N4550X

1975 Piper PA-28-140

Fixed-wing, single engine · serial 28-7625053

Valid registration

Registered with the FAA until May 31, 2030.

Registered owner

Altitude LLC

Owner type: LLC
Address: 4204 Sprecher Rd, Madison, WI 53718

Aircraft

Make and model: Piper PA-28-140
Year built: 1975
Serial number: 28-7625053
Type: Fixed-wing, single engine · Land
Engines: 1 × Piston · Lycoming 0-320 SERIES · 180 hp
Seats: 4
Weight class: Up to 12,499 lb
Certification: Type certificated · Standard airworthiness (issued Oct 22, 1975)
Mode S code: A5871D (the transponder's ICAO address, used by ADS-B flight trackers)
Registered since: May 24, 2023 · last FAA action May 24, 2023

What a Piper Cherokee looks likePhoto of a Piper Cherokee, not this aircraft: Mike Burdett, CC BY-SA 2.0, 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 A5871D: 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.