20-111 - Communication Interference Caused by Unintentional Keyed Microphones
- Date Issued
- October 10, 1980
- Responsible Office
- Alerts the aviation community to the potential hazards created by unintentional keying of microphones resulting in radio transmissions from airborne, mobile, and ground based radio transmitters and gives guidance on alleviating ensuing hazards.
- AC20-111.pdf (PDF, 360 KB)