Preliminary Evaluation of Visual Landing Aids for AV-8A Aircraft Operations at VSTOL Forward Operating Facilities. Open PDF Document Details Document Type Technical Report Publication Date Jan 13, 1975 Accession Number ADA056120 Tags Communities of Interest Air Platforms DTIC Thesaurus Topics Aircrafts Altimeters Altitude Approach Lights Clearances Engineers Flight Glide Slope Helicopters Landing Aids Marker Lights Naval Air Stations Radar Altimeters Test And Evaluation Test Equipment Test Facilities Test Vehicles