N5017H
Operators of this aircraft
Who operated this tail, and how firmly we know it.
| Operator | Role | Period | Basis |
|---|---|---|---|
| Evergreen Helicopters International, Inc. | Operator | on 2003-12-03 | Operator named in NTSB report |
| STATE OF ALASKA | Operator | on 2002-07-15 | Operator named in NTSB report |
| STATE OF ALASKA | Operator | on 2001-06-26 | Operator named in NTSB report |
Accident & incident history
Operated by Evergreen Helicopters International, Inc. (per NTSB report)
Operated by State of Alaska, Division of Forestry (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.
6 reports on file, 1998-02-25 – 2002-05-26.
Part: CARGO HOOK — INOPERATIVE (WATER BUCKET)
DURING WORK WITH THE FORREST SERVICE USING BAMBI BUCKETS FOR WATER BOMBER OPERATIONS, THE AIRCRAFT EXPERIENCED AN UNCOMMANDED EXTERNAL LOAD RELEASE. THE AIRCRAFT WAS FLOWN TO THE MAIN BASE WHERE A COMPLETE AND THOROUGH ELECTRICAL EVALUATION AND, AS A PRECAUTION, REPLACED THE RELEASE RELAY FOR THE ELECTRICAL PORTION OF THE CARGO HOOK. THE MANUAL RELEASE PORTION OF CARGO HOOK RELEASE SYSTEM WAS THOROUGHLY INSPECTED AND DETERMINED TO BE IN SATISFACTORY WORKING CONDITION. THE CARGO HOOK AND SUSPENSION ASSEMBLY WAS REPLACED, MANUAL RELEASE SYSTEM WAS RIGGED, AND TESTS PERFORMED ON BOTH THE MANUAL AND ELECTRICAL RELEASE SYSTEMS OF THE CARGO HOOK.
Part: CARGO HOOK — MALFUNCTIONED (WATER BUCKET)
UTILIZING A BAMBI BUCKET FOR WATER BOMBER, AC EXPERIENCED 2 UNCOMMANDED LOAD RELEASES. MAINT SUSPECTED A PROBLEM WITH D-RING COMPATIBILITY WAS CONDUCTED WITH NO ANOMILIES NOTED. ELEC AND MANUAL LOAD JETTISON SYS WERE TESTED, NO ANOMILIES NOTED. SEVERAL LOAD HOOKUP AND LOAD RELEASE FUNCTIONAL TESTS WERE PERFORMED, NO ANOMILIES NOTED. POSSIBILITY THAT CARGO HOOK HAD NOT BEEN PROPERLY LOCKED IN CLOSED POSITION. OPERATIONS WERE RESUMED. ANOTHER UNCOMMANDED LOAD RELEASE WAS EXPERIENCED, MAINT ONSITE PERFORMED RIGGING OPER ON MAN RELEASE SYSTEM AND DETAILED INSPECTION OF KNOWN PROBLEM AREAS OF CARGO HOOK WIRING. MINOR DISCREP IN MANUAL RELEASE SYS RIGGING WHICH WERE RATIFIED AND THE AC WAS RETURNED TO SERVICE.
Part: WIRE — DEFECTIVE (FLOW SWITCH)
FLOW SWITCH HAD A BROKEN WIRE FROM STOCK. CAUSED AIRCRAFT TO HAVE LATE DEPARTURE
Part: ENGINE — FAILED (NR 2)
ON APPROACH TO REMOTE LANDING ZONE, WAITING FOR PREVIOUS A/C TO DEPART, PILOT WAS HOLDING IN PATTERN FOR LANDING AT APPROXIMATELY 50 KNOTS AND 400 FEET AGL. WHILE HOLDING, PILOT HEARD ENGINE OUT WARNING AUDIO AND VERIFIED NR 2 ENGINE POWER LOSS. HE THEN EXECUTED A SINGLE ENGINE LANDING TO A CONFINED AREA WITH DAMAGE TO M/R BLADE, T/R BLADES, AND SYNCHRONIZED ELEVATOR. THE A/C WAS THEN SHUT DOWN. AWAITING A/C EXTRACTION AND TEARDOWN FOR FURTHER DETAILS.
Part: GEARBOX — MAKING METAL (ENGINE)
HEAVY TO MODERATE NOISE AND VIBRATION IN-FLIGHT. EXCESSIVE METAL IN FILTER (C-BOX).
Part: GEARBOX — BINDING (M/R)
GEARBOX BINDING AND MAKING NOISE WHEN TURNED BY HAND. NON-METALIC CONTAMINATION FOUND ON OIL PUMP INLET SCREEN AND IN SUMP AND INTERNAL FILTER.