The U.S. aircraft register, updated daily
Deregistered · FAA record as of October 2, 2026
N18DF

N18DF is not currently registered. It was last assigned to a Cessna 421. The FAA cancelled the registration on August 9, 1991. The last status on file was "triennial registration form was mailed and has not been returned by the post office".

Cessna 421 cancelled August 9, 1991

Serial number
4210126
Type
Fixed-wing, multi-engine · Piston (reciprocating)
Year built
—
Last status
Triennial registration form was mailed and has not been returned by the Post Office
Certificate issued
August 21, 1985
Last FAA action
June 21, 1991
Last owner
Executive Airmotive INC (Corporation)
Wheat Ridge, CO
Airworthiness
None on file

NTSB accident and incident record under N18DF

DEN91LA066Accident on May 1, 1991 at Englewood, CO: minor injuries, substantial damage.

Aircraft on the NTSB record: Cessna 421 · serial 421-126

POWER LOSS ON BOTH ENGINES AS A RESULT OF EXHAUST SYSTEM FAILURE.

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