# N721E: not currently registered

- Registered now: No (not in the FAA registry file). The mark may be reserved or free to assign
- Earlier aircraft: 4
- Last cancelled: February 28, 2020
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=721E
- Page: https://openairdocs.org/aircraft/N721E

## Aircraft that carried N721E

- [Cancelled 2020-02-28](https://openairdocs.org/deregistered/N721E-2020-02-28): Robert Hamblin AUTOGYRO GMBH CAVALO, S/N V00255, built 2016. Registration expired, pending cancellation. Owner: [Hamblin Robert](https://openairdocs.org/faa-owner/HAMBLIN%20ROBERT), [Fort Worth, TX](https://openairdocs.org/faa-place/TX/Fort%20Worth)
- [Cancelled 2010-10-20](https://openairdocs.org/deregistered/N721E-2010-10-20): Ayers Richard C CHRISTEN EAGLE II, S/N 0001, built 1984. Exported to Brazil. Owner: [Campbell Stan](https://openairdocs.org/faa-owner/CAMPBELL%20STAN), [Sparks, NV](https://openairdocs.org/faa-place/NV/Sparks)
- [Cancelled 1984-10-25](https://openairdocs.org/deregistered/N721E-1984-10-25): Cessna 421, S/N 421-0002. Exported to Dominican Republic. Owner: [Valdez Yamil](https://openairdocs.org/faa-owner/VALDEZ%20YAMIL), [Miami, FL](https://openairdocs.org/faa-place/FL/Miami)
- [Cancelled 1949-01-10](https://openairdocs.org/deregistered/N721E-1949-01-10): Waco GXE, S/N 1966, built 1929. Owner: [Neverdousky Charles](https://openairdocs.org/faa-owner/NEVERDOUSKY%20CHARLES), [Westville, IL](https://openairdocs.org/faa-place/IL/Westville)

## NTSB investigations on N721E (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 GAA17CA308](https://openairdocs.org/ntsb/GAA17CA308), May 27, 2017: Robert Hamblin Autogyro Gmbh Cavalo (N721E), Fort Worth, TX, substantial damage. Probable cause: The pilot’s failure to maintain clearance from terrain.

## FAA accident and incident reports on N721E (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 20170527010989A](https://openairdocs.org/incident/20170527010989A), May 27, 2017: Robert Hamblin AUTOGYRO GMBH CAVALO (N721E), Fort Worth, TX, Substantial damage. On 5/27/2017 at aproximately 1300 hrs PIC and passenger departed a private air strip south of blum TX. Flying to Bourland Airport (50F). As they arrived in…
- [Incident 19780418013179I](https://openairdocs.org/incident/19780418013179I), Apr 18, 1978: Lkheed 1011/ (N721E), Chicago, IL. Several compressor stalls at liftoff. Engine shutdown. Returned for landing.

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