NTSB CAROL · Event
Event NYC93LA060
Registry · N233PA
FAA Aircraft Registry record.
Make / Model
AIRBUS HELICOPTERS AS 350B3
Year of manufacture
2018
TCDS
H9EU · AIRBUS HELICOPTERS
Engine
TURBOMECA ARRIEL 2D (802 hp)
Seats / Engines
7 seats · 1 engine
Last airworthiness date
20190731
ADS-B equipped
Yes — Mode-S A214EB
Registrant of record
COMANCHE MAVERICK AIR LLC
Source: FAA Aircraft Registry (releasable master file).
Aircraft involved
Probable cause & findings
THE PILOT'S IMPROPER EMERGENCY PROCEDURES FOR AN ENGINE FIRE DURING STARTING WHICH RESULTED IN THE SUBSTANTIAL DAMAGE. FACTORS RELATED TO THE ACCIDENT WERE THE PILOT'S IMPROPER STARTING PROCEDURE AND HIS LACK OF TOTAL EXPERIENCE.
Factual narrative
THIS WAS THE FIRST FLIGHT OF THE DAY AND THE TEMPERATURE WAS BELOW FREEZING. THE PILOT PRIMED THE ENGINE SEVERAL TIMES AND THEN ATTEMPTED TO START THE ENGINE. IT RAN FOR A FEW SECONDS AND THEN STOPPED. HE PRIMED IT SEVERAL TIMES AGAIN AND THEN ATTEMPTED ANOTHER START. AGAIN THE ENGINE STARTED AND THEN STOPPED. HE THEN NOTICED A GLOW ON THE GROUND AND EVACUATED THE PASSENGERS WHILE HE ATTEMPTED TO CRANK THE ENGINE, HOWEVER THE FLAMES SPREAD, AND THE PILOT EVACUATED THE AIRPLANE. THE MASTER SWITCH, ELECTRIC FUEL PUMP, MIXTURE CONTROL AND THE FUEL SELECTOR VALVE WERE LEFT ON. ACCORDING TO THE AIRPLANE FLIGHT MANUAL, PRIMING IS USED ONLY AFTER THE INITIAL START ATTEMPT. IN ADDITION, IF A FIRE OCCURS DURING START, THE MANUAL SAY TO SHUT OFF THE MIXTURE AND FUEL SELECTOR. THE PILOT HAD 90 HOURS TOTAL TIME. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12
Verbatim from NTSB's published report. Source file
NTSB_1993_NYC93LA060.txt.
Findings + structured fields enriched from FAA avall.mdb.
Full investigation docket on
data.ntsb.gov ↗.
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