4-5-8. ANTICIPATED ALTITUDE CHANGES

4-5-8. ANTICIPATED ALTITUDE CHANGES

If practicable, inform an aircraft when to expect climb or descent clearance or to request altitude change from another facility.

• PHRASEOLOGY
• EXPECT HIGHER/LOWER IN (number of miles or minutes) MILES/MINUTES,
• or
• AT (fix). REQUEST ALTITUDE/FLIGHT LEVEL CHANGE FROM (name of facility).
• If required,
• AT (time, fix, or altitude).

• REFERENCE
• FAA Order JO 7110.65, Para 2-2-6, IFR Flight Progress Data.