The U.S. aircraft register, updated daily
Deregistered · FAA record as of October 2, 2026
N506WW

N506WW is not currently registered. It was last assigned to a Hughes 369HS. The FAA cancelled the registration on March 25, 1992. The last status on file was "triennial registration form was mailed and has not been returned by the post office".

Hughes 369HS cancelled March 25, 1992

Serial number
150699S
Type
Rotorcraft · Turboshaft
Year built
—
Last status
Triennial registration form was mailed and has not been returned by the Post Office
Certificate issued
August 29, 1988
Last FAA action
February 24, 1992
Last owner
Steffen Tim DBA (Individual)
Branson, MO
Airworthiness
None on file

NTSB accident and incident record under N506WW

MKC89FA004Accident on October 8, 1988 at Branson, MO: serious injuries, substantial damage.

Aircraft on the NTSB record: Hughes 500C · serial 150699S

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