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What does Squawk VFR mean?

Visual flight rules Visual flight rules (VFR) flight standard squawk code used in North American airspace when no other has been assigned or is applicable.

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Code Countries Allocated use

0000 Europe Non-discrete mode A code; shall not be used.[1]

UK Mode C or other SSR failure[2]

US Should never be assigned.[3]

Military intercept code.[4]

Internal ARTCC subsets assigned by Enroute Safety and Operations Support. (Blocks of discrete codes except that xx00 is used as a non-discrete code after all discrete codes are assigned.)[3] 0021 Germany (VFR squawk code for airspace 5,000 feet (1,500 m) and below prior to 15 March 2007 when replaced by the international 7000 code for VFR traffic.)[5] 0022 Germany (VFR squawk code for airspace above 5,000 feet (1,500 m) – prior to 15 March 2007 when replaced by the international 7000 code for VFR traffic.)[5]

0025 Germany Parachute dropping in progress.[ citation needed ]

0033 UK Parachute dropping in progress.[2]

0041–0057 Belgium Assigned for VFR traffic under Flight Information Services (BXL FIC).[ citation needed ] 0100 Australia Flights operating at aerodromes (in lieu of codes 1200, 2000 or 3000 when assigned by ATC or noted in the Enroute Supplement).[6] 0100–0400 US Allocated to Service Area Operations for assignment for use by Terminal/CERAP/industry/unique purpose/experimental activities.[3] 0100–0700 US Non-discrete code assignments in accordance with FAA Order JO 7110.65, 5-2. US Also for use in oceanic airspace unless another code is assigned by ATC.[3] 0500, 0600, 0700 US External ARTCC subsets. (Blocks of discrete codes except that xx00 is used as a non-discrete code after all discrete codes are assigned.)[3] 1000 Canada Instrument Flight Rules (IFR) flight below 18,000 ft ASL when no other code has been assigned.[7] US Non-discrete code assignments in accordance with FAA Order JO 7110.65, 5-2. Also for use in oceanic airspace unless another code is assigned by ATC (US).[3] US External ARTCC subset. (Block of discrete codes except that xx00 is used as a non-discrete code after all discrete codes are assigned.)[3] 1100 US Non-discrete code assignments in accordance with FAA Order JO 7110.65, 5-2. Also for use in oceanic airspace unless another code is assigned by ATC.[3] US External ARTCC subset. (Block of discrete codes except that xx00 is used as a non-discrete code after all discrete codes are assigned.)[3]

1200 Australia Civil VFR flights in class E or G airspace.[6]

Canada, US Visual flight rules (VFR) flight standard squawk code used in North American airspace when no other has been assigned or is applicable.[7][3] 1201 US Assigned via FAR 93.95 for use by VFR aircraft in the immediate vicinity of LAX.[3] US (Visual flight rules (VFR) glider operations for gliders not in contact with ATC, through February 2012.[8]) 1202 US Visual flight rules (VFR) glider operations for gliders not in contact with ATC; effective February 2012.[3][9] Canada Visual flight rules (VFR) glider operations for gliders not in contact with ATC; effective February 2017.[7][10] 1203–1272 US Discrete 1200 series codes unless otherwise allocated (for example, 1255), designated for DVFR aircraft and only assigned by a flight service station.[3] 1255 US Aircraft not in contact with an ATC facility while enroute to/from or within the designated fire fighting area(s).[3][11]

1273–1275 US Calibration Performance Monitoring Equipment (CPME) "Parrot" transponders.[3]

1277 US VFR aircraft which fly authorized SAR missions for the USAF or USCG while enroute to/from or within the designated search area.[3][11] 1300 US Non-discrete code assignments in accordance with FAA Order JO 7110.65, 5-2. Also for use in oceanic airspace, unless another code is assigned by ATC.[3] US External ARTCC subset. (Block of discrete codes except that xx00 is used as a non-discrete code after all discrete codes are assigned.)[3] 1400 Canada VFR flight above 12,500' ASL when no other code has been assigned.[7]

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Japan VFR flight above 10,000' MSL when no other code has been assigned.[ citation needed ] US External ARTCC subset. (Block of discrete codes except that xx00 is used as a non-discrete code after all discrete codes are assigned.)[3] 1500 US Non-discrete code assignments in accordance with FAA Order JO 7110.65, 5-2. Also for use in oceanic airspace unless another code is assigned by ATC.[3] US External ARTCC subset. (Blocks of discrete codes except that xx00 is used as a non-discrete code after all discrete codes are assigned.)[3] 1600, 1700 US External ARTCC subsets. (Blocks of discrete codes except that xx00 is used as a non-discrete code after all discrete codes are assigned.)[3]

2000 Australia Civil IFR flights in class G airspace.[6]

Canada Uncontrolled IFR at or above 18,000 ft MSL.[7]

ICAO countries Code squawked when entering a secondary surveillance radar (SSR) area from a non-SSR area used as uncontrolled IFR flight squawk code.[1] EASA countries Code that pilot shall set in the absence of ATS instructions related to code setting, unless when not receiving air traffic services.[12] US Non-discrete code assignments in accordance with FAA Order JO 7110.65, 5-2. Also for use in oceanic airspace unless another code is assigned by ATC.[3] US External ARTCC subset. (Block of discrete codes except that xx00 is used as a non-discrete code after all discrete codes are assigned.)[3]

2100 Australia Ground testing by aircraft maintenance staff.[6]

US Non-discrete code assignments in accordance with FAA Order JO 7110.65, 5-2.

