Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N503FM.
| Tail Number / N-Number | N503FM |
| Manufacturer | MOMMSEN FRANK J |
| Model | CLIPPER |
| Year Built | 2004 |
| Manufacturer's Serial Number | 0016 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 1 seat |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | ROTAX |
| Engine Model | SEE BOMBADIER |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Type of Registrant | Individual |
| Owner Name | SALE REPORTED |
| Street | 1773 MARTIN AVE |
| City | SHERIDAN |
| State | WY |
| Zip Code | 82801-5923 |
| Country | US |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2004-11-02 |
| Last Action Date | 2007-11-19 |
| Last Status | Sale Reported – Canceled |
| Cancellation Date | 2013-08-28 |
| Mode S Code | 51442636 |
| Mode S Code Hex | A6459E |