The U.S. aircraft register, updated daily
Deregistered · FAA record as of October 2, 2026
N3942H

N3942H is not currently registered. It was last assigned to an Ercoupe 415-D built in 1947. The FAA cancelled the registration on November 3, 2010. The last status on file was "first notice for re-registration or renewal".

Ercoupe 415-D cancelled November 3, 2010

Serial number
4643
Type
Fixed-wing, single engine · Piston (reciprocating)
Year built
1947
Last status
First notice for re-registration or renewal
Certificate issued
March 9, 2005
Last FAA action
March 18, 2008
Last owner
Wathen Thomas W Trustee (Individual)
Santa Barbara, CA
Airworthiness
Standard

NTSB accident and incident record under N3942H

LAX08CA094Accident on March 20, 2008 at Riverside, CA: no injuries, substantial damage.

Aircraft on the NTSB record: Ercoupe (Eng & Research Corp.) 415-D · serial 4643

Water contamination of the fuel system due to the pilot's inadequate preflight and failure to adequately drain the water from the fuel system.

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