| Tail Number / N-Number | N3951A |
| Manufacturer | AMERICAN EUROCOPTER CORP |
| Model | AS350B3 |
| Year Built | 2010 |
| Manufacturer's Serial Number | 4993 |
| Aircraft Type | Rotorcraft |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 7 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | TURBOMECA |
| Engine Model | ARRIEL 2B1 |
| Engine Type | Turbo-shaft |
| Number of Engines | 1 engine |
| Horsepower | 747 hp (557 kW) |
| Type of Registrant | Government |
| Owner Name | US DEPARTMENT OF HOMELAND SECURITY |
| Other Names |
|
| Street | 1300 PENNSYLVANIA AVE NW RM 6.4A |
| City | WASHINGTON |
| State | DC |
| Zip Code | 20229-0002 |
| Region | Eastern |
| County | District of Columbia |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2010-06-02 |
| Certificate Issue Date | 2010-12-20 |
| Last Action Date | 2022-12-16 |
| Expiration Date | 2029-12-31 |
| Status | Valid Registration |
| Mode S Code | 51113730 |
| Mode S Code Hex | A497D8 |
Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N3951A.
| Tail Number / N-Number | N3951A |
| Manufacturer | BOEING |
| Model | 707-123B |
| Manufacturer's Serial Number | 17647 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 192 seats |
| Weight Class | CLASS 3 (20,000+ pounds gross take off weight) |
| Number of Engines | 4 engines |
| Average Cruising Speed | 466 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | EXCELAIR INC |
| Street | 8370 WEST FLAGLER ST STE 252 |
| City | MIAMI |
| State | FL |
| Zip Code | 33144 |
| Region | Southern |
| County | District of Columbia |
| Certificate Issue Date | 1983-06-03 |
| Last Status | Valid Registration |
| Cancellation Date | 1984-03-14 |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N3951A.
| Tail Number / N-Number | N3951A |
| Manufacturer | DOUGLAS |
| Model | DC3C |
| Manufacturer's Serial Number | 33076 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 32 seats |
| Weight Class | CLASS 3 (20,000+ pounds gross take off weight) |
| Number of Engines | 2 engines |
| Type of Registrant | Government |
| Owner Name | U S DEPARTMENT OF NAVY |
| Street | 19TH AND CONSTITUTION AVE N W |
| City | WASHINGTON |
| State | DC |
| Zip Code | 20310 |
| Region | Eastern |
| County | District of Columbia |
| Certificate Issue Date | 1956-08-03 |
| Last Status | Valid Registration |
| Cancellation Date | 1971-07-15 |