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The Combat Air Patrol (CAP) covering Washington D.C. and/or the Thurmont (Camp David) area is
 
The Combat Air Patrol (CAP) covering Washington D.C. and/or the Thurmont (Camp David) area is
known as the Guard Dog CAP. Notices about CAPs can be found [http://tfr.faa.gov/tfr2/list.html here] - look at entries marked '''ZDC''' in the ''facility'' column. The sector map can be seen at the right (click to enlarge - thanx Tinear).
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known as the Guard Dog CAP. Notices about CAPs can be found [http://tfr.faa.gov/tfr2/list.html here] - look at entries marked '''ZDC''' in the ''facility'' column. The sector map can be seen at the right (click to enlarge.
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[[Image:Guard Dog CAP.jpg|right|thumb|ZDC Sector map for CAP]]
 
[[Image:Guard Dog CAP.jpg|right|thumb|ZDC Sector map for CAP]]
  
Here are the units with callsigns that participate in CAP duty (with the associated callsigns):
 
* [[DC ANG 113th Fighter Wing]], 121st Fighter Squadron, BRAVE
 
* [[NJ ANG 177th Fighter Wing]], 119th Fighter Squadron, COSMIC
 
* Eglin AFB FL 58th Fighter Squadron, 33rd Fighter Wing, ARROW
 
* Shaw AFB SC 79th and 77th Fighter Squadrons, 20th Fighter Wing, PITTMAN
 
* [[Joint Base Langley–Eustis (LFI) Hampton City (VA)]] 27th Fighter Squadron, HARASS
 
* [http://www.scannewengland.net/wiki/index.php/Vermont_Military Vermont ANG]  based at Langley, MAPLE
 
* Seymour Johnson NC 334th Fighter Squadron/4th Fighter Wing, RAMROD
 
* Langley 94th Fighter Squadron, RAPTOR (old), SONIC (CAP 11/2007, 2009 Inauguration)
 
* 112th FS/180th FW, OH-ANG Toledo, MUDDY, during the 2009 Inauguration
 
  
Guidance during the Guard Dog CAP is provided by [[North American Aerospace Defense Command (NORAD)]] Eastern Air Defense Sector(EADS) using callsign HUNTRESS
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==Frequencies==
The CAP is normally comprised of two F-15 or F-16 fighters and a KC-135 tanker for refueling support. A pair of F-22A Raptor fighters participated in Dec 2006, May 2007, Nov 2007, Dec 2007, and Feb 2008.  
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Following are frequencies that '''may''' be used when the GUARD DOG CAP (District of Columbia - Naval Support Facility Thurmont "Camp David"} is active. Please note that not all frequencies are used during every CAP, in particular those labeled Noble A2A (air to air) --
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All modes are AM unless otherwise noted.
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* 121.5000 VHF Guard
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* 135.5250 Potomac Tracon
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* 139.7000 NORAD Huntress
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* 143.8250 HMX-1 MCAF Quantico VA A2A (FM Mode)
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* 226.7500 Noble A2A
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* 228.1500 Guard Dog AR
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* 228.9000 NORAD Huntress
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* 234.8000 121st DC ANG Ops Discrete
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* 238.1750 121st DC ANG Aux 5
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* 247.0500 Guard Dog AR
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* 247.5000 Guard Dog AR
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* 259.9000 Noble (Barnes) A2A
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* 260.9000 NORAD Huntress
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* 263.2000 Noble A2A
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* 265.8000 HMX-1 Common
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* 267.5000 Noble A2A
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* 268.2000 Noble A2A
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* 268.5250 Noble A2A
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* 269.5000 Potomac Tracon DCA Approach and Departure DAILY
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* 273.9500 HMX-1 A2A
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* 276.4000 HMX-1 OPS
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* 277.1750 HMX-1 Control
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* 277.4500 Noble A2A
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* 283.7000 Noble A2A
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* 285.2250 121st DC ANG A2A
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* 293.3000 Noble A2A
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* 294.7250 Noble A2A
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* 298.6000 Cosmic A2A
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* 318.9000 HMX-1 OPS
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* 319.1750 121st DC ANG Aux 7
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* 328.5000 Noble A2A
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* 350.2500 Potomac Tracon Guard Dog CAP
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* 363.9000 Noble A2A
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* 364.2000 NORAD Huntress AICC
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* 370.9750 Noble A2A
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* 373.8250 Noble A2A
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* 375.0000 Quantico Helipad
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* 379.8000 Noble A2A
  
