Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N4QA.
| Tail Number / N-Number | N4QA |
| Manufacturer | ROBINSON HELICOPTER |
| Model | R22 BETA |
| Year Built | 1989 |
| Manufacturer's Serial Number | 1262 |
| Aircraft Type | Rotorcraft |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 2 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | LYCOMING |
| Engine Model | 0-320 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 180 hp (134 kW) |
| Type of Registrant | Corporation |
| Owner Name | AERO LEASING INC |
| Street | PO BOX 1986 |
| City | BROOKINGS |
| State | OR |
| Zip Code | 97415-0052 |
| Country | US |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1990-01-11 |
| Certificate Issue Date | 2001-10-16 |
| Last Action Date | 2009-06-16 |
| Last Status | Registration Expired – Pending Cancellation |
| Cancellation Date | 2018-01-19 |
| Mode S Code | 51124516 |
| Mode S Code Hex | A4A94E |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N4QA.
| Tail Number / N-Number | N4QA |
| Manufacturer | ROCKWELL INTERNATIONAL |
| Model | 112A |
| Year Built | 1975 |
| Manufacturer's Serial Number | 333 |
| 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 | 128 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | QUAKERTOWN AVIATION INC |
| Street | MILFORD SQ RD |
| City | QUAKERTOWN |
| State | PA |
| Zip Code | 18951 |
| Region | Eastern |
| Certificate Issue Date | 1975-07-21 |
| Last Status | Valid Registration |
| Cancellation Date | 1976-02-20 |
| Mode S Code | 51124516 |
| Mode S Code Hex | A4A94E |