Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N901ER.
| Tail Number / N-Number | N901ER |
| Manufacturer | ROOT EARL S |
| Model | RV-4 |
| Year Built | 1990 |
| Manufacturer's Serial Number | 1620 |
| 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 | ROOT EARL S |
| Street | 11615 252ND AVE E |
| City | BUCKLEY |
| State | WA |
| Zip Code | 98321 |
| Country | US |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1990-10-04 |
| Certificate Issue Date | 1989-11-17 |
| Last Action Date | 2004-12-21 |
| Last Status | The Triennial Aircraft Registration form was mailed and has not been returned by the Post Office |
| Cancellation Date | 2005-02-02 |
| Mode S Code | 53071527 |
| Mode S Code Hex | AC7357 |