==Frequencies==
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''All frequencies noted here are in AM mode''
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* [[Andrews Air Force Base, MD]] is often used for a refuel stop ,a maintenance problem or if bad weather develops
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----
* HUNTRESS frequencies most often used for primary CAP control are '''228.9''' and '''260.9'''. These frequencies have also been used for refueling.
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* Return to [[Delmarva Milcom Monitoring]]
* DC-ANG will often use '''139.7''' as primary CAP freq. This freq is also used by HUNTRESS to work BLACKJACK (USCG helo) units
 
* NJ-ANG has been known to use '''138.2''' as primary CAP freq
 
* Refueling is often performed on the primary frequency; in the past, it had been on a separate boom freq. The boom freq is normally stated at the beginning of the CAP. See the bottom of this article for a summary of freqs used in the past.
 
* The fighters and the tanker get clearance to enter/exit the CAP area using Guard Dog (Washington Center) special frequencies of '''135.525''' / '''350.250''' ''(primary)'' or '''126.55''' / '''269.5''' ''(secondary)''. 
 
* VT-ANG units have been noted on:
 
** '''125.125'''  Supervisor of Flight
 
** '''138.000'''  Ops
 
** '''138.525'''  Ops
 
** '''238.250'''  Air-air interflight 
 
* Shaw AFB (PITMAN) units have been noted on the following freqs:
 
** ''79th Fighter Squadron (Tigers)''
 
** '''138.025''' last noted Jan 2006<br>
 
** '''138.150''' possibly V-8<br>
 
** '''141.600''' possibly V-9<br>
 
** '''141.775''' possibly V-10<br>
 
** '''142.125''' possibly V-11 June 2006<br>
 
** '''236.550''' brief use June 2006<br>
 
** ''77th Fighter Squadron (Gamblers)''
 
** '''139.825''' V-8 used Jan, March 2007, ''138.825 hrd Dec.2006; 143.8 hrd Sept 2006''<br>
 
** '''138.025''' V-9 used Jan 2007, ''141.750 used Sept.2006, Oct 2006 CAP''<br>
 
** '''140.375''' V-10 used Sept.2006 during NYC CAP, Oct 2006 CAP<br>
 
** '''141.675''' V-11<br>
 
** '''138.900''' V-12 used Jan 2007 ''139.925 used Sept.2006''<br>
 
* Eglin AFB (ARROW) units have been noted:
 
** '''338.750'''
 
** '''369.150''' Mar.09 CAP
 
** '''259.550''' Nov 2007 CAP
 
** '''320.950''' Feb.08 CAP '15 Prime', Mar.09 CAP low use
 
** '''316.450''' Feb.08 CAP
 
** '''305.450''' Feb.08, Mar.08 CAP
 
** '''253.700''' Feb.08 CAP
 
** '''326.475''' Mar.08 CAP
 
** '''276.550''' Inauguration 2009
 
** '''257.350''' Inauguration 2009
 
* MUDDY units have used '''143.85''' for interflight during the 2009 Inauguration
 
* Mountain Home AFB (F-15C/D 366th FW/390th FS TDY Langley AFB; callsign: CLAW) manned the Guard Dog CAP over the Thanksgiving 2008 holiday weekend Ops and A/A freqs noted:
 
**'''276.625'''
 
**'''276.675'''
 
**'''357.100''' (callsign: '''CLAW OPS''')
 
**'''360.150''' (Langley interflight freq)
 
**'''NOTE:''' common ZDC freq for units TDY Langley arriving from the south is '''ZDC-Calvert 281.400'''.
 
* May 2007 RAPTOR units noted on '''315.85''' as a chitchat and talking to Guard Dog on '''126.55'''. They later reverted to the usual '''135.525''' for Guard Dog. '''350.25''' was used throughout.
 
