Military Aerospace Oxygen Systems Oxygen Concentrator GGU-7A OC1009 Datasheet HomeOxygen SystemsMilitary Aerospace Oxyge... On-Board Oxygen Generati... Oxygen Concentrator GGU-7A OC1009 Datasheet The OC1009 is installed on the advanced AV-8B, T-45 and Czech L-59T aircraft which has accumulated over 500,000 reliable flight hours. Home Capabilities Customers Suppliers Careers News About On-Board Oxygen Generation Systems (OBOGS) Product Contacts USA Cobham Mission Systems, Davenport, USA 2734 Hickory Grove Road, Davenport, Iowa, USA 52804. Tel +1 563 383 6000 Fax +1 563 383 6430 Cobham Mission Systems Davenport LSS Inc. View location Contact office Cobham Mission Systems, Orchard Park, USA 10 Cobham Drive, Orchard Park, New York, USA 14127. Tel +1 716 662 0006 Fax +1 716 662 0747 Cobham Mission Systems Orchard Park Inc. View location Contact office