| Tail Number / N-Number | N51SW |
| Manufacturer | PIPER |
| Model | PA-28-236 |
| Year Built | 1981 |
| Manufacturer's Serial Number | 28-8111048 |
| 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 | 0-540 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 250 hp (187 kW) |
| Type of Registrant | Corporation |
| Owner Name | DELAWARE VALLEY AVIATION INC |
| Street | C/O TODD WARNER 867 DUXBURY DR |
| City | LANGHORNE |
| State | PA |
| Zip Code | 19047-3634 |
| Region | Eastern |
| County | Bucks County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2001-08-03 |
| Certificate Issue Date | 2016-02-11 |
| Last Action Date | 2021-09-15 |
| Expiration Date | 2029-02-28 |
| Status | Valid Registration |
| Mode S Code | 51460273 |
| Mode S Code Hex | A660BB |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N51SW.
| Tail Number / N-Number | N51SW |
| Manufacturer | BOEING |
| Model | 737-2H4 |
| Manufacturer's Serial Number | 21448 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 124 seats |
| Weight Class | CLASS 3 (20,000+ pounds gross take off weight) |
| Number of Engines | 2 engines |
| Average Cruising Speed | 388 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | AAR AIRCRAFT & ENGINE GROUP INC |
| Street | 1100 N WOOD DALE RD |
| City | WOOD DALE |
| State | IL |
| Zip Code | 60191-1060 |
| County | Bucks County |
| Country | US |
| Certificate Issue Date | 1999-02-18 |
| Last Action Date | 1999-02-19 |
| Last Status | Valid Registration |
| Cancellation Date | 1999-03-23 |
| Exported To | PHILIPPINES |