| Tail Number / N-Number | N978B |
| Manufacturer | BEECH |
| Model | D50E |
| Year Built | 1961 |
| Manufacturer's Serial Number | DH-314 |
| Aircraft Type | Fixed wing multi 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 | LYCOMING |
| Engine Model | GO-480 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 2 engines |
| Horsepower per Engine | 295 hp (220 kW) |
| Total Horsepower | 590 hp (440 kW) |
| Average Cruising Speed | 167 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | BANK OF UTAH TRUSTEE |
| Street | 50 SOUTH 200 EAST STE 110 |
| City | SALT LAKE CITY |
| State | UT |
| Zip Code | 84111 |
| Region | Northwest Mountain |
| County | Salt Lake County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1961-09-11 |
| Certificate Issue Date | 2014-01-03 |
| Last Action Date | 2022-11-03 |
| Expiration Date | 2030-01-31 |
| Status | Valid Registration |
| Mode S Code | 53320566 |
| Mode S Code Hex | ADA176 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N978B.
| Tail Number / N-Number | N978B |
| Manufacturer | BELL |
| Model | 47G |
| Manufacturer's Serial Number | 1379 |
| Aircraft Type | Rotorcraft |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 3 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Average Cruising Speed | 78 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | CHICAGO HELICOPTER AIRWAYS INC |
| Street | 5240 WEST 63RD STREET |
| City | CHICAGO |
| State | IL |
| Zip Code | 60601 |
| Region | Great Lakes |
| County | Salt Lake County |
| Certificate Issue Date | 1955-06-13 |
| Last Status | Valid Registration |
| Cancellation Date | 1958-01-14 |
| Exported To | SWEDEN |