# N64580: 1977 Bell-Transworld Helicopters 47D1, registration cancelled 2017-07-20

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: July 20, 2017
- Status when cancelled: Registration expired, pending cancellation
- Airframe: [Bell-Transworld Helicopters 47D1](https://openairdocs.org/model/bell-transworld-helicopters-47d1) (registry code 1180845)
- Engine: [Franklin 6A&6V335 series](https://openairdocs.org/engine/franklin-6a-6v335-series) (registry code 27020)
- Data sheets: [TCDS H-1](https://openairdocs.org/tcds/H-1) (OpenAirDocs)
- Serial number: TWH-9
- Year built: 1977
- Type of aircraft: Rotorcraft
- Engine type: Reciprocating
- Airworthiness: Restricted, agriculture and pest control
- Airworthiness date: April 6, 1977
- Certificate issued: October 12, 2004
- Last registry action: October 16, 2007
- Mode S code: A87B57
- Owner when cancelled: [World Aircraft Connection Inc](https://openairdocs.org/faa-owner/WORLD%20AIRCRAFT%20CONNECTION%20INC)
- Location: [Williston, FL](https://openairdocs.org/faa-place/FL/Williston)
- Owner type: Corporation
- Owner's area on the map: 29.4001° N, 82.4693° W: Placed by OpenAirDocs at the center of ZIP code 32696, within about 7 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N64580
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=64580
- Page: https://openairdocs.org/deregistered/N64580-2017-07-20

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 Bell-Transworld Helicopters 47D1: https://openairdocs.org/model/bell-transworld-helicopters-47d1.md

## NTSB investigations (4)

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 LAX03CA274](https://openairdocs.org/ntsb/LAX03CA274), Sep 2, 2003: Bell 47D1 (N64580), Chino, CA, substantial damage. Probable cause: the student pilot's inappropriate remedial action through the application of excessive aft cyclic during a run-on landing. A factor in the accident was the student's disregard for company procedures.
- [NTSB LAX01FA236](https://openairdocs.org/ntsb/LAX01FA236), Jul 6, 2001: Bell 47D-1 (N64580), Riverside, CA, substantial damage. Probable cause: The engine crankshaft's failure as the result of fatigue cracking initiated by surface damage and localized overheating due to the installation at overhaul of incorrectly sized bearings.
- [NTSB CHI79FEM21](https://openairdocs.org/ntsb/CHI79FEM21), May 19, 1979: Bell 47D-1 (N64580), Middleville, MI, substantial damage
- [NTSB CHI77FEM34](https://openairdocs.org/ntsb/CHI77FEM34), Jul 21, 1977: Bell 47D (N64580), Byron Center, MI, substantial damage

## FAA accident and incident reports (5)

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 20030901036529A](https://openairdocs.org/incident/20030901036529A), Sep 1, 2003: Bell 47D1 (N64580), Chino, CA, Destroyed. (-23) While practicing a running landings in a BH-47 a student pilot failed to touch down in a level attitude. The aircraft initially contacted the surface…
- [Incident 20020622014459I](https://openairdocs.org/incident/20020622014459I), Jun 22, 2002: Bell 47D1 (N64580), Chino, CA, Minor damage. (-23) On Saturday 22nd June at around 14:30, the pilot reported that he lifted the helicopter into a hover and moved over the grass area in front of a hangar…
- [Accident 20010705016439A](https://openairdocs.org/incident/20010705016439A), Jul 5, 2001: Bell 47D1 (N64580), Riverside, CA, No damage. (.19) On July 5, 2001, at 1701 hours pacific daylight time, a Bell 47D-1, N64580, experienced a rough running engine on short final approach and entered an…
- [Accident 19790519011129A](https://openairdocs.org/incident/19790519011129A), May 19, 1979: Bell 47D1 (N64580), Middleville, MI, Substantial damage. Engine stopped due to fuel exhaustion while enroute on a ferry flight. Made hard autorotation landing>
- [Accident 19770721019199A](https://openairdocs.org/incident/19770721019199A), Jul 21, 1977: Bell 47D1 (N64580), Byron Center, MI, Substantial damage

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