# N4003K: Robinson Helicopter R22 MARINER, registration cancelled 1993-03-17

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: March 17, 1993
- Status when cancelled: Valid registration
- Airframe: [Robinson Helicopter R22 MARINER](https://openairdocs.org/model/robinson-helicopter-r22-mariner) (registry code 7640115)
- Data sheets: [TCDS H10WE](https://openairdocs.org/tcds/H10WE) (OpenAirDocs)
- Serial number: 1393M
- Type of aircraft: Rotorcraft
- Certificate issued: May 30, 1990
- Last registry action: May 31, 1990
- Mode S code: A4AF6C
- Owner when cancelled: [Boatpix Services Corp](https://openairdocs.org/faa-owner/BOATPIX%20SERVICES%20CORP)
- Location: [Newark, DE](https://openairdocs.org/faa-place/DE/Newark)
- Owner type: Corporation
- Owner's area on the map: 39.7138° N, 75.7408° W: Placed by OpenAirDocs at the center of ZIP code 19711, within about 3 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N4003K
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4003K
- Page: https://openairdocs.org/deregistered/N4003K-1993-03-17

From the FAA registry file of November 12, 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 BFO90LA047](https://openairdocs.org/ntsb/BFO90LA047), May 20, 1990: Robinson R-22M (N4003K), Stevensville, MD, substantial damage. Probable cause: THE PILOT FAILED TO MAINTAIN CONTROL WHILE TAXIING ON TURBULENT WATER.

## 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 19900520016849A](https://openairdocs.org/incident/19900520016849A), May 20, 1990: Robsin R22MARINER (N4003K), Stevensville, MD, Destroyed. Landed on water to demostrate pontoon use to new owner. Boat wake hit and helicopter nosed over . Water was calm.

## Other aircraft with N4003K

- [Cancelled 1997-09-15](https://openairdocs.org/deregistered/N4003K-1997-09-15): Eurocopter AS 350 BA, S/N 2832. Exported to Brazil. Owner: [American Eurocopter Corp](https://openairdocs.org/faa-owner/AMERICAN%20EUROCOPTER%20CORP), [Grand Prairie, TX](https://openairdocs.org/faa-place/TX/Grand%20Prairie)
- [Cancelled (date not recorded)](https://openairdocs.org/deregistered/N4003K-undated): North American NAVION, S/N NAV-4-1003. Exported to India

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