4-5-9. ALTITUDE CONFIRMATION - NONRADAR

4-5-9. ALTITUDE CONFIRMATION - NONRADAR

1. Request a pilot to confirm assigned altitude on initial contact and when position reports are received unless:

   NOTE: For the purpose of this paragraph, “initial contact” means a pilot's first radio contact with each sector/position.

   1. The pilot states the assigned altitude, or
   2. You assign a new altitude to a climbing or descending aircraft, or
   3. TERMINAL. The aircraft was transferred to you from another sector/position within your facility (intrafacility).
   • PHRASEOLOGY
   • (In level flight situations),
   • VERIFY AT (altitude/flight level).
   • (In climbing/descending situations),
   • (if aircraft has been assigned an altitude below the lowest usable flight level),
   • VERIFY ASSIGNED ALTITUDE (altitude).
   • (If aircraft has been assigned a flight level at or above the lowest usable flight level),
   • VERIFY ASSIGNED FLIGHT LEVEL (flight level).
2. USA. Reconfirm all pilot altitude read backs.
   • PHRASEOLOGY
   • (If altitude read back is correct), AFFIRMATIVE (altitude).
   • (If altitude read back is not correct),
   • NEGATIVE. CLIMB/DESCEND AND MAINTAIN (altitude),
   • or
   • NEGATIVE. MAINTAIN (altitude).