| Tail Number / N-Number | N91RB |
| Manufacturer | CESSNA |
| Model | 525 |
| Manufacturer's Serial Number | 5250124 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 8 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 2 engines |
| Type of Registrant | LLC |
| Owner Name | CITATION SKY LLC |
| Street | 1221 MELANIE TER |
| City | MOODY |
| State | AL |
| Zip Code | 35004-2410 |
| Region | Southern |
| County | St. Clair County |
| Country | US |
| Fractional Ownership | No |
| Certificate Issue Date | 2016-02-25 |
| Last Action Date | 2021-09-14 |
| Expiration Date | 2029-02-28 |
| Status | Valid Registration |
| Mode S Code | 53112713 |
| Mode S Code Hex | AC95CB |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N91RB.
| Tail Number / N-Number | N91RB |
| Manufacturer | BARTHELEMY RONNIE P |
| Model | KR-2 |
| Manufacturer's Serial Number | RB-1 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 2 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | REVMASTER |
| Engine Model | 2100 |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 65 hp (48 kW) |
| Type of Registrant | Individual |
| Owner Name | GILMORE JOHN E |
| Street | 503 EXPLORER ST |
| City | AUSTIN |
| State | TX |
| Zip Code | 78734-3439 |
| County | St. Clair County |
| Country | US |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1986-04-21 |
| Certificate Issue Date | 1995-11-16 |
| Last Action Date | 2008-10-21 |
| Last Status | The Triennial Aircraft Registration form was mailed and has not been returned by the Post Office |
| Cancellation Date | 2008-11-06 |