Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N4255P.
| Tail Number / N-Number | N4255P |
| Manufacturer | PIPER |
| Model | PA-23-160 |
| Manufacturer's Serial Number | 231754 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 5 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 2 engines |
| Average Cruising Speed | 150 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | CRABTREE AIRCRAFT CO |
| Street | 520 AIRPORT RD |
| City | GUTHRIE |
| State | OK |
| Zip Code | 73044 |
| Country | US |
| Last Action Date | 1992-11-27 |
| Last Status | Valid Registration |
| Cancellation Date | 1994-04-15 |
| Mode S Code | 51210507 |
| Mode S Code Hex | A51147 |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N4255P.
| Tail Number / N-Number | N4255P |
| Manufacturer | ROBINSON HELICOPTER |
| Model | R44 |
| Year Built | 2009 |
| Manufacturer's Serial Number | 2020 |
| 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 | LYCOMING |
| Engine Model | O-540-F1B5 |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 260 hp (194 kW) |
| Type of Registrant | Corporation |
| Owner Name | ROBINSON HELICOPTER CO |
| Street | 2901 AIRPORT DR |
| City | TORRANCE |
| State | CA |
| Zip Code | 90505-6115 |
| Country | US |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2009-02-11 |
| Last Action Date | 2009-02-13 |
| Last Status | Aircraft registered to the manufacturer under their Dealer Certificate |
| Cancellation Date | 2010-01-04 |
| Exported To | AUSTRALIA |
| Mode S Code | 51210507 |
| Mode S Code Hex | A51147 |