The U.S. aircraft register, updated daily
Deregistered · FAA record as of October 2, 2026
N155NK

N155NK is not currently registered. It was last assigned to an Air ATR72. The FAA cancelled the registration on November 8, 2012 when the aircraft was exported to Denmark. The last status on file was "valid registration". The number has been on and off the register 2 times.

Air ATR72 cancelled November 8, 2012

Serial number
555
Type
Fixed-wing, multi-engine · Turboprop
Year built
—
Last status
Valid registration
Exported to
Denmark
Certificate issued
January 6, 2012
Last FAA action
May 14, 2012
Last owner
Wells Fargo Bank Northwest Na Trustee (Corporation)
Salt Lake City, UT
Airworthiness
None on file

Soper Steven E S-1T cancelled date not given

Serial number
SS186
Type
Fixed-wing, single engine · Piston (reciprocating)
Year built
—
Last status
N-number assigned but not yet registered
Certificate issued
—
Last FAA action
—
Last owner
Withheld
Airworthiness
None on file

NTSB accident and incident record under N155NK

DEN86FA211Accident on July 27, 1986 at Shelby, MT: serious injuries, destroyed.

Aircraft on the NTSB record: Steven Soper PITTS S-1T · serial SS-186

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