Billings Flying Service Receives FAA Restricted Type Certification for Surplus Netherlands Air Force CH-47D Chinook Helicopters. Firefighting World Helicopter NEWS Billings Flying Service Receives FAA Restricted Type Certification for Surplus Netherlands Air Force CH-47D Chinook Helicopters. dgualdo 19/03/2025 PRESS RELEASE – BILLINGS, MONTANA (March 18, 2025) Billings Flying Service, Inc. (BFS) is pleased to announce... Read More Read more about Billings Flying Service Receives FAA Restricted Type Certification for Surplus Netherlands Air Force CH-47D Chinook Helicopters.