N121MJ

1984 Cessna 550

Fixed-wing, multi-engine · serial 550-0489

Valid registration

Registered with the FAA until Aug 31, 2027.

Registered owner

Ial Corp

Owner type: Corporation
Address: 16192 Coastal Hwy, Lewes, DE 19958
Fleet: 31 aircraft registered to this owner

Aircraft

Make and model: Cessna 550
Year built: 1984
Serial number: 550-0489
Type: Fixed-wing, multi-engine · Land
Engines: 2 × Turbofan · P&w Canada JT15D-4 · 2,500 lb thrust
Seats: 8
Weight class: 12,500 to 19,999 lb
Certification: Type certificated · Standard airworthiness (issued Mar 27, 1989)
Mode S code: A05885 (the transponder's ICAO address, used by ADS-B flight trackers)
Registered since: Aug 7, 2017 · last FAA action Dec 7, 2024

What a Cessna Citation II looks likePhoto of a Cessna Citation II, not this aircraft: Adrian Pingstone, Public domain, via Wikimedia Commons

Check the official record

This page mirrors the FAA's public registry file dated Oct 30, 2026. The FAA's own N-number inquiry is the official record, with the full owner address and documents.

Where is it now?

The registry doesn't show where an aircraft is flying. Flight trackers do, by tail number or Mode S code A05885: FlightAware or ADS-B Exchange. Some owners block tracking through the FAA's privacy programs.

Something wrong?

Owners update their registration with the FAA Aircraft Registry; changes appear here the day after the FAA publishes them. Email admin@whoownsthisplane.com about how this site shows a record.