The total failure of the helicopter's right main rotor shaft while in an ascending hover due to the propagation of a fatigue crack that initiated in a corrosion pit on the surface of a slot in the wall of the subject shaft. Factors include accumulation of corrosion on the surface of the shaft.
N286M
KAMAN K-600
Rotorcraft · Turbo-prop
2 NTSB records
for this tail number, including substantial damage, 1 fatal injury. See the full record below.
Registration
Airframe
Powerplant
Live Flight Status
Checking live traffic…
Coverage depends on ground receiver reception and is not a complete picture of traffic.
Transponder & Tracking
The hex code is the aircraft's ICAO 24-bit address, broadcast by its ADS-B transponder. It is the key used to match live position reports to this registration.
Ownership History: 1 prior registration
| Registrant | Location | Cancelled |
|---|---|---|
| PITT AIRLINES INC | WEST MIFFLIN, PA | Jul 10, 1970 |
NTSB Accident & Incident Record
Nov 20, 2003
Accident
Substantial Nordman, ID
Injuries1 fatal
Phase of Flight-
ConditionsVMC
OperationFAR 133
Probable Cause
NTSB SEA04LA019
May 21, 2002
Incident
Cocolalla, ID
InjuriesNone
Phase of Flight-
ConditionsVMC
OperationFAR 133
Probable Cause
The reverse installation of the RPM compensator assembly control box bolts resulting in the threaded end of the bolt impinging on a clevis and jamming the collective during climb. A contributing factor was the lack of adequate documentation provided by the technical order instruction for installation of the compensator.
NTSB SEA02IA096