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Atlas / NTSB / DEN83LA143

NTSB CAROL · Event

Event DEN83LA143

1983-06-16 BILLINGS, Montana, United States Airport · BIL Minor 1 aircraft Status: Completed

Registry · N2187F

FAA Aircraft Registry record.

Make / Model

BUFFE W E PULSAR

Year of manufacture

1990

Engine

BOMBARDIER ROTAX (ALL)

Seats / Engines

2 seats · 1 engine

Last airworthiness date

20110318

ADS-B equipped

Yes — Mode-S A1DA8D

Registrant of record

RAUCH SCOTT A

Source: FAA Aircraft Registry (releasable master file).

Aircraft involved

Factual narrative

THE ACFT NOSED OVER DURING A FORCED LANDING AFTER THE ENGINE QUIT DURING DESCENT FOR APPROACH TO LAND. THE PILOT STATED THAT VERY SHORTLY AFTER THE BEGINNING OF DESCENT TO LAND THE ENGINE QUIT AT 5000 FT WHILE HE WAS ACCOMPLISHING THE CHECKLIST. THE PLT SAID LATER THAT HE THOUGHT HE COULD REACH THE RWY BUT THE WINDMILLING PROPELLER CAUSED A HIGH SINK RATE. HE STATED THAT HE THOUGHT HE TRIED TO RESTART THE ENGINE BY SWITCHING TANKS AT LEAST ONCE ('BUT MAYBE TWICE'.) USING BOOST PUMP WITH EACH TANK AND CHANGING MIXTURE SETTING WITH NO SUCCESS. HE THEN HAD TO LAND OFF THE ARPT AND NOSED OVER.AN ONSITE EXAMINATION OF THE ACFT REVEALED NO FUEL IN THE RIGHT TANK AND A SUBSTANTIAL AMOUNT IN THE LEFT TANK. THERE WAS NO SPILLAGE OR RUPTURES IN EITHER TANK. THE EMERGENCY AIRSTART PROCEDURE FROM THE OPERATING HANDBOOK: 1. 75 KIAS 2. FUEL SELECTOR VALVE AND QUANTITY CHECK 3. MIXTURE-RICH 4.AUX FUEL PUMP ON 3-5 SEC WITH THROTTLE HALF OPEN, THEN OFF 5. IGNITION SWITCH BOTH (OR START IF PROP STOPS) 6. THROTTLE-ADVANCE SLOWLY. PLT HAD NOT FLOWN THIS MODEL ACFT IN 90 DAYS. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12

Verbatim from NTSB's published report. Source file NTSB_1983_DEN83LA143.txt. Findings + structured fields enriched from FAA avall.mdb. Full investigation docket on data.ntsb.gov ↗.