| Tail Number / N-Number | N251M |
| Manufacturer | BELLANCA |
| Model | CH300 PACEMAKER |
| Year Built | 1929 |
| Manufacturer's Serial Number | 154 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 6 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | P&W |
| Engine Model | R-985 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 450 hp (336 kW) |
| Average Cruising Speed | 91 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | HAWAIIAN AIRLINES INC |
| Street | 3375 KOAPAKA ST STE G350 |
| City | HONOLULU |
| State | HI |
| Zip Code | 96819-1804 |
| Region | Western-Pacific |
| County | Honolulu County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1980-03-27 |
| Certificate Issue Date | 2009-04-14 |
| Last Action Date | 2022-08-18 |
| Expiration Date | 2030-01-31 |
| Status | Valid Registration |
| Mode S Code | 50456110 |
| Mode S Code Hex | A25C48 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N251M.
| Tail Number / N-Number | N251M |
| Manufacturer | MITSUBISHI |
| Model | MU-2B |
| Year Built | 1966 |
| Manufacturer's Serial Number | 013 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 9 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | AIRESEARCH |
| Engine Model | 331 SER 605HP |
| Engine Type | Turbo-prop |
| Number of Engines | 2 engines |
| Horsepower per Engine | 605 hp (451 kW) |
| Total Horsepower | 1,210 hp (903 kW) |
| Average Cruising Speed | 147 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | INTERNATIONAL BUSINESS AIRCRAFT INC |
| Street | PO BOX 51141 |
| City | TULSA |
| State | OK |
| Zip Code | 74151 |
| County | Honolulu County |
| Country | US |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1966-09-12 |
| Last Action Date | 2004-04-01 |
| Last Status | Valid Registration |
| Cancellation Date | 2004-04-01 |