# N3456T: Messerschmitt-Boelkow-Blohm BO-105S, registration cancelled 1983-12-08

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: December 8, 1983
- Status when cancelled: Valid registration
- Airframe: [Messerschmitt-Boelkow-Blohm BO-105S](https://openairdocs.org/model/messerschmitt-boelkow-blohm-bo-105s) (registry code 5626006)
- Data sheets: [TCDS H3EU](https://openairdocs.org/tcds/H3EU) (OpenAirDocs)
- Serial number: S420
- Type of aircraft: Rotorcraft
- Certificate issued: September 12, 1980
- Mode S code: A3D31D
- Owner when cancelled: [Tenneco Inc](https://openairdocs.org/faa-owner/TENNECO%20INC)
- Location: [Houston, TX](https://openairdocs.org/faa-place/TX/Houston)
- Owner type: Corporation
- The mark today: https://openairdocs.org/aircraft/N3456T
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=3456T
- Page: https://openairdocs.org/deregistered/N3456T-1983-12-08

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 Messerschmitt-Boelkow-Blohm BO-105S: https://openairdocs.org/model/messerschmitt-boelkow-blohm-bo-105s.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 FTW83FA430](https://openairdocs.org/ntsb/FTW83FA430), Sep 15, 1983: MBB BO-105S (N3456T), Grand Chenier, LA, destroyed, 2 fatal

## 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 19830915049309A](https://openairdocs.org/incident/19830915049309A), Sep 15, 1983: Bolkms BO105S (N3456T), Grand Chenier, LA, Destroyed, 1 fatal. Helicopter crashed in gulf. Pilots blood alcohol level was high. Exact cause of impact with the water unknown.

## Other aircraft with N3456T

- [Cancelled 1974-07-30](https://openairdocs.org/deregistered/N3456T-1974-07-30): Cessna 177, S/N 17700756. Owner: [Quanama West Indies Company](https://openairdocs.org/faa-owner/QUANAMA%20WEST%20INDIES%20COMPANY), [Wakeman, OH](https://openairdocs.org/faa-place/OH/Wakeman)

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
