# N684F: 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: April 24, 1998
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=684F
- Page: https://openairdocs.org/aircraft/N684F

## Aircraft that carried N684F

- [Cancelled 1998-04-24](https://openairdocs.org/deregistered/N684F-1998-04-24): Mcdonnell Douglas Helicopter 369E, S/N 0491E. Exported to United Kingdom. Owner: [Mcdonnell Douglas Helicopter Co](https://openairdocs.org/faa-owner/MCDONNELL%20DOUGLAS%20HELICOPTER%20CO), [Mesa, AZ](https://openairdocs.org/faa-place/AZ/Mesa)

## NTSB investigations on N684F (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 FTW92GA160](https://openairdocs.org/ntsb/FTW92GA160), Jun 13, 1992: Mcdonnell Douglas 369E (N684F), Yukon, OK, substantial damage. Probable cause: THE DUAL STUDENT'S FAILURE TO MAINTAIN ADEQUATE MAIN ROTOR RPM AND FAILURE TO LEVEL THE HELICOPTER AT TOUCHDOWN. FACTORS WERE THE MANUFACTURER'S TRAINING PILOT'S INADEQUATE SUPERVISION AND THE DUAL…

## FAA accident and incident reports on N684F (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 19920613020279A](https://openairdocs.org/incident/19920613020279A), Jun 13, 1992: Hughes 369E (N684F), Oklahoma City, OK, Substantial damage. Dual flight for police unit. Mfg training pilot no CFI autorotation demo. Rotor decay. Hard landing. Chopped tail.

---
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.