Collins HF-220 high-frequency radio used by Dick Smith, AC, on board his Bell Jetranger III helicopters from 1982 - MAAS Collection
Xiegu G90 HF transceiver 20W SSB/CW/AM/FM 0.5-30MHz SDR Radio w/ Antenna tuner– Radioddity
HFLINK | Brian Lloyd WB6RQN Round The World Flight Project Amelia Earhart 80th Anniversary
HF transceiver - All the aeronautical manufacturers
News | Collins Aerospace High Frequency radio selected as C-130J Super Hercules standard | Collins Aerospace
NETCOM Offers Training for a Timeless Technology: High Frequency (HF) Radio Communications | Article | The United States Army
Diamond Faces: The First to fly across the Pond in a DA50 RG - Diamond Aircraft Industries
Are commercial aircraft still typically equipped with HF radio? If so, what do the antenna systems look like? - Quora
Aeronautical HF | The SWLing Post
Aircraft headset to ham radio adapter – Docs by Design
HF-9000D/F Airborne HF Communication System | Collins Aerospace
MF/HF Radio Technology: Functionality & Applications
Monitoring HF Aviation Voice Communications with your SDR Radio or a WebSDR - YouTube
Common Aviation Frequencies: A Pilot's Communication Guide
HF Aeronautical Radio
High Frequency (HF) Radio
Aeronautical HF Radio Map | The SWLing Post
Radio Tuning ? Keypad G7424 Series - Gables Engineering - Communication systems and equipment
Single and Dual Portable HF Radio For Aviation | Aviation HF
High frequency - Wikipedia
787 Guide - There are no EICAS messages for a failed HF radio, but you may see these dashed lines. From experience I've also had HF radios fail without any particular indication.
Portable HF Radio Systems for Aircraft | Aviation HF
Communications
General Aviation
How pilots communicate with ATC while 35,000 feet in the air - The Points Guy
High Frequency (HF), Very High Frequency (VHF), and Transponder usage in Aircraft
QLF–Amateur Radio in Your Aircraft - KITPLANES