* July and September 2007 HARASS fighters used '''360.15''' for interflight
 
* July 2007 RAMROD fighters the following were used for interflight:
 
** '''300.125'''
 
** '''300.225'''
 
** '''300.325'''
 
** '''300.425'''
 
** '''301.325'''
 
** '''301.525'''
 
** '''302.075'''
 
** '''303.000''' 
 
* As of 1st October, the [[United States Coast Guard]] has taken over responsibility for low flying and slower a/c violating the ADIZ in this region
 
* Flights and Tankers will often use the Nationwide FSS frequency '''255.4''' to get weather and other information from Leesburg Radio
 
* Also check the '''UHF''' frequencies of the following for flights arriving/leaving the CAP;
 
**[[Potomac Consolidated Terminal Radar Approach Control]]
 
**[http://www.radioreference.com/modules.php?name=RR&aid=2247 Washington Air Route Traffic Control Center]
 
**[http://www.radioreference.com/modules.php?name=RR&aid=2246 NY Air Route Traffic Control Center]   
 
<br>
 
; Other Refueling freqs noted in the past
 
* '''6.76100''' HF USB 'Tanker Common'
 
* '''123.525''' Naval Refueling
 
* '''139.875''' Tankers interplane                                                     
 
* '''143.825''' Tankers Interplane
 
* '''148.050''' Tankers Interplane
 
* '''228.000''' AR-777
 
* '''234.500''' Refueling ops Duke MOA
 
* '''235.100''' Refueling ops AR206/328
 
* '''236.250''' Aerial refueling
 
* '''238.900''' AR-212/AR-636
 
* '''252.800''' Tanker/refueling Aug 2007
 
* '''349.700''' AR20 secondary
 
* '''266.400''' Tanker/refueling Aug 2007
 
* '''266.500''' Andrews 756th ARS Interplane
 
* '''270.150''' Used briefly during Xmas 2007 CAP
 
* '''274.450''' AR218/220
 
* '''276.500''' Refueling ops AR216/609
 
* '''277.350''' CAP Refueling
 
* '''282.700''' AR Secondary
 
* '''283.900''' AR-217/AR-616
 
* '''288.000''' BLUE24 refueling
 
* '''293.700''' STEEL interplane
 
* '''294.800''' Boom Freq tanker from McGuire
 
* '''295.800''' AR-631
 
* '''299.900''' Refueling discrete noted June 06
 
* '''303.000''' 108th Refueling Wing @McGuire
 
* '''303.125''' AR18V Cherry Pt
 
* '''341.750''' AR-20
 
* '''305.500''' AR-219
 
* '''311.000''' CP Common - in the immediate Mid-Atlantic area most commonly used by the 171st ARW PA ANG Pittsburgh (callsign: STEEL) and 916th ARW/77th ARS (AFRC) Seymour Johnson AFB (callsign: BACKY).
 
* '''311.575''' AR18V Cherry Pt
 
* '''315.900''' AR-777 Secondary
 
* '''319.700''' Tanker secondary/AR-636
 
* '''320.450''' AR W-386 Test Track
 
* '''320.600'''
 
* '''324.000'''
 
