# N901ER: 1990 Root Earl S RV-4, registration cancelled 2005-02-02

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: February 2, 2005
- Status when cancelled: Triennial form not returned
- Airframe: [Root Earl S RV-4](https://openairdocs.org/model/root-earl-s-rv-4) (registry code 05608FF)
- Engine: [Lycoming 0-320 series](https://openairdocs.org/engine/lycoming-0-320-series) (registry code 41508)
- Data sheets: [TCDS E-274](https://openairdocs.org/tcds/E-274) (OpenAirDocs)
- Serial number: 1620
- Year built: 1990
- Type of aircraft: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Experimental, amateur built
- Airworthiness date: October 4, 1990
- Certificate issued: November 17, 1989
- Last registry action: December 21, 2004
- Mode S code: AC7357
- Owner when cancelled: [Root Earl S](https://openairdocs.org/faa-owner/ROOT%20EARL%20S)
- Location: [Buckley, WA](https://openairdocs.org/faa-place/WA/Buckley)
- Owner type: Individual
- Owner's area on the map: 47.1526° N, 122.0717° W: Placed by OpenAirDocs at the center of ZIP code 98321, within about 3 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N901ER
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=901ER
- Page: https://openairdocs.org/deregistered/N901ER-2005-02-02

From the FAA registry file of October 31, 2026, cancelled registrations. Owners' street addresses are left out. The Mode S code belongs to the N-number, not the airframe.

ADs and bulletins for the Root Earl S RV-4: https://openairdocs.org/model/root-earl-s-rv-4.md

## NTSB investigations (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB SEA04LA137](https://openairdocs.org/ntsb/SEA04LA137), Jul 19, 2004: Root RV-4 (N901ER), Buckley, WA, substantial damage. Probable cause: The pilot's inadequate preflight planning/preparation which resulted in a loss of engine power due to fuel starvation during the initial climb after takeoff. The pilot's failure to select the proper…

## FAA accident and incident reports (1)

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [Accident 20040719014399A](https://openairdocs.org/incident/20040719014399A), Jul 19, 2004: Amtr RV4 (N901ER), South Prairie, WA, Substantial damage. (-23) On July 19th 2004 at 10:30 am Mr. Earl root departed cawley (south prarie) WA. Private airstrip in his RV-4 aircraft. Mr. Root departed to the south on…

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