Flight Crew Report of Mach Number change (Priority: 2, Interruptable: Yes)
FLIGHT CREW: “Boston Center, [call sign x], reporting speed change to (450 kts/M0.78) due to turbulence”; IF no acknowledgement received within 30 secs THEN repeat
Response to speed change advisory
CONTROLLER: “[call sign x], (450 kts/M0.78)”
Flight Crew Inquiry (Priority: 2, Interruptable: No)
FLIGHT CREW: “Does the ride get any better at this altitude? Is there a better ride at a different altitude?”
Flight Crew Request for Altitude Change (Priority: 2, Interruptable: No)
FLIGHT CREW: “[call sign x] request climb/descent to flight level [YY0]”
Flight Crew Declaration of an Emergency (Priority: 1, Interruptable: No)
FLIGHT CREW: “Boston Center, [call sign x], we’ve experienced severe turbulence and have injuries on-board. We are declaring a medical emergency”; IF no response within 3 seconds THEN repeat
CONTROLLER: “[call sign x], you are declaring an emergency. State your intent”; IF no response within 10 seconds THEN repeat
FLIGHT CREW: “We request a descent to flight level 240 and we’ll get back to you after checking with dispatch”
CONTROLLER: “[call sign x], descend and maintain flight level 240”; IF no response within 5 seconds THEN repeat
FLIGHT CREW: “[call sign x], descend and maintain flight level 240”
Controller Response to request for ride report
a) Without Any Other Report AND Without Aircraft at Same altitude On Same Route or within [z] nm from own route
CONTROLLER: “I have no other reports”
b) Controller has other reports
CONTROLLER: “You can expect LIGHT/MODERATE/SEVERE/SMOOTH RIDE x miles ahead (at flight level YYO – if other altitude)”
c) Without Any Other Report BUT With Aircraft at Same Altitude On Same Route
CONTROLLER: “I have no other reports. Let me inquire with other traffic”
FLIGHT CREW: “[call sign x]”
Controller Inquiry
Controller Follow-Up
Controller Inquiry
CONTROLLER: “[call sign y], how’s your ride at flight level [YY0]?”; IF no response within 15 seconds THEN repeat
FLIGHT CREW: “[call sign y], we have a smooth ride”
or
FLIGHT CREW: “[call sign y], we’ve been getting LIGHT/MODERATE/SEVERE turbulence for the last [x] miles”
Controller Follow-Up
CONTROLLER: “[call sign x], did you copy that?”; IF no response within 5 seconds THEN repeat
FLIGHT CREW: “[call sign x], affirmative, thank you”
Controller PIREP Relay
CONTROLLER: “[call sign x], I have an aircraft ahead of you which experienced LIGHT/MODERATE/SEVERE turbulence”
Altitude Change Clearance
a) Controller Can Provide Clearance
CONTROLLER: “[call sign x], climb/descend and maintain flight level [YY0]”; IF no response within 15 seconds THEN repeat
FLIGHT CREW: “[call sign x], climb/descend and maintain flight level [yy0]”
Flight crew dials cleared altitude target into mode control panel and presses execute button
b) Controller Needs to Check
CONTROLLER: “Standby, I’ll check for you”
FLIGHT CREW: “[call sign x]”
Controller evaluates situation.
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