N186S is not currently registered. It was last assigned to a Sheehan Michael F SPECIAL. The FAA cancelled the registration on March 12, 2018. The last status on file was "registration expired, pending cancellation". The number has been on and off the register 3 times.
Sheehan Michael F SPECIAL cancelled March 12, 2018
- Serial number
- 1
- Type
- Fixed-wing, single engine · Four-cycle piston
- Year built
- —
- Last status
- Registration expired, pending cancellation
- Certificate issued
- January 21, 2009
- Last FAA action
- November 18, 2013
- Last owner
- Sheehan Michael F (Individual)
Riverside, CA - Airworthiness
- None on file
Stevens William RAF 2000 GTX SE cancelled September 23, 2003
- Serial number
- H2-00-11-479
- Type
- Rotorcraft · Piston (reciprocating)
- Year built
- 2001
- Last status
- Valid registration
- Certificate issued
- March 23, 2001
- Last FAA action
- March 23, 2001
- Last owner
- Stevens William (Individual)
Lancaster, OH - Airworthiness
- Experimental · Amateur built
Schicora William R OSPREY 2 cancelled June 10, 1996
- Serial number
- 831
- Type
- Fixed-wing, single engine · Piston (reciprocating)
- Year built
- —
- Last status
- Triennial registration form was mailed and has not been returned by the Post Office
- Certificate issued
- February 26, 1993
- Last FAA action
- March 20, 1996
- Last owner
- Voightlander Chris F (Co-owned)
Yucca Valley, CA - Airworthiness
- None on file
NTSB accident and incident record under N186S
Aircraft on the NTSB record: William Stevens RAF2000 · serial H2-00-11-479
Separation of the engine computer wire and connector, which resulted in a partial loss of engine power.
Aircraft on the NTSB record: Schicora OSPREY 2 · serial 831
THE FAILURE OF THE PILOT FLYING TO ATTAIN ADEQUATE AIRSPEED FOR LIFT OFF AND THE RESULTING INADVERTENT STALL MUSH CONDITION DURING THE INITIAL CLIMB.
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