N58251
Registered owner: WINDWARD AVIATION INC, HI (owner ≠ operator)
Operators of this aircraft
Who operated this tail, and how firmly we know it.
| Operator | Role | Period | Basis |
|---|---|---|---|
| WINDWARD AVIATION, INC. (WVXA) | Operator | 2020-10-27 – 2020-10-27 | Operator named in NTSB report |
Accident & incident history
Maintenance disclosures
AIRCRAFT WAS IN A 70 FOOT HOVER AND HAD JUST PLACED A SLING LOAD ON THE GROUND WHEN A LOUD BANG OCCURRED THE LOUD BANG WAS THE TURBINE EXPLODING. AT THIS TIME, THE PILOT LOWERED THE COLLECTIVE AND ENTERED AN AUTO ROTATION. AIRCRAFT TOUCHED DOWN IN A LEVEL ATTITUDE WITH MINOR DAMAGE TO AIRFRAME. SUBSEQUENT INSPECTION REVEALED THAT THE NR4 TURBINE WHEEL BURST. (K)
TAIL ROTOR GEARBOX DISASSEMBLED FOLLOWING CHIP LIGHT INDICATION. FOUND OUTPUT SHAFT DUPLEX BEARING SET BAD. INNER RACE OF BEARING SEVERELY GALLED AND FLAKING. SUBMITTER STATED THIS WAS THE SECOND OCCURRENCE OF THIS TYPE FAILURE WITHIN 600 HOURS, AND 17 MONTHS. EXXON 2380 OIL USED.