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MAINTAIN (level) UNTIL FURTHER ADVISED MAIN-
TAINED (level) WHILE IN CONTROLLED AIRSPACE

MAINTAIN AT LEAST (number) METRES (or FEET)
ABOVE (or BELOW) (aircraft identification)
Note: the term “MAINTAIN” is not used in lieu of “DESCEND”
or “CLIMB” when instructing an aircraft to change level

9.3.1.3 Specification of Cruising Levels
CROSS (significant point) AT (or ABOVE, or
BELOW) (level)

CROSS (significant point) AT (time) OR LATER (or
BEFORE) AT (level) [MAINTAINING OWN
SEPARATION AND VMC]

CRUISE CLIMB BETWEEN (levels) (or ABOVE
(level)) CROSS (distance) (name of DME station)

DME AT (or ABOVE, or BELOW) (level)

9.3.1.4 Emergency Descent
*EMERGENCY DESCENT (intentions)

EMERGENCY DESCENT AT (significant point or location)
ALL AIRCRAFT BELOW(level)WITHIN (distance) OF
(significant point or navigation aid) LEAVE IMMEDIATELY
(followed as necessary by specific instructions as to

direction, heading or track etc.)
If clearance cannot be
issued immediately upon
request EXPECT CLEARANCE AT (time)

9.3.1.5 En-route Absorption of Terminal delay

AT (time or position) DESCEND TO (level) FOR
EN-ROUTE DELAY OF (number) minutes.

9.3.1.6 Separation Instructions

CROSS (significant point) AT (time)

ADVISE IF ABLE TO CROSS (significant point) AT (time)
MAINTAIN MACH (number

GEN radio 2025 - Midtjysk Flyveskole 47