N89678 is not currently registered. It was last assigned to a Cobb Intl Inc Dba Rotorway Int ROTORWAY EXEC 90. The FAA cancelled the registration on June 26, 2001. The last status on file was "triennial registration form was mailed and has not been returned by the post office". The number has been on and off the register 2 times.
Cobb Intl Inc Dba Rotorway Int ROTORWAY EXEC 90 cancelled June 26, 2001
- Serial number
- R.I. 5026
- Type
- Rotorcraft · Piston (reciprocating)
- Year built
- —
- Last status
- Triennial registration form was mailed and has not been returned by the Post Office
- Certificate issued
- December 2, 1991
- Last FAA action
- February 16, 2000
- Last owner
- Cobb International INC (Corporation)
Chandler, AZ - Airworthiness
- None on file
Cessna 120 cancelled August 1, 1974
- Serial number
- 8726
- Type
- Fixed-wing, single engine · Piston (reciprocating)
- Year built
- 1946
- Last status
- Valid registration
- Certificate issued
- November 21, 1973
- Last FAA action
- —
- Last owner
- Hetzler Ronald L/Lynch Gary (Co-owned)
Madison, WI - Airworthiness
- None on file
NTSB accident and incident record under N89678
Aircraft on the NTSB record: Rotorway Exec 90 · serial RI5026
the fatigue fracture and separation of the secondary drive shaft, which resulted from the manufacturer's inadequate quality control process.
Aircraft on the NTSB record: Rotorway EXEC 9 · serial RI 5026
a loss of engine power due to a failed piston and piston ring in a critical phase of flight.
Aircraft on the NTSB record: Rotorway EXEC-90 · serial RI-5023
THE FLIGHT INSTRUCTOR'S FAILURE TO PROPERLY FOLLOW THE AIRCRAFT BALLASTING PROCEDURES THAT RESULTED IN A LOSS OF CONTROL WHEN THE HELICOPTER'S CENTER OF GRAVITY LIMITS WERE EXCEEDED. INADEQUATE SUPERVISION OF THE TRAINING FLIGHT WAS A FACTOR IN THE ACCIDENT.
Aircraft on the NTSB record: Cobb Intl EXEC 90 · serial R.I. 5026
THE MANUFACTURER'S INADEQUATE QUALITY CONTROL WHICH RESULTED IN THE FATIGUE OF THE VALVE STEM. THE SOFT TERRAIN CONTRIBUTED TO THIS ACCIDENT.
A tail number passes between aircraft over the years; match the serial number on the NTSB record against the airframe above. Source: NTSB aviation accident database, records through September 30, 2026.
Source: FAA Civil Aviation Registry, Releasable Aircraft Database, October 2, 2026. See this number on the FAA site