737 Flight Crew Operations Manual
Flight Management, Navigation -
ATC Data Link
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Messages With A Response Report
Responses to certain messages, for example a change in altitude or request for
Estimated Time of Arrival (ETA), generate a response report to the original
message. The response report requires the pilot to enter the appropriate data into
the field(s), then make sure of the data by pushing the VERIFY LSK. This causes
the VERIFY page to show on the display with the response that will be
downlinked to the ground station. Push the SEND LSK to complete the response.
After the ground has received the reply and responded, the original MESSAGE
page shows on the display with the response at the bottom of the page and a
CLOSED status. The figures that follow display a typical response sequence to an
ATC m ess age .
September 15, 2016