| Tail Number / N-Number | N978M |
| Manufacturer | IAI LTD |
| Model | GULFSTREAM G280 |
| Year Built | 2018 |
| Manufacturer's Serial Number | 2144 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 21 seats |
| Weight Class | CLASS 3 (20,000+ pounds gross take off weight) |
| Engine Manufacturer | HONEYWELL |
| Engine Model | AS907-2-1G |
| Engine Type | Turbo-fan |
| Number of Engines | 2 engines |
| Thrust per Engine | 7,765 pounds-force (34.5 kN) |
| Total Thrust | 15,530 pounds-force (69.1 kN) |
| Type of Registrant | LLC |
| Owner Name | GALENA SERVICES LLC |
| Street | 5050 S SYRACUSE ST STE 700 |
| City | DENVER |
| State | CO |
| Zip Code | 80237-3390 |
| Region | Northwest Mountain |
| County | Denver County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2018-03-29 |
| Certificate Issue Date | 2018-12-04 |
| Last Action Date | 2021-09-09 |
| Expiration Date | 2028-12-31 |
| Status | Valid Registration |
| Mode S Code | 53321160 |
| Mode S Code Hex | ADA270 |
Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N978M.
| Tail Number / N-Number | N978M |
| Manufacturer | DIAMOND AIRCRAFT IND INC |
| Model | DA 40 |
| Year Built | 2006 |
| Manufacturer's Serial Number | 40.736 |
| 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 | LYCOMING |
| Engine Model | IO-360-M1A+ |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 180 hp (134 kW) |
| Type of Registrant | Individual |
| Owner Name | SPERLING ROBERT A JR |
| Street | 22 E LAKE DR |
| City | ANNAPOLIS |
| State | MD |
| Zip Code | 21403-4413 |
| County | Denver County |
| Country | US |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2007-01-17 |
| Certificate Issue Date | 2011-01-10 |
| Last Action Date | 2011-01-10 |
| Last Status | Valid Registration |
| Cancellation Date | 2012-06-13 |
| Exported To | AUSTRALIA |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N978M.
| Tail Number / N-Number | N978M |
| Manufacturer | BIRD |
| Model | BK |
| Manufacturer's Serial Number | 2079-59 |
| Aircraft Type | Fixed wing single engine |
| 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 | 84 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | THE WALZ CORP |
| Street | 23RD & WESTMORELAND ST |
| City | PHILADELPHIA |
| State | PA |
| Zip Code | 19101 |
| Region | Eastern |
| County | Denver County |
| Last Status | Valid Registration |
| Cancellation Date | 1933-06-07 |