| Tail Number / N-Number | N688H |
| Manufacturer | EATON GEORGE W |
| Model | RV-4 |
| Year Built | 1993 |
| Manufacturer's Serial Number | 2341 |
| 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 | ZUMBRUN DENNIS L |
| Street | 650 EVANGELINE RD |
| City | MONTZ |
| State | LA |
| Zip Code | 70068-8926 |
| Region | Southwestern |
| County | St. John the Baptist Parish |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1994-01-28 |
| Certificate Issue Date | 2011-07-20 |
| Last Action Date | 2020-06-10 |
| Expiration Date | 2027-07-31 |
| Status | Valid Registration |
| Mode S Code | 52220636 |
| Mode S Code Hex | A9219E |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N688H.
| Tail Number / N-Number | N688H |
| Manufacturer | SWALLOW |
| Model | TP-K |
| Manufacturer's Serial Number | 203 |
| 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 |
| Type of Registrant | Individual |
| Owner Name | RANSOM T SCHULTZ |
| Street | NOT GIVEN |
| City | COLLEGE |
| State | AK |
| Zip Code | 99775 |
| Region | Alaskan |
| County | St. John the Baptist Parish |
| Certificate Issue Date | 1939-12-13 |
| Last Status | Valid Registration |
| Cancellation Date | 1940-09-15 |