| Tail Number / N-Number | N91MB |
| Manufacturer | CESSNA |
| Model | 510 |
| Year Built | 2010 |
| Manufacturer's Serial Number | 510-0310 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 7 seats |
| Weight Class | CLASS 2 (12,500 - 19,999 pounds gross take off weight) |
| Engine Manufacturer | P&W CANADA |
| Engine Model | PW615F-A |
| Engine Type | Turbo-fan |
| Number of Engines | 2 engines |
| Thrust per Engine | 1,460 pounds-force (6.5 kN) |
| Total Thrust | 2,920 pounds-force (13.0 kN) |
| Type of Registrant | LLC |
| Owner Name | BRETZ-AZTEC LLC |
| Street | 4800 GRANT CREEK RD |
| City | MISSOULA |
| State | MT |
| Zip Code | 59808-1454 |
| Region | Northwest Mountain |
| County | Missoula County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2010-12-17 |
| Certificate Issue Date | 2011-01-05 |
| Last Action Date | 2022-08-29 |
| Expiration Date | 2030-01-31 |
| Status | Valid Registration |
| Mode S Code | 53112547 |
| Mode S Code Hex | AC9567 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N91MB.
| Tail Number / N-Number | N91MB |
| Manufacturer | CIRRUS DESIGN CORP |
| Model | SR22 |
| Year Built | 2006 |
| Manufacturer's Serial Number | 1973 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 4 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | CONT MOTOR |
| Engine Model | IO-550-N |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 310 hp (231 kW) |
| Type of Registrant | Corporation |
| Owner Name | BOB LAW AIR LLC |
| Street | PO BOX 1317 |
| City | INDIANAPOLIS |
| State | IN |
| Zip Code | 46206-1317 |
| County | Missoula County |
| Country | US |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2006-05-25 |
| Certificate Issue Date | 2006-10-02 |
| Last Action Date | 2006-10-02 |
| Last Status | Valid Registration |
| Cancellation Date | 2007-07-27 |