# N6780D: 1959 Bell 47J, registration cancelled 2013-09-26

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: September 26, 2013
- Status when cancelled: Revoked, canceled
- Airframe: [Bell 47J](https://openairdocs.org/model/bell-47j) (registry code 1181102)
- Engine: [Lycoming VO-435 series](https://openairdocs.org/engine/lycoming-vo-435-series) (registry code 41525)
- Data sheets: [TCDS 2H1](https://openairdocs.org/tcds/2H1), [TCDS E-279](https://openairdocs.org/tcds/E-279) (OpenAirDocs)
- Serial number: 1799
- Year built: 1959
- Type of aircraft: Rotorcraft
- Engine type: Reciprocating
- Airworthiness: Standard
- Certificate issued: February 22, 1978
- Last registry action: February 25, 1978
- Mode S code: A8FBCC
- Owner when cancelled: [Knop Gregory](https://openairdocs.org/faa-owner/KNOP%20GREGORY)
- Location: [Waukegan, IL](https://openairdocs.org/faa-place/IL/Waukegan)
- Owner type: Individual
- Owner's area on the map: 42.3549° N, 87.8608° W: Placed by OpenAirDocs at the center of ZIP code 60085, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N6780D
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=6780D
- Page: https://openairdocs.org/deregistered/N6780D-2013-09-26

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 Bell 47J: https://openairdocs.org/model/bell-47j.md

## NTSB investigations (2)

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 CHI78FEP14](https://openairdocs.org/ntsb/CHI78FEP14), Feb 5, 1978: Bell 47-J (N6780D), Wilmot, WI, substantial damage
- [NTSB MKC73AKO55](https://openairdocs.org/ntsb/MKC73AKO55), Mar 2, 1973: Bell 47J (N6780D), Kansas City, MO, destroyed

## FAA accident and incident reports (2)

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 19780205013009A](https://openairdocs.org/incident/19780205013009A), Feb 5, 1978: Bell 47B3 (N6780D), Wilmot, WI, Substantial damage
- [Accident 19730302004539A](https://openairdocs.org/incident/19730302004539A), Mar 2, 1973: Bell 47J (N6780D), Kansas City, MO, Substantial damage. One eng cooling fan belt broke. Engine equiped with two. No need to autorotate.

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