NACA Mach Number Warning Device for Use in Flight Open PDF Document Details Document Type Technical Report Publication Date Jul 01, 1944 Accession Number ADB807234 Entities People Jerry Goodman Organizations Langley Research Center Tags Communities of Interest Air Platforms DTIC Thesaurus Topics Aeronautical Laboratories Aircrafts Airplanes Airspeed Airspeed Indicators Altitude Climate Change Errors Free Stream Indicators Laboratory Tests Mach Number Pressure Distribution Sea Level Static Pressure Wind Tunnel Tests Wind Tunnels