| Tail Number / N-Number | N300GD |
| Manufacturer | BELL TEXTRON CANADA LTD |
| Model | 505 |
| Year Built | 2022 |
| Manufacturer's Serial Number | 65427 |
| Aircraft Type | Rotorcraft |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 5 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | SAFRAN |
| Engine Model | ARRIUS 2R |
| Engine Type | Turbo-shaft |
| Number of Engines | 1 engine |
| Horsepower | 460 hp (343 kW) |
| Type of Registrant | LLC |
| Owner Name | JEM SPIN LLC |
| Street | 43 HARVEY RD |
| City | BEDFORD |
| State | NH |
| Zip Code | 03110-6805 |
| Region | New England |
| County | Hillsborough County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2022-10-26 |
| Certificate Issue Date | 2022-10-06 |
| Last Action Date | 2022-10-06 |
| Expiration Date | 2029-10-31 |
| Status | Valid Registration |
| Mode S Code | 50617754 |
| Mode S Code Hex | A31FEC |
Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N300GD.
| Tail Number / N-Number | N300GD |
| Manufacturer | CESSNA |
| Model | 425 |
| Year Built | 1980 |
| Manufacturer's Serial Number | 425-0074 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 12 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | P&W CANADA |
| Engine Model | PT6A-112 |
| Engine Type | Turbo-prop |
| Number of Engines | 2 engines |
| Horsepower per Engine | 500 hp (373 kW) |
| Total Horsepower | 1,000 hp (746 kW) |
| Type of Registrant | LLC |
| Owner Name | DOWNING AVIATION LLC |
| Street | 11201 WATERS WELLING WAY |
| City | EDMOND |
| State | OK |
| Zip Code | 73013-0458 |
| County | Hillsborough County |
| Country | US |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2010-09-10 |
| Certificate Issue Date | 2010-08-05 |
| Last Action Date | 2018-01-24 |
| Last Status | Valid Registration |
| Cancellation Date | 2020-02-04 |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N300GD.
| Tail Number / N-Number | N300GD |
| Manufacturer | GLASER DIRKS |
| Model | DG 300 |
| Year Built | 1983 |
| Manufacturer's Serial Number | 3E3 |
| Aircraft Type | Glider |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 1 seat |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | NONE |
| Engine Model | NONE |
| Number of Engines | 0 engines |
| Type of Registrant | Individual |
| Owner Name | CHOATE BRIAN M |
| Street | 401 PANORAMIC WAY APT A |
| City | BERKELEY |
| State | CA |
| Zip Code | 94704-2532 |
| County | Hillsborough County |
| Country | US |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1983-06-14 |
| Certificate Issue Date | 2002-05-01 |
| Last Action Date | 2005-04-19 |
| Last Status | The Triennial Aircraft Registration form was mailed and has not been returned by the Post Office |
| Cancellation Date | 2005-05-04 |
| Exported To | NEW ZEALAND |