Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N3981P.
| Tail Number / N-Number | N3981P |
| Manufacturer | CESSNA |
| Model | 310 |
| Year Built | 1956 |
| Manufacturer's Serial Number | 35358 |
| 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) |
| Engine Manufacturer | CONT MOTOR |
| Engine Model | O-470 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 2 engines |
| Horsepower per Engine | 230 hp (172 kW) |
| Total Horsepower | 460 hp (343 kW) |
| Average Cruising Speed | 167 miles per hour |
| Type of Registrant | Individual |
| Owner Name | KAISER DAVID R |
| Street | 1028 EASTWOOD ST |
| City | VALLEJO |
| State | CA |
| Zip Code | 94591-4829 |
| Country | US |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1983-09-08 |
| Certificate Issue Date | 2009-06-19 |
| Last Action Date | 2009-06-19 |
| Last Status | Registration Expired – Pending Cancellation |
| Cancellation Date | 2013-06-11 |
| Mode S Code | 51121412 |
| Mode S Code Hex | A4A30A |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N3981P.
| Tail Number / N-Number | N3981P |
| Manufacturer | PIPER |
| Model | PA-18A 150 |
| Year Built | 1956 |
| Manufacturer's Serial Number | 18-4734 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 1 seat |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Average Cruising Speed | 97 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | JOHNSON FLYING SERVICE |
| Street | PO BOX 66 |
| City | BAILEY |
| State | ID |
| Zip Code | 83332 |
| Region | Northwest Mountain |
| Certificate Issue Date | 1956-01-31 |
| Last Status | Valid Registration |
| Cancellation Date | 1957-11-13 |
| Exported To | CANADA |
| Mode S Code | 51121412 |
| Mode S Code Hex | A4A30A |