PPL - Radar and ATC services
Terms
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- What does Primary Radar do?
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- Detects your range
- and Azimuth, the angle of your aircraft. - What does Secondary Radar do? AKA ATCRBS.
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Air Traffic Control Radar Beacon System.
- Sends interrogator signal
- Gets transponder reply
- Decodes for Mode C alt. - When may you use a Transponder?
- You may use it in controlled airspace, only when it has been tested and inspected within at least the preceding 24 calendar months.
- What is squawk code 7500, 7600, and 7700?
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- 7500 > been hijacked
- 7600 > failure of 2-way communications
- 7700 > used for all emergencies. - What is ASR ?
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Airport Surveillance Radar
- Designed to provide short range coverage in the airport vicinity. - What is TRACONs ?
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Terminal Radar Approach Control Facilities
- provide radar and non-radar services.
- to ensure safe seperation of aircraft transitioning from departure to cruise flight or vice versa. - What is ARSR ?
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Air Route Surveillance Radar
- long-range radar used in controlled airspace to manage traffic.
- there are aprox. 100 in the country - What is ARTCCs ?
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Air Route Traffic Control Centers
- authority of issuing IFR clearances and managing traffic.
- also provide services to VFR (depending on workload)
- 20 ARTCCs in the U.S. - What is VFR Radar Advisory?
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- a service you can request from ATC
- alerts you of air traffic relevant to your flight - When will you receive a safety alert?
- If you are in unsafe proximity to terrain, obstructions, or another aircraft.
- What is Terminal VFR Radar Service?
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This program has 4 types of service.
- Basic radar service
- Terminal Radar Service Area
- Class C service
- Class B service - Basic Radar Service for VFR aircraft includes....?
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- safety alerts
- traffic advisories
- and limited radar vectoring - What is ATIS ?
- Automatic Terminal Information Service
- What do FSSs do?
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Flight Service Stations
- are ATC facilities which provide a variety of services to pilots
- weather briefings
- enroute communications
- and VFR search and rescue (SAR) - What does a VHF direction finder do?
- If lost, helps ATC locate and guide your aircraft, but needs a VHF transmitter and receiver.