N423CS

2006 Cessna 525B

Fixed-wing, multi-engine · serial 525B0121

Valid registration

Registered with the FAA until Nov 30, 2032.

Registered owner

Mountain Crest Holding LLC

Owner type: LLC
Address: 1380 Wisconsin Ave, Whitefish, MT 59937

Aircraft

Make and model: Cessna 525B
Year built: 2006
Serial number: 525B0121
Type: Fixed-wing, multi-engine · Land
Engines: 2 × Turbofan · Williams FJ44-3A · 2,820 lb thrust
Seats: 8
Weight class: 12,500 to 19,999 lb
Certification: Type certificated · Standard airworthiness (issued Nov 30, 2006)
Mode S code: A50707 (the transponder's ICAO address, used by ADS-B flight trackers)
Registered since: Nov 13, 2025 · last FAA action Nov 13, 2025

What a Cessna CitationJet looks likePhoto of a Cessna CitationJet, not this aircraft: Alf van Beem, CC0, 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 A50707: FlightAware or ADS-B Exchange. Some owners block tracking through the FAA's privacy programs.

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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.