Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N4319J.
| Tail Number / N-Number | N4319J |
| Manufacturer | PIPER |
| Model | PA-28-181 |
| Year Built | 1983 |
| Manufacturer's Serial Number | 28-8490008 |
| 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 | 105 miles per hour |
| Type of Registrant | Non Citizen Corporation |
| Owner Name | COSMO FLYING SCHOOL |
| Street | 100 KAULELE PLACE |
| City | HONOLULU |
| State | HI |
| Zip Code | 96819 |
| Country | US |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1983-11-10 |
| Certificate Issue Date | 1988-09-15 |
| Last Action Date | 2009-03-17 |
| Last Status | Registration Expired – Pending Cancellation |
| Cancellation Date | 2013-06-07 |
| Mode S Code | 51225161 |
| Mode S Code Hex | A52A71 |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N4319J.
| Tail Number / N-Number | N4319J |
| Manufacturer | PIPER |
| Model | PA-28-140 |
| Manufacturer's Serial Number | 28-22753 |
| 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) |
| Number of Engines | 1 engine |
| Average Cruising Speed | 107 miles per hour |
| Type of Registrant | Co-Ownership |
| Owner Name | BREWER BERTHA E ET AL |
| Street | STAR RTE 1 SOUTH |
| City | LOCUST GROVE |
| State | OK |
| Zip Code | 74352 |
| Region | Southwestern |
| Certificate Issue Date | 1972-06-19 |
| Last Status | Valid Registration |
| Cancellation Date | 1973-02-09 |
| Exported To | CANADA |
| Mode S Code | 51225161 |
| Mode S Code Hex | A52A71 |