US Also for use in oceanic airspace unless another code is assigned by ATC.[3] US External ARTCC subset. (Block of discrete codes except that xx00 is used as a non-discrete code after all discrete codes are assigned.)[3] 2200, 2300, 2400 US Non-discrete code assignments in accordance with FAA Order JO 7110.65, 5-2. US Also for use in oceanic airspace unless another code is assigned by ATC.[3] US External ARTCC subsets. (Blocks of discrete codes except that xx00 is used as a non-discrete code after all discrete codes are assigned.)[3] 2500, 2600, 2700 US External ARTCC subsets. (Blocks of discrete codes except that xx00 is used as a non-discrete code after all discrete codes are assigned.)[3] 3000 Australia Civil flights in classes A, C and D airspace, or IFR flights in class E airspace.[6] US External ARTCC subset. (Block of discrete codes except that xx00 is used as a non-discrete code after all discrete codes are assigned.)[3] 3100, 3200, 3300, 3400, 3500, 3600, 3700 US External ARTCC subsets. (Blocks of discrete codes except that xx00 is used as a non-discrete code after all discrete codes are assigned.)[3] 4000 Australia Civil flights not involved in special operations or SAR, operating in class G airspace in excess of 15NM offshore.[6] US Aircraft on a VFR Military Training Route or requiring frequent or rapid changes in altitude.[13]

US Non-discrete code assignments in accordance with FAA Order JO 7110.65, 5-2.

US Also for use in oceanic airspace unless another code is assigned by ATC.[3] US External ARTCC subsets. (Blocks of discrete codes except that xx00 is used as a non-discrete code after all discrete codes are assigned.)[3] 4100 US External ARTCC subsets. (Blocks of discrete codes except that xx00 is used as a non-discrete code after all discrete codes are assigned.)[3] 4200, 4300 US Internal ARTCC subsets assigned by Enroute Safety and Operations Support. (Blocks of discrete codes except that xx00 is used as a non-discrete code after all discrete codes are assigned.)[3] 4400–4477 US Reserved for use by SR-71, YF-12, U-2, B-57, pressure suit flights, and aircraft operations above FL600.[3][13]

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4401–4433 US Reserved in accordance with FAA Order JO 7110.67 (Federal Law Enforcement).[3]

4434–4437 US Weather reconnaissance, as appropriate.[3]

4440,4441 US Operations above FL600 for Lockheed/NASA from Moffett Field.[3]

4442–4446 US Operations above FL600 for Lockheed from Air Force Plant 42.[3]

4453 US High balloon operations: National Scientific Balloon Facility in Palestine, Texas; and other providers, some in international operations.[3] 4454–4465 US Air Force operations above FL600 as designated in FAA Order 7610.4.[3] 4466–4477 US Reserved in accordance with FAA Order JO 7110.67 (Federal Law Enforcement).[3] 4500, 4600, 4700 US Internal ARTCC subsets assigned by Enroute Safety and Operations Support. (Blocks of discrete codes except that xx00 is used as a non-discrete code after all discrete codes are assigned.)[3]

5000 Australia Aircraft flying on military operations.[6]

5061–5062, 5100, 5200 US Reserved for special use by Potomac TRACON.[3]

5100, 5200, 5300, 5500 US Internal ARTCC subsets assigned by Enroute Safety and Operations Support. (Blocks of discrete codes except that xx00 is used as a non-discrete code after all discrete codes are assigned.)[3] 5100–5300 US May be used by DOD aircraft beyond radar coverage but inside US controlled airspace with coordination as appropriate with applicable Area Operations Directorate.[3] 5600, 5700 US External ARTCC subsets. (Blocks of discrete codes except that xx00 is used as a non-discrete code after all discrete codes are assigned.)[3]

6000 Australia Military flights in class G airspace.[6]

US External ARTCC subset. (Blocks of discrete codes except that xx00 is used as a non-discrete code after all discrete codes are assigned.)[3] 6200, 6300 US External ARTCC subsets. (Blocks of discrete codes except that xx00 is used as a non-discrete code after all discrete codes are assigned.)[3] 6500, 6600, 6700 US External ARTCC subsets. (Blocks of discrete codes except that xx00 is used as a non-discrete code after all discrete codes are assigned.)[3] 7000 ICAO VFR standard squawk code when no other code has been assigned.[1] EASA countries Code that pilot shall set when not receiving air traffic services, unless otherwise prescribed by the competent authority.[12] US External ARTCC subset. (Block of discrete codes except that xx00 is used as a non-discrete code after all discrete codes are assigned.)[3] Australia Unmanned aerial vehicle in all classes of airspace and when instructed to enable transponder.[6]

7001 France Used in some countries to identify VFR traffic.

UK Sudden military climb out from low-level operations.[2]

7004 UK Aerobatic and display code in some countries.[2]

7100, 7200, 7300 US External ARTCC subsets. (Blocks of discrete codes except that xx00 is used as a non-discrete code after all discrete codes are assigned.)[3]

Switzerland 7100 in Switzerland for SAR (REGA).[14]

7601–7607 US Reserved for special use by FAA.[3]

7610–7676 US External ARTCC subset (block of discrete codes).[3]

7615 Australia Civil flights engaged in littoral zone surveillance.[6]

7701–7707 US Reserved for special use by FAA.[3]

7710–7776 US External ARTCC subset (block of discrete codes).[3]

7777 US, Germany, Belgium, Netherlands Non-discrete code used by fixed test transponders (RABMs) to check correctness of radar stations (BITE).

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