SBS LOG 16 December East Coast UK

[Andyco]

Callsign StartTime ModeS SerialNo Registration LastAltitude LastSquawk Type RegisteredOwners Based
RRR1296 15/12/2019 22:32:41 43C147 E1029 ZE701 9425 7565 British Aerospace BAe-146 CC2 (Statesman Royal Air Force/32(TR) Squadron Northolt
CMB421 16/12/2019 00:06:24 A3E89A 27908 N351AX 32025 1152 McDonnall Douglas MD-11 Omni Aviation Tulsa
GTI8502 16/12/2019 03:23:32 A4CF26 30558 N409MC 37625 2244 Boeing 747-47UF Atlas Air Purchase
GAF686 16/12/2019 03:51:48 3EBE12 TAC CODE 41000 2250 Bombardier BD-700-1A11 Global 5,000 German Air Force/FBSBMVg Koln-Bonn
RCH458 16/12/2019 05:20:05 AE1471 F-196/P-179 07-7179 31000 4610 Boeing C-17A Globemaster III USAF/60th AMW 21st AS Spirit of Travis Travis AFB
GOLD01 16/12/2019 06:24:55 AE0151 17981 57-1493/Wolff Pack 26975 6401 Boeing KC-135R Stratotanker (717-148) USAF/100th ARW 351st ARS Mildenhall
CMB501 16/12/2019 06:25:51 AB9639 36124 N846AX 38000 601 Boeing 777-2U8(ER) Omni Air International Tulsa
GOLD02 16/12/2019 06:29:06 AE0475 17746 58-0001/Our Girl Sal 33000 7504 Boeing KC-135R Stratotanker (717-148) USAF/100th ARW 351st ARS Mildenhall
MARIO64 16/12/2019 06:37:21 AE01C9 18781 64-14841/OF 30825 4725 Boeing RC-135V Rivet-Joint (739-445B) USAF/ 55th Wg 38th RS Offut AFB
ANGUS55 16/12/2019 07:02:43 AE1254 18467 62-4127/OF 9225 3610 Boeing TC-135W Stratolifter (717-158) USAF/55thWing 45th RS Offut AFB
SUI585 16/12/2019 07:16:28 4B7F44 5530 T-751 23875 2775 Canadair CL604 Challenger Swiss Air Force/LTDB Bern
CMB118 16/12/2019 07:21:39 AB2AE1 33681 N819AX 37000 2263 Boeing 777-2U8ER Omni Air International Tulsa
QID12 16/12/2019 07:41:19 AE023B 17511 57-1440/High Life 26025 716 Boeing KC-135R Stratotanker(717-148) USAF/100th ARW 351st AS Mildenhall
NAF11 16/12/2019 08:04:50 480C1A 1009 V-11 8250 6272 Gulfstream Aerospace G-IV Gulfstream IV Netherlands Air Force/334 Squadron Eiendhoven
CMB425 16/12/2019 08:10:06 AD3C48 25238 N952CA 37000 5240 Boeing 747-428 NCR [N8] National Air Cargo Group Orlando
IFC5719 16/12/2019 08:13:56 800E42 382-5887 KC-3813 21000 2725 Lockheed Martin C-130J-30 Hercules Indian Air Force/87Squadron Raiding Raptors Arjan Sing
CWL41 16/12/2019 08:21:05 43C8D7 50000384 ZM336 8500 4272 Embraer EMB-500 Phenom 100 UK Military Flight Training System (MFTS).Affinity Flying/45 Squadron Cranwell
NAF45 16/12/2019 08:43:57 480C01 46956 T-235 33000 3143 McDonnall Douglas KDC10(KDC-10-30CF) Royal Netherlands Air Force/334 Squadron EIndhoven
CWL37 16/12/2019 08:49:12 43C8D5 50000377 ZM334 12025 4274 Embraer EMB-500 Phenom 100 UK Military Flight Training System (MFTS).Affinity Flying/45 Squadron Cranwell
RRR6352 16/12/2019 08:51:08 43C6B8 F-227/UK-7 ZZ177 35025 2032 Boeing C-17A Globemaster III Royal Air Force/99 Squadron Brizenorton
RRR2748 16/12/2019 08:55:27 43C6FA 1390 ZZ337/G-VYGH 41000 2046 Airbus A330 Voyager KC3 (A330-243MRTT) Air Tanker Ltd/Royal Air Force/10&101 Squadrons Brizenorton
