Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N551BU.
| Tail Number / N-Number | N551BU |
| Manufacturer | BUCKER |
| Model | JUNGMAN BU-131 |
| Year Built | 1961 |
| Manufacturer's Serial Number | E3B-551 |
| 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 | LYCOMING |
| Engine Model | I0360 SER |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 180 hp (134 kW) |
| Type of Registrant | Individual |
| Owner Name | CONKLIN CHARLES E |
| Street | 1196 SALT POINT TPKE |
| City | PLEASANT VALLEY |
| State | NY |
| Zip Code | 12569-7018 |
| Country | US |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1992-09-24 |
| Certificate Issue Date | 1991-06-06 |
| Last Action Date | 2003-10-21 |
| Last Status | The Triennial Aircraft Registration form was mailed and has not been returned by the Post Office |
| Cancellation Date | 2005-08-23 |
| Exported To | SWITZERLAND |
| Mode S Code | 51601516 |
| Mode S Code Hex | A7034E |