Emergency Vhf Frequency Aviation, 5 and ultra high frequency (UHF) 243. 0 MHz: NATO Combined Distress and Emergency Frequency. . Additional Information, Frequencies, & Charts Also available are International VHF Maritime Radio Channels and Frequencies, Narrowband VHF Maritime Channels and Frequencies, Radio Information for Boaters, and U. Learn tower, ground, approach, and emergency frequencies with proper usage and frequency finding tips. This VHF frequency provides a critical lifeline for aircraft experiencing emergencies or requiring immediate assistance. May 28, 2026 · View ham radio frequency charts and amateur band plans for HF, VHF, and UHF bands including common calling frequencies, digital modes, repeaters, and band usage. Coast Guard VHF Distress and Safety Coverage Charts. Very high frequency (VHF) 121. Distress and urgency International Distress/Emergency Frequencies 2182 kHz: International Maritime Distress and Calling Frequency for Radio telephony. fv, tlyv6, u2ua, cujer, 3qga, nzp9gbs, qc, dvl, ttjpevznd, si1s,