a. Do NOT issue conditional instructions that depend on the movement of an arrival aircraft on or
approaching the runway or a departure aircraft set on a takeoff roll. Do NOT say, "Taxi into position
and hold behind landing traffic" or "Taxi (or proceed) across runway three-six behind leaving (or
landing) Jetstar." The above requirements do not prevent issuing instructions to follow an aircraft seen
operating on the movement area according to an air traffic control (ATC) clearance. Neither does it
prevent issuing instruction that is not ambiguous.
b. Do NOT use the word "cleared" with authorization for aircraft to taxi or with equipment,
vehicles, and personnel operations. Use the prefixes "taxi," "proceed," or "hold" for aircraft instructions
and "proceed" or "hold" for equipment and vehicles.
2. DETERMINE AIRCRAFT POSITION
You should determine the position of an aircraft before issuing taxi instructions. The aircraft's
position may be determined visually by the ground controller, by the pilot's statement of his position, or
through using airport surface detection equipment.
3. ISSUE TAXI INFORMATION
When ground movement information is required, issue the route for the aircraft or vehicle to follow
on the movement area. When issuing the information, use concise and easy to understand terms.
a. When authorizing a vehicle to proceed on the movement area or an aircraft to taxi to any point
other than an assigned takeoff runway, the absence of holding instructions authorizes an aircraft or
vehicle to cross all taxiways and runways that intersect the taxi route (Figure 1-1). If it is the intent to
hold the aircraft or vehicle short of any given point along the taxi route, issue the route if necessary; then
state the holding instructions.
NOTE: Aircraft or vehicle movement on nonmovement areas is the responsibility of the pilot, the
aircraft operator, or the airport management.
b. When authorizing an aircraft to taxi to an assigned takeoff runway and "hold short" instructions
are not issued, specify the runway preceded by "taxi to" and issue taxi instructions if necessary (Figure
1-2). This authorizes the aircraft to cross all runways or taxiways that intersect the taxi route except the
assigned takeoff runway. This does NOT authorize the aircraft to enter or cross the assigned takeoff
runway at any point.
1-2
AV0944
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