The U.S. aircraft register, updated daily
Deregistered · FAA record as of October 2, 2026
N521AC

N521AC is not currently registered. It was last assigned to a Sikorsky S-76A. The FAA cancelled the registration on December 14, 1983. The last status on file was "valid registration".

N521AC is reserved by Alticor INC since December 23, 2019. Reservation type: Fee paid. An expiration notice was issued on October 23, 2026.

Sikorsky S-76A cancelled December 14, 1983

Serial number
760159
Type
Rotorcraft · Turboshaft
Year built
—
Last status
Valid registration
Certificate issued
February 1, 1982
Last FAA action
—
Last owner
Amway CORP (Corporation)
Ada, MI
Airworthiness
None on file

NTSB accident and incident record under N521AC

CHI83FA428Accident on September 14, 1983 at Chicago, IL: minor injuries, destroyed.

Aircraft on the NTSB record: Sikorsky S-76A · serial 760159

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