| Tail Number / N-Number | N540SR |
| Manufacturer | STAUDACHER JON A |
| Model | RATSREPUS 300B |
| Year Built | 1991 |
| Manufacturer's Serial Number | 3 |
| 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 | AMA/EXPR |
| Engine Model | UNKNOWN ENG |
| Number of Engines | 1 engine |
| Type of Registrant | LLC |
| Owner Name | MIDWEST AIRSHOWS LLC |
| Street | 1001 W CUSTER ST |
| City | LINCOLN |
| State | NE |
| Zip Code | 68521-3857 |
| Region | Central |
| County | Lancaster County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2002-11-20 |
| Certificate Issue Date | 2003-06-11 |
| Last Action Date | 2020-02-26 |
| Expiration Date | 2027-07-31 |
| Status | Valid Registration |
| Mode S Code | 51554614 |
| Mode S Code Hex | A6D98C |