N604X

Cancelled 1975

Deregistered aircraft · Sikorsky S-55B

Cancelled
December 22, 1975
Status when cancelled
Valid registration
Serial number
55459
Type
Rotorcraft
Certificate issued
March 8, 1972
Mode S code
A7D828
Owner when cancelled
Trans Alaska Helicopters Inc
Location
Seattle, WA
Owner type
Corporation

From the FAA registry file of October 29, 2026, cancelled registrations. Owners’ street addresses are left out. The Mode S code belongs to the N-number, not the airframe.