi - to takeoff
Fuselage,instrument/electrical panel - shortedCause
Fuselage,instrument/electrical panel - arcingCause
Electrical system,electric wiring - arcingCause
Electrical system,electric wiring - contaminationCause
Electrical system,electric wiring - fireCause
Oxygen system,crew - burstCause
Fuselage,instrument/electrical panel - fireCause
Fuselage - fireCause

Analysis

Turning onto the rwy the coplt observed a flash behind his inst panel. He then received an elect shock to his right arm from the right console. A fire then erupted at the lower right hand corner of his inst panel. The crew & pax evacuated the acft. The interior of the acft was consumed by fire as well as most of the upper half of the fuselage. Exam of the right side wire bundle revealed numerous indications of arcing between wires & from wires to ground. One wire was arced at a point in line with a plastic oxygen line. There was also an oily residue inside the wire bundle. A small section ofthe right brake pressure line exhibited signs of elect arcing. The hydraulic syst press gage copper line also showed signs of arcing. The plastic oxygen lines from the the cockpit side of the forward pressure bulkhead to the cockpit outlets had been consumed by fire & the oxygen supply was depleated.

Aircraft

Registration
N503SS
Reported as
Swearingen SA226TC
Category
Airplane
Serial number
TC-229E
Engine
Airesearch TPE-331, 840 horsepower, turbo prop
Damage
Substantial damage
Fire
On-Ground
Flight
Part 135
Registered owner
Scheduled Skyways Inc.
Airworthiness certificate
Standard, Normal
Departed
FTW · Dallas, TX
Destination
Little Rock, AR
Flight plan
IFR
Airport
HOT · Memorial Field, runway 5, 6,595 × 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
33
Certificates
Commercial, Airline transport
Airplane ratings
Single-engine land, Multi-engine land
Instrument ratings
Airplane
Medical
Class 1, Valid Medical--no waivers/lim.
Seat
Left
Flight hours
5,120 total · 3,000 in this make and model · 5,000 as pilot in command · 180 in the last 90 days · 7 in the last 24 hours

Weather

Conditions
Visual (VMC) · Dusk
Wind
Calm
Visibility
8 statute miles
Lowest ceiling
None
Temperature
90 °F, dew point 70 °F
Altimeter
30.00 inHg
Observed at
HOT, 1 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.