The U.S. aircraft register, updated daily
Deregistered · FAA record as of October 2, 2026
N3786A

N3786A is not currently registered. It was last assigned to a Biesemeier David I SMYTH SIDEWINDER built in 1981. The FAA cancelled the registration on April 1, 2015. The last status on file was "second notice for registration renewal". The number has been on and off the register 2 times.

Biesemeier David I SMYTH SIDEWINDER cancelled April 1, 2015

Serial number
212581
Type
Fixed-wing, single engine · Piston (reciprocating)
Year built
1981
Last status
Second notice for registration renewal
Certificate issued
September 15, 1980
Last FAA action
April 9, 2012
Last owner
Biesemeier David I (Individual)
Loveland, CO
Airworthiness
Experimental · Amateur built

Piper PA-18-135 cancelled February 5, 1979

Serial number
18-3391
Type
Fixed-wing, single engine · Piston (reciprocating)
Year built
—
Last status
Valid registration
Certificate issued
June 13, 1961
Last FAA action
—
Last owner
Oonk George B (Individual)
Saint Louis, MO
Airworthiness
None on file

NTSB accident and incident record under N3786A

CEN14FA072Accident on November 27, 2013 at Boulder, CO: fatal, destroyed (1 fatal).

Aircraft on the NTSB record: Biesemeier David I SMYTH SIDEWINDER · serial 212581

The pilot’s abrupt maneuver, which exceeded the structural limits of the left wing and resulted in its in-flight separation.

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