# N4072T: 1991 Robinson Helicopter R22 BETA, registration cancelled 2003-09-19

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: September 19, 2003
- Status when cancelled: Triennial form not returned
- Airframe: [Robinson Helicopter R22 BETA](https://openairdocs.org/model/robinson-helicopter-r22-beta) (registry code 7640110)
- Engine: [Lycoming 0-320 series](https://openairdocs.org/engine/lycoming-0-320-series) (registry code 41508)
- Data sheets: [TCDS H10WE](https://openairdocs.org/tcds/H10WE), [TCDS E-274](https://openairdocs.org/tcds/E-274) (OpenAirDocs)
- Serial number: 1747
- Year built: 1991
- Type of aircraft: Rotorcraft
- Engine type: Reciprocating
- Airworthiness: Standard, normal
- Airworthiness date: April 9, 1991
- Certificate issued: February 28, 1997
- Last registry action: March 18, 2003
- Mode S code: A4C952
- Owner when cancelled: [Dragonfly Corp](https://openairdocs.org/faa-owner/DRAGONFLY%20CORP)
- Location: [Dover, DE](https://openairdocs.org/faa-place/DE/Dover)
- Owner type: Corporation
- Owner's area on the map: 39.1815° N, 75.4736° W: Placed by OpenAirDocs at the center of ZIP code 19901, within about 5 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N4072T
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4072T
- Page: https://openairdocs.org/deregistered/N4072T-2003-09-19

From the FAA registry file of October 29, 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 Robinson Helicopter R22 BETA: https://openairdocs.org/model/robinson-helicopter-r22-beta.md

## NTSB investigations (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 LAX02LA213](https://openairdocs.org/ntsb/LAX02LA213), Jul 2, 2002: Robinson R22 Beta (N4072T), Chatsworth, CA, substantial damage. Probable cause: The pilot's inadequate flare resulting in rotor blade contact with the ground. Contributing factors were the high altitude and the airframe vibration for an undetermined reason.
- [NTSB LAX00LA079](https://openairdocs.org/ntsb/LAX00LA079), Jan 22, 2000: Robinson R22B (N4072T), Piru, CA, substantial damage. Probable cause: Failure of the pilot to maintain control after encountering a dynamic rollover.
- [NTSB LAX93LA147](https://openairdocs.org/ntsb/LAX93LA147), Mar 12, 1993: Robinson R-22 Beta (N4072T), Folsom, CA, substantial damage. Probable cause: THE STUDENT PILOT'S EXCESSIVE RATE OF DESCENT DURING A APPROACH FOR LANDING, IMPROPER REMEDIAL ACTION TO ARREST THE RATE OF DESCENT, AND A FAILURE TO MAINTAIN PROPER MAIN ROTOR RPM. THE STUDENT…

## FAA accident and incident reports (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 20020702013979A](https://openairdocs.org/incident/20020702013979A), Jul 2, 2002: Robsin R22BETA (N4072T), Chatsworth, CA, Substantial damage. (.19) On July 02, 2002, at 1445 pacific daylight time, a Robinson R22 beta helicopter, N4072T, was substantially damaged following a loss of control during a…
- [Accident 20000122008879A](https://openairdocs.org/incident/20000122008879A), Jan 22, 2000: Robsin R22BETA (N4072T), Piru, CA, Substantial damage. (-23) Following a landing in the sandy river bottom in the Piru practice area (santa clara river near Piru, CA) and during the ensuing lift-off, the pilot,…
- [Accident 19930311004959A](https://openairdocs.org/incident/19930311004959A), Mar 11, 1993: Robsin R22BETA (N4072T), Folsom, CA, Substantial damage. High steep approach flared. Rotor RPM decayed. Landed hard bounced into air. Rolled over on second touchdown.

## Other aircraft with N4072T

- [Cancelled 2019-11-29](https://openairdocs.org/deregistered/N4072T-2019-11-29): Earthstar ODYSSEY JT2, S/N 001, built 2006. Registration expired, pending cancellation. Owner: [Umphenour Ronald M](https://openairdocs.org/faa-owner/UMPHENOUR%20RONALD%20M), [Mapleton, UT](https://openairdocs.org/faa-place/UT/Mapleton)

---
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.