Northern X-Treme Helicopters
Holds 1 approved modification. FAA spelling: Northern X-Treme Helicopters.
Approved modifications 1 · newest first
2022-03-22SR02761LA · Installation of UH-1H composite main rotor blades on the UH-1B helicopters · UH-1B, UH-1B, UH-1B
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.