| Tail Number / N-Number | N844 |
| Manufacturer | ZARRA RON E |
| Model | RV-4 |
| Manufacturer's Serial Number | 709 |
| 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 | Corporation |
| Owner Name | DISCOUNT AIRCRAFT SALVAGE CO |
| Street | 1109 N CEDAR RD |
| City | DEER PARK |
| State | WA |
| Zip Code | 99006 |
| Region | Northwest Mountain |
| County | Spokane County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1986-09-26 |
| Certificate Issue Date | 2020-08-13 |
| Last Action Date | 2020-08-13 |
| Expiration Date | 2027-08-31 |
| Status | Valid Registration |
| Mode S Code | 52707264 |
| Mode S Code Hex | AB8EB4 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N844.
| Tail Number / N-Number | N844 |
| Manufacturer | DELACKNER HELICOPTERS |
| Model | DH4 |
| Manufacturer's Serial Number | DH4-6 |
| Aircraft Type | Rotorcraft |
| 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 |
| Average Cruising Speed | 27 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | DE LACKNER HELICOPTERS INC |
| Street | 14 N BLEEKER ST |
| City | MOUNT VERNON |
| State | NY |
| Zip Code | 10550 |
| Region | Eastern |
| County | Spokane County |
| Certificate Issue Date | 1956-10-30 |
| Last Status | Valid Registration |
| Cancellation Date | 1972-01-04 |