Question 7 Experimentation Description

0521-EX-CN-2017 Text Documents

Textron Aviation, Inc.

2017-06-27ELS_194422

27-Jun-17 Question 7: Purpose of Experiment a) The equipment to be tested is commercially available, certified aircraft VHF COM radios operating in the 118-137 MHz band. The radios are installed in aircraft developed and produced by Textron Aviation. For performance tests requiring communication with a fixed ground station, the ground radios will also be commercially available FCC Part 87 certified. The aircraft antennas are a variety of commercially available ¼ wave monopole blade antennas. Effective Radiated Power will always be less than 20 W mean. The fixed ground station utilize commercially available vertically polarized antennas. b) The tests are required by 14 CFR 25.1301(d), 25.1353(a) 25.1461(c) for FAA certification of the aircraft for EMI/EMC and minimum performance standards. The tests for performance involve verification of air-ground-air voice communications of acceptable quality at ranges up to 200 miles while the aircraft makes a variety of maneuvers. The EMI/EMC testing usually involves one or two transmissions of 20 seconds or less. c) The testing is required to ensure the radios function as required and do not interfere with other systems on the aircraft. Very Respectfully, Dan Hankins Spectrum Manager - SR Textron Aviation, Inc.


Document Created: 2017-06-27 15:48:53
Document Modified: 2017-06-27 15:48:53
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