Matches in DBpedia 2015-10 for { ?s ?p "The aircraft emergency frequency (also known as guard) is a frequency used on the aircraft band reserved for emergency communications for aircraft in distress. The frequencies are 121.5 MHz for civilian, also known as International Air Distress (IAD) or VHF Guard, and 243.0 MHz for military use, also known as Military Air Distress (MAD) or UHF Guard. Earlier emergency locator transmitters used the guard frequencies to transmit, but an additional frequency of 406 MHz is used by more modern ELTs."@en }
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- Aircraft_emergency_frequency abstract "The aircraft emergency frequency (also known as guard) is a frequency used on the aircraft band reserved for emergency communications for aircraft in distress. The frequencies are 121.5 MHz for civilian, also known as International Air Distress (IAD) or VHF Guard, and 243.0 MHz for military use, also known as Military Air Distress (MAD) or UHF Guard. Earlier emergency locator transmitters used the guard frequencies to transmit, but an additional frequency of 406 MHz is used by more modern ELTs.".
- Aircraft_emergency_frequency comment "The aircraft emergency frequency (also known as guard) is a frequency used on the aircraft band reserved for emergency communications for aircraft in distress. The frequencies are 121.5 MHz for civilian, also known as International Air Distress (IAD) or VHF Guard, and 243.0 MHz for military use, also known as Military Air Distress (MAD) or UHF Guard. Earlier emergency locator transmitters used the guard frequencies to transmit, but an additional frequency of 406 MHz is used by more modern ELTs.".