* '''324.600''' AR-204/AR-207
 
* '''327.600''' Refueling AR-205
 
* '''327.900''' Refueling noted during Sept 06 CAP over NYC
 
* '''339.600''' Refueling ops Aug 2007
 
* '''341.750''' Aerial refueling
 
* '''343.500''' Refueling AR-608
 
* '''346.250''' Marine Refueling
 
* '''348.900''' AR-206H Refueling
 
* '''351.200''' Andrews 756th ARS
 
* '''365.700''' Aerial Refueling
 
* '''387.800''' Aerial Refueling
 
* '''387.900''' Tanker Boom freq
 
* '''396.200''' A/A Refueling for Europe-USA flight June 2006
 
<br>
 
Also check out the following;
 
* [http://www.radioreference.com/apps/db/?aid=2182 Langley AFB] RRDB entry
 
* [[Fort Belvoir/Davison AAF]]
 
 
''Thanks to TinEar for the writeup''
 
  
  
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[[Category:United States Air Force Frequencies in Maryland]]
 
[[Category:United States Air Force Frequencies in Maryland]]
  
[[Category:New Jersey Air National Guard]]
 
[[Category:New Jersey Air National Guard Frequencies]]
 
[[Category:New Jersey Civil Aviation]]
 
[[Category:New Jersey Military Aviation]]
 
[[Category:United States Air Force in New Jersey]]
 
[[Category:United States Air Force Frequencies in New Jersey]]
 
 
[[Category:Vermont Air National Guard]]
 
[[Category:Vermont Air National Guard Frequencies]]
 
[[Category:Vermont Civil Aviation]]
 
[[Category:Vermont Military Aviation]]
 
[[Category:United States Air Force in Vermont]]
 
[[Category:United States Air Force Frequencies in Vermont]]
 
  
 
[[Category:Virginia Air National Guard]]
 
[[Category:Virginia Air National Guard]]

Latest revision as of 09:23, 3 September 2022

The Combat Air Patrol (CAP) covering Washington D.C. and/or the Thurmont (Camp David) area is known as the Guard Dog CAP. Notices about CAPs can be found here - look at entries marked ZDC in the facility column. The sector map can be seen at the right (click to enlarge.

ZDC Sector map for CAP


Frequencies

Following are frequencies that may be used when the GUARD DOG CAP (District of Columbia - Naval Support Facility Thurmont "Camp David"} is active. Please note that not all frequencies are used during every CAP, in particular those labeled Noble A2A (air to air) --

All modes are AM unless otherwise noted.

  • 121.5000 VHF Guard
  • 135.5250 Potomac Tracon
  • 139.7000 NORAD Huntress
  • 143.8250 HMX-1 MCAF Quantico VA A2A (FM Mode)
  • 226.7500 Noble A2A
  • 228.1500 Guard Dog AR
  • 228.9000 NORAD Huntress
  • 234.8000 121st DC ANG Ops Discrete
  • 238.1750 121st DC ANG Aux 5
  • 247.0500 Guard Dog AR
  • 247.5000 Guard Dog AR
  • 259.9000 Noble (Barnes) A2A
  • 260.9000 NORAD Huntress
  • 263.2000 Noble A2A
  • 265.8000 HMX-1 Common
  • 267.5000 Noble A2A
  • 268.2000 Noble A2A
  • 268.5250 Noble A2A
  • 269.5000 Potomac Tracon DCA Approach and Departure DAILY
  • 273.9500 HMX-1 A2A
  • 276.4000 HMX-1 OPS
  • 277.1750 HMX-1 Control
  • 277.4500 Noble A2A
  • 283.7000 Noble A2A
  • 285.2250 121st DC ANG A2A
  • 293.3000 Noble A2A
  • 294.7250 Noble A2A
  • 298.6000 Cosmic A2A
  • 318.9000 HMX-1 OPS
  • 319.1750 121st DC ANG Aux 7
  • 328.5000 Noble A2A
  • 350.2500 Potomac Tracon Guard Dog CAP
  • 363.9000 Noble A2A
  • 364.2000 NORAD Huntress AICC
  • 370.9750 Noble A2A
  • 373.8250 Noble A2A
  • 375.0000 Quantico Helipad
  • 379.8000 Noble A2A