| Tail Number / N-Number | N4055K |
| Manufacturer | ROBINSON HELICOPTER |
| Model | R44 |
| Year Built | 2020 |
| Manufacturer's Serial Number | 2611 |
| Aircraft Type | Rotorcraft |
| 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-540-F1B5 |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 260 hp (194 kW) |
| Type of Registrant | Individual |
| Owner Name | HARRIS WILLIAM R JR |
| Street | 30 WASHINEE HEIGHTS RD |
| City | SALISBURY |
| State | CT |
| Zip Code | 06068-1613 |
| Region | New England |
| County | Litchfield County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2020-04-21 |
| Certificate Issue Date | 2020-04-20 |
| Last Action Date | 2022-12-07 |
| Expiration Date | 2030-04-30 |
| Status | Valid Registration |
| Mode S Code | 51141105 |
| Mode S Code Hex | A4C245 |
Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N4055K.
| Tail Number / N-Number | N4055K |
| Manufacturer | NORTHROP AIRCRAFT INC |
| Model | N-23 |
| Manufacturer's Serial Number | N2503 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Not 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 CORP |
| Street | 1001 EAST BROADWAY |
| City | HAWTHORNE |
| State | CA |
| Zip Code | 90250 |
| Region | Western-Pacific |
| County | Litchfield County |
| Certificate Issue Date | 1949-12-02 |
| Last Status | Valid Registration |
| Cancellation Date | 1950-04-17 |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N4055K.
| Tail Number / N-Number | N4055K |
| Manufacturer | BALLOON WORKS |
| Model | FIREFLY 7 |
| Year Built | 1980 |
| Manufacturer's Serial Number | 10132 |
| 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 | PRITCHARD LESLEY |
| Street | 513 S EAST ST |
| City | BOYNE CITY |
| State | MI |
| Zip Code | 49712-1555 |
| County | Litchfield County |
| Country | US |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1980-05-06 |
| Last Action Date | 1981-02-07 |
| Last Status | Valid Registration |
| Cancellation Date | 2006-11-27 |