The U.S. aircraft register, updated daily
Who holds what · as the FAA records the name

Billings Flying Service

Holds 1 approved modification, most of them for the Billings Flying Service Inc CH-47. FAA spelling: Billings Flying Service.

Approved modifications 1 · newest first

2025-08-20SR01136DE · Installation of Night Vision Imaging System (NVIS) / Night Vision Goggles (NVG) Compatible Lighting System · CH-47D

Source: FAA Dynamic Regulatory System (type certificate data sheets, supplemental type certificates, technical standard order authorisations). An organisation's name is as the FAA spelled it on each record; related spellings are separate pages.