Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N5531X.
| Tail Number / N-Number | N5531X |
| Manufacturer | AERO COMMANDER |
| Model | S2R |
| Year Built | 1973 |
| Manufacturer's Serial Number | 1731R |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 1 seat |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | P&W |
| Engine Model | R1340 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 600 hp (448 kW) |
| Average Cruising Speed | 119 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | AUFDERHEIDE FLYING SERVICE INC |
| Street | 1475 MARY LOUISE RD |
| City | DEWITT |
| State | AR |
| Zip Code | 72042-2996 |
| Country | US |
| Airworthiness Classification | Restricted |
| Airworthiness Date | 1973-03-19 |
| Certificate Issue Date | 2006-09-26 |
| Last Action Date | 2009-10-20 |
| Last Status | The Triennial Aircraft Registration form was mailed and has not been returned by the Post Office |
| Cancellation Date | 2011-09-27 |
| Mode S Code | 51606441 |
| Mode S Code Hex | A70D21 |