| Tail Number / N-Number | N83021 |
| Manufacturer | PIPER |
| Model | PA-28-181 |
| Year Built | 1980 |
| Manufacturer's Serial Number | 28-8190104 |
| 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 | 0-360-A1D |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 180 hp (134 kW) |
| Average Cruising Speed | 105 miles per hour |
| Type of Registrant | Individual |
| Owner Name | KOSBRUK BORIS R JR |
| Street | PO BOX 111 |
| City | PERRYVILLE |
| State | AK |
| Zip Code | 99648-0111 |
| Region | Alaskan |
| County | Aleutian Islands |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1980-11-12 |
| Certificate Issue Date | 2016-06-06 |
| Last Action Date | 2022-05-17 |
| Expiration Date | 2029-06-30 |
| Status | Valid Registration |
| Mode S Code | 52655422 |
| Mode S Code Hex | AB5B12 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N83021.
| Tail Number / N-Number | N83021 |
| Manufacturer | AERONCA |
| Model | 7AC |
| Year Built | 1946 |
| Manufacturer's Serial Number | 7AC-1680 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 2 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Average Cruising Speed | 90 miles per hour |
| Type of Registrant | Partnership |
| Owner Name | WARREN S FROTHINGHAM DBA PLUM ISLAND FLYING SERVIC |
| Street | PO BOX 310 |
| City | NEWBURYPORT |
| State | MA |
| Zip Code | 01950 |
| Region | New England |
| County | Aleutian Islands |
| Certificate Issue Date | 1946-04-06 |
| Last Status | Valid Registration |
| Cancellation Date | 1955-04-18 |