Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N5721P.
| Tail Number / N-Number | N5721P |
| Manufacturer | PIPER |
| Model | PA-24-180 |
| Year Built | 1959 |
| Manufacturer's Serial Number | 24-795 |
| 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 | O&VO-360 SER |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 180 hp (134 kW) |
| Average Cruising Speed | 120 miles per hour |
| Type of Registrant | Individual |
| Owner Name | SALE REPORTED |
| Street | NONE |
| City | XXX |
| State | OK |
| Zip Code | 73125 |
| Country | US |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1959-03-02 |
| Last Action Date | 2010-03-29 |
| Last Status | Sale reported |
| Cancellation Date | 2010-05-27 |
| Exported To | INDIA |
| Mode S Code | 51654140 |
| Mode S Code Hex | A75860 |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N5721P.
| Tail Number / N-Number | N5721P |
| Manufacturer | PHYSICAL SCIENCES INC |
| Model | INSTANTEYE MK-2 GEN3 |
| Manufacturer's Serial Number | 0030210300048 |
| Aircraft Type | Rotorcraft |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 0 seats |
| Weight Class | CLASS 4 (UAV up to 55 pounds gross take off weight) |
| Number of Engines | 4 engines |
| Last Action Date | 2015-07-14 |
| Last Status | N-Number assigned as a Non Type Certificated (Amateur) but has not been registered that is pending cancellation |
| Cancellation Date | 2016-02-17 |
| Mode S Code | 51654140 |
| Mode S Code Hex | A75860 |