Term
| Provide preventive control service only to aircraft operating in accordance with |
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Definition
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Term
| Ground control must obtain approval from local control before authorizing an aircraft or a vehicle to |
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Definition
| cross or use any portion of an active runway. |
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Term
| what is the phraseology to cross a runway |
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Definition
| CROSS (runway) AT (point/intersection). |
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Term
| Authorization for aircraft/vehicles to taxi/proceed on or along an active runway, for purposes other than crossing, shall be provided via |
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Definition
| direct communications on the appropriate local control frequency. This authorization may be provided on the ground control frequency after coordination with local control is completed for those operations specifically described in a facility directive. |
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Term
| The local controller shall coordinate with the ground controller before using a runway |
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Definition
| not previously designated as active. |
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Term
| Determine the position of an aircraft before issuing |
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Definition
| taxi instructions or takeoff |
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Term
| At facilities without ATIS, ensure that wind shear/microburst information is broadcast to all arriving and departing aircraft |
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Definition
| for 20 minutes following the last report or indication of wind shear/microburst. |
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Term
| Local controllers may use certified tower radar displays for the following purposes |
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Definition
| To determine an aircraft's identification, exact location, or spatial relationship to other aircraft and to provide aircraft with radar traffic advisories to provide a direction or suggested headings to VFR aircraft as a method for radar identification or as an advisory aid to navigation. |
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Term
| Pilots are required to establish two-way radio communications before entering the |
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Definition
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Term
| Direct a general warning signal, alternating red and green, to aircraft or vehicle operators, as appropriate, when: |
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Definition
Aircraft are converging and a collision hazard exists. Mechanical trouble exists of which the pilot might not be aware. Other hazardous conditions are present which call for intensified pilot or operator alertness. These conditions may include obstructions, soft field, ice on the runway, etc. |
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Term
| Fixed-wing aircraft with receiver only, request the aircraft to do the following: |
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Definition
| Move ailerons or rudders while on the ground. Rock wings while in flight. |
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Term
| Fixed-wing aircraft with receiver only, request the aircraft to do the following between sunset and sunrise. |
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Definition
| Flash navigation or landing lights. |
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Term
| Flashing green light while the a/c is in flight is |
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Definition
Return for landing (to be followed by steady green at the proper time) |
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Term
Steady red with an aircraft on the ground means |
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Definition
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Term
| phraseology for a closed or unsafe runway would be |
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Definition
RUNWAY (runway number) CLOSED/UNSAFE.
If appropriate, (quote NOTAM information),
UNABLE TO ISSUE DEPARTURE/LANDING/TOUCH-AND-GO CLEARANCE.
DEPARTURE/LANDING/TOUCH-AND-GO WILL BE AT YOUR OWN RISK. |
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Term
| quality of braking action using the terms |
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Definition
| "good," "fair," "poor," "nil," or a combination of these terms. |
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Term
| The term "nil" is used to indicate |
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Definition
| bad or no braking action. |
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Term
| Operate Sequenced Flashing Lights when |
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Definition
| When the visibility is less than 3 miles and instrument approaches are being made to the runway served by the associated ALS. As requested by the pilot. As you deem necessary, if not contrary to pilot's request. |
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Term
| Do not turn on the runway edge lights when |
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Definition
| a NOTAM closing the runway is in effect |
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Term
| Operate high speed turnoff lights when |
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Definition
| Whenever the associated runway lights are used for arriving aircraft. Leave them on until the aircraft has either entered taxiway or passed the last light. As required by facility directives to meet local conditions. As requested by the pilot. |
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Term
| When authorizing use of runways and a tailwind component exists, always state both |
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Definition
| wind direction and velocity. |
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Term
| If a pilot prefers to use a runway different from that specified, the pilot is expected to |
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Definition
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Term
| To identify an observed target/track on an ASDE system display, correlate its position with one or more of the following |
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Definition
| Pilot/vehicle operator position report. Controller's visual observation. An identified target observed on the ASR or CTRD. |
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Term
| When two arrival aircraft, or an arrival aircraft and a departing aircraft activate an alert, the controller will issue |
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Definition
| go-around instructions or take appropriate action to ensure intersecting runway separation is maintained. |
