| Tail Number / N-Number | N54CK |
| Manufacturer | MITSUBISHI |
| Model | MU-2B-20 |
| Year Built | 1968 |
| Manufacturer's Serial Number | 135 |
| 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 | LLC |
| Owner Name | NEWTON PROPERTY LEASING LLC |
| Street | 2875 NOBLE AVE |
| City | GREENE |
| State | IA |
| Zip Code | 50636-9244 |
| Region | Central |
| County | Butler County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1971-10-04 |
| Certificate Issue Date | 2021-11-20 |
| Last Action Date | 2021-11-20 |
| Expiration Date | 2028-11-30 |
| Status | Valid Registration |
| Mode S Code | 51552717 |
| Mode S Code Hex | A6D5CF |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N54CK.
| Tail Number / N-Number | N54CK |
| Manufacturer | BEECH |
| Model | B100 |
| Manufacturer's Serial Number | BE73 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 11 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 2 engines |
| Average Cruising Speed | 210 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | DIAMOND AIR INC |
| Street | C/O CORPORATE WINGS INC OPS DIR 26180 CURTISS-WRIGHT PARKWAY |
| City | RICHMOND HEIGHTS |
| State | OH |
| Zip Code | 44143 |
| County | Butler County |
| Country | US |
| Certificate Issue Date | 1996-10-31 |
| Last Action Date | 1996-11-06 |
| Last Status | Valid Registration |
| Cancellation Date | 1998-03-04 |
| Exported To | CANADA |