# N4487D: 2006 Robinson Helicopter R44, registration cancelled 2021-10-30

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: October 30, 2021
- Status when cancelled: Registration expired, pending cancellation
- Airframe: [Robinson Helicopter R44](https://openairdocs.org/model/robinson-helicopter-r44) (registry code 7640120)
- Engine: [Lycoming O-540-F1B5](https://openairdocs.org/engine/lycoming-o-540-f1b5) (registry code 42353)
- Data sheets: [TCDS H11NM](https://openairdocs.org/tcds/H11NM), [TCDS E-295](https://openairdocs.org/tcds/E-295) (OpenAirDocs)
- Serial number: 1654
- Year built: 2006
- Type of aircraft: Rotorcraft
- Engine type: Reciprocating
- Airworthiness: Standard, normal
- Airworthiness date: September 26, 2006
- Certificate issued: October 27, 2006
- Last registry action: February 26, 2018
- Mode S code: A56BA6
- Owner when cancelled: [Holt Helicopters Inc](https://openairdocs.org/faa-owner/HOLT%20HELICOPTERS%20INC)
- Location: [Uvalde, TX](https://openairdocs.org/faa-place/TX/Uvalde)
- Owner type: Corporation
- Owner's area on the map: 29.1462° N, 99.9211° W: Placed by OpenAirDocs at the center of ZIP code 78802, within about a mile (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N4487D
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4487D
- Page: https://openairdocs.org/deregistered/N4487D-2021-10-30

From the FAA registry file of November 3, 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 R44: https://openairdocs.org/model/robinson-helicopter-r44.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 GAA18CA247](https://openairdocs.org/ntsb/GAA18CA247), Apr 18, 2018: Robinson Helicopter R44 (N4487D), Sonora, TX, substantial damage. Probable cause: The pilot’s failure to maintain clearance from trees while maneuvering at a low altitude.

## 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 20180418003799A](https://openairdocs.org/incident/20180418003799A), Apr 18, 2018: Robinson Helicopter R44 (N4487D), Sonora, TX, Substantial damage. Sonora, TX. N4487D, R-44, while spotting deer for a ground crew, the helicopter hit the top of a tree and took out the tail rotor. Pilot chopped the throttle…

## Other aircraft with N4487D

- [Cancelled 2002-09-05](https://openairdocs.org/deregistered/N4487D-2002-09-05): Beech G35, S/N D-4612, built 1956. Owner: [Anderson Lawrence E](https://openairdocs.org/faa-owner/ANDERSON%20LAWRENCE%20E), [Red Bluff, CA](https://openairdocs.org/faa-place/CA/Red%20Bluff)

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