NTSB CAROL · Event
Event ANC83FA144
Registry · N1081K
FAA Aircraft Registry record.
Make / Model
BELL HELICOPTER TEXTRON 206L-1
Year of manufacture
1980 · 3 years old at event
TCDS
H2SW · BELL HELICOPTER TEXTRON CANADA LTD
Engine
ALLISON 250-C20 SER (420 hp)
Seats / Engines
7 seats · 1 engine
Last airworthiness date
19930921
ADS-B equipped
Yes — Mode-S A024F1
Registrant of record
MARKS AVIATION GROUP LLC
Source: FAA Aircraft Registry (releasable master file).
Aircraft involved
Factual narrative
ACCORDING TO THE PLT, THE LOW FUEL WARNING LIGHT ILLUMINATED WHEN THE FUEL GAGE WAS INDICATING 200 LBS. HE REPORTED HE COULD SEE THE ARPT LIGHTS & ELECTED TO CONTINUE THE FLT. AFTER ARRIVING, HE TERMINATED HIS APCH TO A 30 TO 50 FT HOVER WITH NO FORWARD SPEED. AS HE APPLIED FORWARD CYCLIC TO HOVER TO THE REFUELING AREA, THE ENG FLAMED OUT. SUBSEQUENTLY, THE HELICOPTER LANDED HARD & THE MAIN ROTOR BLADES STRUCK THE TAIL BOOM. AN EXAM REVEAL THERE WAS ENOUGH FUEL REMAINING IN THE MAIN CELL FOR APRX 20 MIN OF FLT. DISASSEMBLY OF THE SYS REVEALED THAT DEBRIS (DIRT & ZINC CHROMATE PAINT CHIPS) WAS IN THE FILTERS. THE FILTER SCREEN HAD OPENINGS OF .020 INCH. PARTICLES WERE FOUND IN THE FLOW SWITCHES. HOWEVER, THE CLEARANCE BETWEEN THE FLOW SWITCH PLUNGER & THE WALL OF THE CASING WAS ONLY .012 INCH. EVIDENCE WAS FOUND TO INDICATE THIS RENDERED A FLOW SWICH INOPERATIVE SO THAT FUEL WOULD NOT TRANSFER FROM THE MAIN CELL TO THE REAR CELL WHERE IT COULD BE USED BY THE ENG. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12
Verbatim from NTSB's published report. Source file
NTSB_1983_ANC83FA144.txt.
Findings + structured fields enriched from FAA avall.mdb.
Full investigation docket on
data.ntsb.gov ↗.
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