| Tail Number / N-Number | N521PA |
| Manufacturer | HUGHES HELICOPTERS INC |
| Model | 369FF |
| Year Built | 1985 |
| Manufacturer's Serial Number | 0015F |
| Aircraft Type | Rotorcraft |
| 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 | ROLLS-ROYC |
| Engine Model | 250-C30 |
| Engine Type | Turbo-shaft |
| Number of Engines | 1 engine |
| Horsepower | 650 hp (485 kW) |
| Type of Registrant | Non Citizen Corporation |
| Owner Name | PATRIOT AVIATION INC |
| Street | ATTN: TERRY DOUGHERTY 3801 KENNETT PIKE BLDG C STE 100 |
| City | GREENVILLE |
| State | DE |
| Zip Code | 19807 |
| Region | Eastern |
| County | New Castle County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2013-05-28 |
| Certificate Issue Date | 2016-03-19 |
| Last Action Date | 2022-01-06 |
| Expiration Date | 2029-03-31 |
| Status | Valid Registration |
| Mode S Code | 51506753 |
| Mode S Code Hex | A68DEB |
Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N521PA.
| Tail Number / N-Number | N521PA |
| Manufacturer | BRITISH AEROSPACE |
| Model | BAE JETSTREAM 3101 |
| Manufacturer's Serial Number | 702 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 19 seats |
| Weight Class | CLASS 2 (12,500 - 19,999 pounds gross take off weight) |
| Engine Manufacturer | AMA/EXPR |
| Engine Model | UNKNOWN ENG |
| Number of Engines | 2 engines |
| Type of Registrant | Corporation |
| Owner Name | PAN AM RAILWAYS INC |
| Street | 14 AVIATION AVE |
| City | PORTSMOUTH |
| State | NH |
| Zip Code | 03801 |
| County | New Castle County |
| Country | US |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1986-08-04 |
| Certificate Issue Date | 2002-10-31 |
| Last Action Date | 2006-10-03 |
| Last Status | The Triennial Aircraft Registration form was mailed and has not been returned by the Post Office |
| Cancellation Date | 2009-09-15 |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N521PA.
| Tail Number / N-Number | N521PA |
| Manufacturer | GATES LEARJET CORP. |
| Model | 35A |
| Manufacturer's Serial Number | 239 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 10 seats |
| Weight Class | CLASS 2 (12,500 - 19,999 pounds gross take off weight) |
| Number of Engines | 2 engines |
| Average Cruising Speed | 400 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | PHOENIX AIR GROUP INC |
| Street | 100 PHOENIX AIR DR SW |
| City | CARTERSVILLE |
| State | GA |
| Zip Code | 30120 |
| County | New Castle County |
| Country | US |
| Certificate Issue Date | 1992-09-17 |
| Last Action Date | 1992-10-27 |
| Last Status | Valid Registration |
| Cancellation Date | 1995-06-01 |