# N804DF: not currently registered

- Registered now: No (not in the FAA registry file). The mark may be reserved or free to assign
- Earlier aircraft: 1
- Last cancelled: November 4, 2019
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=804DF
- Page: https://openairdocs.org/aircraft/N804DF

## Aircraft that carried N804DF

- [Cancelled 2019-11-04](https://openairdocs.org/deregistered/N804DF-2019-11-04): Robinson Helicopter R44 II, S/N 11265, built 2006. Registration expired, pending cancellation. Owner: [Royal Aeronautical Services USA LLC](https://openairdocs.org/faa-owner/ROYAL%20AERONAUTICAL%20SERVICES%20USA%20LLC), [Cheyenne, WY](https://openairdocs.org/faa-place/WY/Cheyenne)

## NTSB investigations on N804DF (3)

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 GAA17CA165](https://openairdocs.org/ntsb/GAA17CA165), Feb 19, 2017: Robinson Helicopter R44 (N804DF), Spofford, TX, substantial damage. Probable cause: The pilot's decision to hover-taxi out of the hangar and his subsequent failure to maintain clearance from the hangar.
- [NTSB GAA15CA232](https://openairdocs.org/ntsb/GAA15CA232), Jul 16, 2015: Robinson Helicopter R44 II (N804DF), Prairie Lea, TX, substantial damage. Probable cause: The pilot's failure to maintain rotor rpm, resulting in an uncontrolled descent and collision with trees.
- [NTSB DFW08CA177](https://openairdocs.org/ntsb/DFW08CA177), Jul 5, 2008: Robinson R44 II (N804DF), Canyon Lake, TX, substantial damage. Probable cause: A total loss of tail rotor effectiveness. Contributing to the accident was the pilot's improper decision to operate inside the height velocity curve.

## FAA accident and incident reports on N804DF (3)

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 20170219001049A](https://openairdocs.org/incident/20170219001049A), Feb 19, 2017: Robinson Helicopter Company R44 II (N804DF), Spofford, TX, Substantial damage. Airman hovered an R-44 helicopter inside a hangar with the intent of repositioning outside the hangar for a flight to another airfield. Aircraft rotor system…
- [Accident 20150716014379A](https://openairdocs.org/incident/20150716014379A), Jul 16, 2015: Robinson Helicopter Company R44 II (N804DF), Fentress, TX, Substantial damage. After conducting a downwind manuvering turn the low rotor RPM alert came on. Due to low altitude the pilot was unable to recover and made a hard landing from…
- [Accident 20080705839879A](https://openairdocs.org/incident/20080705839879A), Jul 5, 2008: Robsin R44RAVENII (N804DF), Spring Branch, TX, Substantial damage. (-23) On July 5, 2008, at approximately 1600 CDT, a Robinson R44 helicopter, N804DF, sustained substantial damage when it landed hard after loss of tail rotor…

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.