N4575C

Grumman G-21A

Fixed-wing, multi-engine · serial B-120

Valid registration

Registered with the FAA until Oct 31, 2033.

Registered owner

International Air Services Inc Trustee

Owner type
Corporation
Address
123 W Nye Ln Ste 129, Carson City, NV 89706

Registered to a trustee: the bank or trust company holds title for a beneficial owner who isn't named in the public registry. How owner trusts work.

Aircraft

Make and model
Grumman G-21A
Year built
—
Serial number
B-120
Type
Fixed-wing, multi-engine · Amphibian
Engines
2 × Piston · P&w R-985 SERIES · 450 hp
Seats
8
Weight class
Up to 12,499 lb
Certification
Type certificated · Standard airworthiness (issued Dec 12, 1983)
Mode S code
A58F27 (the transponder's ICAO address, used by ADS-B flight trackers)
Registered since
Oct 8, 2026 · last FAA action Oct 8, 2026

Past registrations of N4575C

N-numbers are reused. Each line is an earlier registration, ending on the date the FAA canceled it.

  • May 14, 1957 Cessna 170B · serial 25519 Steinhour F P · Kemmerer, WY