N653AF

PILATUS AIRCRAFT LTD PC-12/47E · 2016 · Fixed-wing single-engine · 1 engine · 11 seats · Valid Registration

Registered owner: MAY TEN LLC, NH (owner ≠ operator)

Operators of this aircraft

Who operated this tail, and how firmly we know it.

OperatorRolePeriodBasis
Cobalt Air, LLC (6CBA)Certificate holderMatched by certificate designator

Accident & incident history

No NTSB accidents or incidents on file for this aircraft.

Maintenance disclosures

Service Difficulty Reports filed with the FAA for this airframe. Filing is largely voluntary — the number of reports is not a measure of reliability. To verify a report, search its control number at the FAA SDRS site.

1 report on file, 2025-04-27.

SMOKE/FUMES/ODORS/SPARKS · 2025-04-27 Matched by certificate designator
ATA 2120

Part: UNKNOWN — ODOR (CABIN) · airframe 8,700 hrs · 7,606 cycles

DURING CRUISE AT 26000 FT IN VFR CONDITIONS, THE CREW REPORTED A BURNING OIL ODOR IN ACS SYSTEM. AN EMERGENCY DECLARED AND THE CREW DIVERTED TO KBWI. OXYGEN WAS USED BY THE CREW AND PASSENGER AT THIS TIME. LANDING WAS UNEVENTFUL. NO ABNORMAL ENG INDICATIONS OR CAS MESSAGES NOTED, NO EXTERNAL LEAKS OR OIL LEVEL CHANGE WAS NOTED BY THE CREW DURING POST FLIGHT INSPECTION. TECHS EXAMINED THE ENGINE BEHIND THE BLEED VALVE & INSIDE INLET AND NOTED IT TO BE DRY. THE AGB/EXHAUST BREATHER TUBE SHOWED SIGNS OF OIL INDICATING OIL OVER-SERVICING. WATER SEPARATOR REMOVED, INSPECTED, & REPLACED AS A PRECAUTION, BUT NO DEFECTS FOUND. NO SMELL WAS NOTED DURING RUNS, OPS & LEAK CHECK GOOD.

Source: SDR 6CBA2025042704001