The U.S. aircraft register, updated daily
The register · data as of October 7, 2026

Aircraft with Lycoming IO-540 series engines built in the 1940s

2 on the U.S. register, newest registrations first. This is the list behind a number on another page; the words above say exactly what it counts. Individuals are not named at this time; companies, trusts and government bodies are shown as the FAA publishes them.

Tail no.Maker and modelOwner and baseCertificateRegisteredStatus
N31699 Piper
PA-32-300
Donahue Investments LLC
Port Orange, Florida
Standard 2019-09-23 ValidFAA registration status code V: Valid registration. All codes
N100DD Ryan Aeronautical
NAVION
Individual owner
Colorado
Standard 2019-03-26 ValidFAA registration status code V: Valid registration. All codes