| Tail Number / N-Number | N4050K |
| Manufacturer | QUINN GEORGE HOLTON |
| Model | SKYRANGER II |
| Year Built | 2009 |
| Manufacturer's Serial Number | GHQ002 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 2 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | JABIRU |
| Engine Model | 2200 |
| Engine Type | 4 Cycle |
| Number of Engines | 1 engine |
| Horsepower | 85 hp (63 kW) |
| Kit Manufacturer | SKYRANGER AIRCRAFT CO INC |
| Kit Model | SKY RANGER II |
| Type of Registrant | Individual |
| Owner Name | WATTS BRYAN E |
| Street | 39940 DAVIS ST |
| City | SANDY |
| State | OR |
| Zip Code | 97055-8380 |
| Region | Northwest Mountain |
| County | Clackamas County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2009-07-27 |
| Certificate Issue Date | 2020-02-11 |
| Last Action Date | 2023-01-22 |
| Expiration Date | 2027-02-28 |
| Status | Valid Registration |
| Mode S Code | 51140626 |
| Mode S Code Hex | A4C196 |
Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N4050K.
| Tail Number / N-Number | N4050K |
| Manufacturer | BALLOON WORKS |
| Model | FIREFLY 7 |
| Year Built | 1979 |
| Manufacturer's Serial Number | 7949 |
| Aircraft Type | Balloon |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 1 seat |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | NONE |
| Engine Model | NONE |
| Number of Engines | 0 engines |
| Average Cruising Speed | 63 miles per hour |
| Type of Registrant | Individual |
| Owner Name | HARTPENCE JOE K |
| Street | 13948 SW 42ND ST |
| City | YUKON |
| State | OK |
| Zip Code | 73099-7202 |
| County | Clackamas County |
| Country | US |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1979-09-11 |
| Certificate Issue Date | 1996-04-30 |
| Last Action Date | 2001-10-16 |
| Last Status | The Triennial Aircraft Registration form was mailed and has not been returned by the Post Office |
| Cancellation Date | 2003-12-23 |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N4050K.
| Tail Number / N-Number | N4050K |
| Manufacturer | NORTHROP |
| Model | N32 |
| Manufacturer's Serial Number | 2502 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 40 seats |
| Weight Class | CLASS 3 (20,000+ pounds gross take off weight) |
| Number of Engines | 3 engines |
| Type of Registrant | Corporation |
| Owner Name | NORTHROP AIRCRAFT INC |
| Street | 1001 EAST BROADWAY |
| City | HAWTHORNE |
| State | CA |
| Zip Code | 90250 |
| Region | Western-Pacific |
| County | Clackamas County |
| Certificate Issue Date | 1949-08-03 |
| Last Status | Valid Registration |
| Cancellation Date | 1950-11-13 |