HAYNES AVIATION LLC

Part 135 operator · designator 4HYA

Data confidence: Records are linked by certificate number, aircraft registration, or a name match that a reviewer has confirmed. Each record below shows how it was linked.

Also recorded as: HAYNES AVIATION LLC

Accident & enforcement record

Events that happened, regardless of the operator's own reporting. Each links to its public source.

NTSB accidents & incidents

Acc · 2025-10-22 Operator named in NTSB report
EUROCOPTER AS350 (N545HF) None injury Part 91

Operated by HAYNES AVIATION LLC (per NTSB report)

Source: NTSB case ERA26LA026

FAA enforcement actions

FAA enforcement records haven't been loaded into GroundCheck yet, so none can be shown — a gap in our data, not evidence of a clean enforcement history.

Maintenance disclosure history

Service Difficulty Reports are self-reported maintenance findings. The NUMBER of reports is not a measure of reliability — diligent operators file more, not fewer. These are shown for transparency, not as a negative signal.

4 reports on file.

B · 2024-06-24 Matched by certificate designator
N808GT · ATA 2150

AIR CONDITIONING COMPRESSOR BELT FAILED AND CREATED SMOKE FROM FRICTION WITH COMPRESSOR PULLEY. FUMES AND SMOKE IS DRAWN INTO CABIN AREA.

Source: SDR 4HYA202406240155 · FAA SDRS
K B J · 2023-09-25 Matched by certificate designator
N808GT · ATA 7261

BLOCKED OIL RETURN LINE DUE TO OIL COKING. LOW OIL PRESSURE CAUTION ILLUMINATED AND PILOT MADE EMERGENCY LANDING SAFELY. THIS CONDITION CAUSES OIL TO FLOW INTO THE EXHAUST AREA AND BURNS THE OIL CAUSING SMOKE. THIS SMOKE WAS SMELLED IN CABIN BY PILOT UPON LANDING.

Source: SDR 4HYA2023092900005 · FAA SDRS
B · 2021-07-26 Matched by certificate designator
N545HF · ATA 2110

IN CRUISE NOTICED SMOKE IN CABIN WITH PLASTIC SMELL. MAINTENANCE DISCOVERED AIR CONDITIONER COMPRESSOR TO BE SOURCE.

Source: SDR 4HYA2021072603 · FAA SDRS
B · 2020-05-18 Matched by certificate designator
N608HF · ATA 2120

DURING TRANSITION TO CRUISE, PILOT NOTICED AN ODORLESS VAPOR/MIST EMANATING FROM THE HEAT/DEMIST SYSTEM. RETURNED TO BASE TO HAVE MAINTENANCE CHECK IT OUT. NO DEFECTS NOTED IN SYSTEM AND COULD NOT REPRODUCE CONDITION AFTER GROUND RUN AND MAINTENANCE FLIGHT. SUSPECT WATER IN BLEED AIR SYSTEM AFTER ENGINE WASH.

Source: SDR 4HYA202005211802 · FAA SDRS

Linked aircraft

N-numberMake / modelYearStatusLink basis
N545HFEUROCOPTER AS 350 B32006Valid RegistrationMatched by certificate designator
N545HFEUROCOPTER AS 350 B32006Valid RegistrationOperator named in NTSB report
N608HFMatched by certificate designator
N624SDMatched by certificate designator
N808GTEUROCOPTER AS 350 B21997Valid RegistrationMatched by certificate designator