Before revision: Glossary of Russian and USSR aviation acronyms: Aircraft designations Glossary of Russian and USSR aviation acronyms: Avionics and instruments Glossary of Russian and USSR aviation acronyms: Engines and equipment Glossary of Russian and USSR aviation acronyms: Miscellaneous Glossary of Russian and USSR aviation acronyms: Organisations Glossary of Russian and USSR aviation acronyms: Weapons and armament Avionics and instruments - navigation display/drift sightGordon, Yefim.
After revision: __TOC__ Avionics and instruments - navigation display/drift sightGordon, Yefim.