| Tail Number / N-Number | N707DS |
| Manufacturer | SIKORSKY |
| Model | S-76C |
| Year Built | 1997 |
| Manufacturer's Serial Number | 760471 |
| Aircraft Type | Rotorcraft |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 14 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | TURBOMECA |
| Engine Model | ARRIEL 2S1 |
| Engine Type | Turbo-shaft |
| Number of Engines | 2 engines |
| Horsepower per Engine | 833 hp (621 kW) |
| Total Horsepower | 1,666 hp (1,243 kW) |
| Type of Registrant | Corporation |
| Owner Name | WHIRLWIND AVIATION INC |
| Street | 330 AVIATION WAY |
| City | FREDERICK |
| State | MD |
| Zip Code | 21701-4794 |
| Region | Eastern |
| County | Frederick County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2018-10-15 |
| Certificate Issue Date | 2018-10-11 |
| Last Action Date | 2021-05-18 |
| Expiration Date | 2028-10-31 |
| Status | Valid Registration |
| Mode S Code | 52267353 |
| Mode S Code Hex | A96EEB |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N707DS.
| Tail Number / N-Number | N707DS |
| Manufacturer | TOP DOG |
| Model | 503 |
| Year Built | 2000 |
| Manufacturer's Serial Number | 001 |
| Aircraft Type | Weight-shift-control |
| Category | Land |
| Builder Certification | Light Sport |
| Number of Seats | 2 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | ROTAX |
| Engine Model | 503ULDCDI |
| Engine Type | 2 Cycle |
| Number of Engines | 1 engine |
| Horsepower | 52 hp (39 kW) |
| Type of Registrant | Individual |
| Owner Name | SALE REPORTED |
| Street | XXX |
| City | NONE |
| State | OK |
| Zip Code | 73125 |
| County | Frederick County |
| Country | US |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2008-01-04 |
| Last Action Date | 2011-08-18 |
| Last Status | Sale Reported – Pending Cancellation |
| Cancellation Date | 2013-04-17 |