echoUAT EXP Service Bulletin 04-2024
Service Bulletin Summary Based on FAA guidance, uAvionix requires all echoUAT customers to utilize an approved pressure altitude encoder capable of data input rates meeting the requirements of DO-282B. Background echoUAT does not contain an internal barometer. Instead, most echoUAT installations utilize Mode C replies for pressure altitude reporting in ADS-B messages. Concern arises when the aircraft flies [...]