Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N999MB.
| Tail Number / N-Number | N999MB |
| Manufacturer | CESSNA |
| Model | 421A |
| Manufacturer's Serial Number | 421A0144 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 7 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 2 engines |
| Average Cruising Speed | 172 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | NOB HILL GENERAL INC |
| Street | 1700 WESTWOOD DRIVE |
| City | GILROY |
| State | CA |
| Zip Code | 95050 |
| Region | Western-Pacific |
| Certificate Issue Date | 1976-12-02 |
| Last Status | Valid Registration |
| Cancellation Date | 1977-06-21 |
| Mode S Code | 53372447 |
| Mode S Code Hex | ADF527 |