airspeed indicator

instrument used in an aircraft to display the craft's airspeed, typically in knots, to the pilot

en-GB/ɛəɹspiːd ˈɪndɪˌkeɪtə/
en-US/ˈɛɹˌspid ˈɪndəˌkeɪtɚ/

الفئات:

flight monitoring devicespeedometer