# N4072U: 1991 Robinson Helicopter R22 MARINER, registration cancelled 2013-09-24

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: September 24, 2013
- Status when cancelled: Registration expired, pending cancellation
- Airframe: [Robinson Helicopter R22 MARINER](https://openairdocs.org/model/robinson-helicopter-r22-mariner) (registry code 7640115)
- 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: 1788M
- Year built: 1991
- Type of aircraft: Rotorcraft
- Engine type: Reciprocating
- Airworthiness: Standard, normal
- Airworthiness date: April 26, 1991
- Certificate issued: August 3, 1991
- Last registry action: January 23, 1995
- Mode S code: A4C953
- Owner when cancelled: [Drax Corp](https://openairdocs.org/faa-owner/DRAX%20CORP)
- Location: [Salt Springs, FL](https://openairdocs.org/faa-place/FL/Salt%20Springs)
- Owner type: Corporation
- Owner's area on the map: 29.3772° N, 81.8276° W: Placed by OpenAirDocs at the center of ZIP code 32134, within about 9 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N4072U
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4072U
- Page: https://openairdocs.org/deregistered/N4072U-2013-09-24

From the FAA registry file of November 4, 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 MARINER: https://openairdocs.org/model/robinson-helicopter-r22-mariner.md

## NTSB investigations (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 MIA92LA031](https://openairdocs.org/ntsb/MIA92LA031), Nov 17, 1991: Robinson R22 Mariner (N4072U), Ocala, FL, substantial damage. Probable cause: THE PILOT-IN-COMMAND'S IMPROPER USE OF COLLECTIVE CONTROL AND THROTTLE DURING RECOVERY FROM AN AUTOROTATION WHICH RESULTED IN LOSS OF ROTOR RPM AND A SUBSEQUENT HARD LANDING.

## FAA accident and incident reports (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 19911117052029A](https://openairdocs.org/incident/19911117052029A), Nov 17, 1991: Robsin R22MARINER (N4072U), Ocala, FL, Substantial damage. Engine did not respond on recovery from practice autorotation. RPM decayed hard landing chopped off tailboom.

## Other aircraft with N4072U

- [Cancelled 1988-11-23](https://openairdocs.org/deregistered/N4072U-1988-11-23): Cessna 150E, S/N 15061472. Triennial form not returned

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