N505TJ
Registered owner: MERCY FLIGHT INC, NY (owner ≠ operator)
Operators of this aircraft
Who operated this tail, and how firmly we know it.
| Operator | Role | Period | Basis |
|---|---|---|---|
| Mercy Flight, Inc. (M7FA) | Certificate holder | — | Matched by certificate designator |
| Mercy Flight, Inc. (M7FA) | Operator | on 2021-10-06 | Operator named in NTSB report |
Accident & incident history
Operated by MERCY FLIGHT INC (per NTSB report)
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.
4 reports on file, 1995-03-15 – 2026-07-21.
Part: PACKING — SWOLLEN (HYD MODULE) · airframe 752 hrs · 3,569 cycles
AT 0203 EDST ON 7/21/2026 N505TJ LANDED UNEVENTFULLY ON TOP OF OISHEI CHILDREN'S HOSPITAL (1NY2) FOR PATIENT DELIVERY. AT APPROXIMATELY 0230 EDST, ENG1 WAS STARTED. AFTER STARTING ENG2, N505TJ LOST HYDRAULIC SYSTEM #2 BEFORE DEPARTURE TO KBUF. CREW REPORTED HEARING A GRINDING NOISE AND THE PILOT REPORTED SEEING THE #2 HYDRAULIC SYSTEM INDICATION TURN RED WITH AN ASSOCIATED MASTER WARNING INDICATION BEFORE IMMEDIATELY SHUTTING DOWN. AFTER SHUTDOWN, IT WAS NOTED THAT HYDRAULIC FLUID HAD COVERED THE RIGHT SIDE OF THE AIRCRAFT. THE DOM WAS CONTACTED AND HE RESPONDED FOR INVESTIGATION. THE AIRCRAFT REMAINED ON THE ROOFTOP UNTIL MAINTENANCE WAS DISPATCHED AT 0830 ON 7/21/2026 FOR REPAIR/RECOVERY. UPON INSPECTION, IT WAS DISCOVERED THAT AN O-RING P/N M83461/2-905 ON THE INBOARD PORT PLUG OF THE #2 INTEGRATED HYDRAULIC MODULE HAD BLOWN OUT AND CAUSED THE SUBSEQUENT LOSS OF HYDRAULIC FLUID IN THE #2 SYSTEM. THE O-RING WAS REPLACED AND THE #2 HYDRAULIC SYSTEM WAS SERVICED. A GROUND RUN WAS COMPLETED FOR LEAK CHECK AND THE AIRCRAFT DEPARTED 1NY2 FOR HOME BASE AT 1056 AND ARRIVED AT KBUF AT 1059. THE AIRCRAFT WAS REINSPECTED AND CLEANED UPON ARRIVAL. NO FURTHER DEFECTS WERE NOTED AT THAT TIME. AIRCRAFT HAS RETURNED TO SERVICE. THERE ARE CURRENTLY NO ASSOCIATED AD'S OR ASB'S.
Part: O-RING — DAMAGED (ZONE 200) · airframe 752 hrs · 3,569 cycles
AT APPROXIMATELY 0230 EDST, ENG1 WAS STARTED. AFTER STARTING ENG2, LOST HYD SYS NR 2 BEFORE DEPARTURE TO KBUF. CREW REPORTED HEARING A GRINDING NOISE AND THE PILOT REPORTED SEEING THE #2 HYD SYS INDICATION TURN RED WITH AN ASSOCIATED MASTER WARNING INDICATION BEFORE IMMEDIATE SHUTDOWN. NOTED HYD FLUID HAD COVERED RT SIDE OF THE ACFT. ON INSP, DISCOVERED AN O-RING ON INBD PORT PLUG OF THE NR 2 INTEGRATED HYD MODULE HAD BLOWN OUT & CAUSED SUBSEQUENT LOSS OF HYD FLUID IN NR 2 SYSTEM. O-RING REPLACED AND NR 2 HYD SYS SERVICED. GROUND RUN COMPLETED FOR LEAK CHECK & ACFT DEPARTED 1NY2 FOR HOME BASE. ACFT WAS REINSPECTED AND CLEANED ON ARRIVAL. NO FURTHER DEFECTS NOTED. ACFT RETURNED TO SERVICE.
Part: STIFFENER — SHEARED (FIREWALL ASSY) · airframe 172 hrs
VERY SHARP ENGINE FIREWALL STIFFENER SEAMS CAUSED MX TECH TO GET DEEP KNUCKLE CUT THRU TENDON DOWN TO BONE. THIS IS A FIREWALL THAT IS USED ON BOTH ENGINES.THEY APPEAR TO NOT BE DRESSED OUT OR NO PROTECTIVE MATERIAL IS INSTALLED ON THEIR EDGES.
Part: SEAL — LEAKING (INPUT QUILL)
NOTICED OIL ON TRANSMISSION DECK DURIING POST-FLIGHT AFTER FIRST FLIGHT OF THE DAY, 3-15-95. SUSPECT CHANGES IN TEMPERATURE OR LACK OF FLYING.