# N9660: 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: May 23, 2013
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=9660
- Page: https://openairdocs.org/aircraft/N9660

## Aircraft that carried N9660

- [Cancelled 2013-05-23](https://openairdocs.org/deregistered/N9660-2013-05-23): Bell 47D1, S/N 486. Registration expired, pending cancellation. Owner: [New Tropical Adventures Inc DBA](https://openairdocs.org/faa-owner/NEW%20TROPICAL%20ADVENTURES%20INC%20DBA), [Marathan, FL](https://openairdocs.org/faa-place/FL/Marathan)

## NTSB investigations on N9660 (2)

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 MIA94FA125](https://openairdocs.org/ntsb/MIA94FA125), Apr 22, 1994: Bell 47D1 (N9660), Marathon, FL, destroyed, 2 fatal. Probable cause: SEPARATION OF THE TAIL ROTOR GEARBOX AND TAIL ROTOR BLADES FOR AN UNDETERMINED REASON. FACTORS RELATED TO THE ACCIDENT WERE: FAILURE OF MAINTENANCE PERSONNEL TO FOLLOW THE PROPER MAINTENANCE…
- [NTSB MIA74DKT61](https://openairdocs.org/ntsb/MIA74DKT61), Mar 16, 1974: Bell 47D1 (N9660), Ochopee, FL, substantial damage

## FAA accident and incident reports on N9660 (2)

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 19940422012699A](https://openairdocs.org/incident/19940422012699A), Apr 22, 1994: Bell 47D1 (N9660), Marathon, FL, Destroyed, 4 fatal. Loud bang. Parts came off tail. Yawed right. Impact on island. Bounced into water. Overtime tail rotor blades failed
- [Accident 19740316013369A](https://openairdocs.org/incident/19740316013369A), Mar 16, 1974: Bell 47D1 (N9660), Ochopee, FL, Substantial damage. R skid dug into gnd drg l/o.

---
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.
