| Tail Number / N-Number | N4375J |
| Manufacturer | WALDEN MANLEY WILLIAM |
| Model | RV-4 |
| Year Built | 1992 |
| Manufacturer's Serial Number | 2554 |
| 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 | LYCOMING |
| Engine Model | 0-320 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 180 hp (134 kW) |
| Type of Registrant | Individual |
| Owner Name | SPRING GEORGE B |
| Street | 29-3 WINTHROP RD |
| City | CHESTER |
| State | CT |
| Zip Code | 06412 |
| Region | New England |
| County | Hartford County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2001-02-27 |
| Certificate Issue Date | 2015-07-16 |
| Last Action Date | 2021-03-13 |
| Expiration Date | 2028-07-31 |
| Status | Valid Registration |
| Mode S Code | 51240057 |
| Mode S Code Hex | A5402F |
Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N4375J.
| Tail Number / N-Number | N4375J |
| Manufacturer | PIPER |
| Model | PA-28-140 |
| Manufacturer's Serial Number | 28-22760 |
| 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 | Corporation |
| Owner Name | BROWN FLYING SERVICE INC |
| Street | NORTHERN BLVD INTL AIRPORT |
| City | SAN ANTONIO |
| State | TX |
| Zip Code | 78216 |
| Region | Southwestern |
| County | Hartford County |
| Certificate Issue Date | 1967-03-23 |
| Last Status | Valid Registration |
| Cancellation Date | 1967-05-18 |
| Exported To | MEXICO |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N4375J.
| Tail Number / N-Number | N4375J |
| Manufacturer | CESSNA |
| Model | T188C |
| Manufacturer's Serial Number | T18803735T |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 1 seat |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| County | Hartford County |
| Last Status | N-Number Assigned – but has not yet been registered |
| Cancellation Date | 1988-05-26 |