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Term
| To identify an observed target/track on an ASDE system display, correlate its position with one or more of the following: |
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Definition
| Pilot/vehicle operator position report. Controller's visual observation. An identified target observed on the ASR or CTRD. |
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Term
| When the system generates an alert, the controller shall immediately assess |
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Definition
| the situation visually and as presented on the ASDE system display, then take appropriate action as follows: |
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Term
| Ground control must notify local control of any aircraft taxied |
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Definition
| to an intersection for takeoff. |
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Term
| When the runways in use for landing/departing aircraft are not visible from the tower or the aircraft using them are not visible on radar, advise the local/ground controller of |
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Definition
| the aircraft's location before releasing the aircraft to the other controller. |
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Term
| phraseology for vehicles/equipment/personnel on runways |
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Definition
| PROCEED AS REQUESTED; AND IF NECESSARY, (additional instructions or information). |
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Term
| Describe the relative position of traffic in an easy to understand manner, such as |
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Definition
| "to your right" or "ahead of you." |
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Term
| Determine the position of an aircraft before issuing |
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Definition
| taxi instructions or takeoff clearance. |
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Term
| When authorizing an aircraft to taxi to an assigned takeoff runway and hold short instructions are not issued, specify the runway preceded by |
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Definition
| taxi to," and issue taxi instructions if necessary. |
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Term
| State the runway intersection when authorizing an aircraft to |
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Definition
| taxi into position to hold or when clearing an aircraft for takeoff from an intersection. |
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Term
| Hold a taxiing aircraft or vehicle clear of the runway as follows |
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Definition
| Instruct aircraft or vehicle to hold short of a specific runway. Instruct aircraft or vehicle to hold at a specified point. Issue traffic information as necessary. |
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Term
| Phraseology for a/c taking off is |
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Definition
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Term
| Consider an aircraft cleared for touch-and-go, stop-and-go, or low approach as an arriving aircraft until it |
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Definition
| touches down (for touch-and-go), or makes a complete stop (for stop-and-go), or crosses the landing threshold (for low approach), and thereafter as a departing aircraft. |
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Term
Authorize simultaneous, same direction operations on parallel runways, on parallel landing strips, or on a runway and a parallel landing strip only when what conditions are met: |
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Definition
| Operations are conducted in VFR conditions unless visual separation is applied. Two-way radio communication is maintained with the aircraft involved and pertinent traffic information is issued. The distance between the runways or landing strips is in accordance with the minima in TBL 3-8-1 (use the greater minimum if two categories are involved). |
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Term
| Authorize simultaneous opposite direction operations on parallel runways, on parallel landing strips, or on a runway and a parallel landing strip only when the following conditions are met: |
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Definition
| Operations are conducted in VFR conditions. Two-way radio communication is maintained with the aircraft involved and pertinent traffic information is issued. |
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Term
| When gate-hold procedures are in effect, issue the following departure delay information as appropriate: |
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Definition
| Advise departing aircraft the time at which the pilot can expect to receive engine startup advisory. |
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Term
| When a local controller delivers or amends an ATC clearance to an aircraft awaiting departure and that aircraft is holding short of a runway or is holding in position on a runway, an additional clearance shall be issued to prevent the possibility of the aircraft inadvertently taxiing onto the runway and/or beginning takeoff roll. In such cases, append one of the following ATC instructions as appropriate: |
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Definition
| HOLD SHORT OF RUNWAY, or HOLD IN POSITION |
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Term
| When only Category I aircraft are involved |
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Definition
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Term
| When either is a Category III aircraft |
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Definition
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Term
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Definition
| small aircraft weighing 12,500 lbs. or less, with propeller driven twin-engines. |
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Term
| When a Category II aircraft is landing behind a Category I or II |
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Definition
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Term
| Phraseology for a clearance to land |
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Definition
| WIND (surface wind direction and velocity), CLEARED TO LAND, |
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Term
| When an arriving aircraft reports at a position where he/she should be seen but has not been visually observed, advise the aircraft to |
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Definition
| restate the landing runway. |
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Term
| Authorize helicopters to conduct simultaneous landings or takeoffs if the distance between the landing or takeoff points is at least |
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Definition
| 200 feet and the courses to be flown do not conflict. |
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