CFG759 16/12/2019 08:59:00 406D26 1498 G-VYGK/ZZ340 38000 2006 Airbus A330-342 MRTT Voyager KC2 Air Tanker Ltd/Condor Manchester
EZE10H 16/12/2019 09:06:15 400986 41006 G-MAJD 19200 5443 British Aerospace Jetstream 4100 EZE [T3] Eastern Airways East Midlands
FRA83 16/12/2019 09:10:08 4009D4 cn 87 G-FRAT 18525 3323 Dassault Falcon (Mystere) 20DC Cobham Leasing Ltd/FRA Aviation Bournmouth
VULTR41 16/12/2019 09:17:49 44F0A6 6H-56 FA-56 16000 6051 SABCA (GD) F-16A MLU Fighting Falcon Belgium Air Force/31Smaldeel 349 Smaldeel OCU 10 Wing Kleine-Brogel
KNIFE79 16/12/2019 09:19:34 AE5406 D1038 08-0050/Patches 1800 460 Bell Boeing CV-22B Osprey USAF/352nd SOW 7th SOS Mildenhall
STRIX06 16/12/2019 09:21:57 AE4BE6 382-571 09-5713 3350 7000 Lockheed MC-130J Hercules Combat Commando II USAF/352nd SOW 67th SOS Mildenhall
GOLD01 16/12/2019 09:43:50 AE0151 17981 57-1493/Wolff Pack 2425 435 Boeing KC-135R Stratotanker (717-148) USAF/100th ARW 351st ARS Mildenhall
NATO30 16/12/2019 09:44:41 43C3A2 24112/1007 ZH104/Sleepy 25400 3320 Boeing E-3D Sentry AEW1(707-300) Royal Air Force/8 Squadron Waddington
GBYUE 16/12/2019 10:00:33 400EC9 82090/E G-BYUE 30975 3721 Grob G115E Tutor Babcock Aerospace Ltd /Cambridge & London university Air Squadron Wittering
STRIX67 16/12/2019 10:03:05 AE54D9 382-5778 13-5778 1125 7402 Lockheed MC-130J Hercules Combat Commando II USAF/352nd SOG 67th SOS Mildenhall
MJN281 16/12/2019 10:06:51 70C08E 382-5743 506 10575 114 Lockheed C-130J Hercules (L-382) Royal Oman Air Force/16 Squadron Musannah
CWL58 16/12/2019 10:06:56 43C8B4 11100 ZM301 1050 7001 Grob G120TP-A Prefect T.1 MFTS.Affinity Flying/3 Flight Training School /57 Squadron Cranwell
RCH980 16/12/2019 10:08:41 AE1170 F-105/P-98 02-1098 35000 2264 Boeing C-17A Globemaster III USAF/305th AW 6th AS McGuire AFB
NOH12 16/12/2019 10:21:17 43C705 E2188 ZE708 18975 6335 BAe-146 CC2 (BAe-146-100 Statesman) Royal Air Force/32(r)Squadron Northolt
SMASH61 16/12/2019 10:26:12 3F8B8B GS074 30+96 39000 1343 Eurofighter EF-2000 S German Are Force/ Tactical Air Force Wing 31 Norvenich
WIDGET57 16/12/2019 10:31:30 43C908 FM-55 ZZ507 13425 3617 Beech Shadow R2+ Royal Air Force/14 Squadron Waddington
BULLDG01 16/12/2019 10:37:37 480410 6D-173 J-017 26000 722 Fokker (GD)F-16AM Fighting Falcon Royal Netherlands Air Force/322 Squadron Leeuwarden
KNIFE72 16/12/2019 10:44:47 AE540C D1039 11-0060 10000 6402 Bell Boeing CV-22B Osprey USAF/352nd SOG 7th SOS Mildenhall
NIGHMA21 16/12/2019 10:44:53 43CAE3 BS104/380 ZK343/343 15000 6056 Eurofighter EF-2000 Typhoon FGR.4 Royal Air Force/3(F) Squadron Coningsby
CNV6314 16/12/2019 10:47:55 ADFD6D DC-795M 900528 19575 4732 Fairchild C-26D Metroliner USN NAF / Sigonella Sigonella
GBYVC 16/12/2019 10:47:59 400EE0 82113/E G-BYVC 7300 7000 Grob G115E Tutor Babcock Aerospace Ltd /Cambridge & London university Air Squadron Wittering
RRR4945 16/12/2019 10:53:51 43C5EB -060- ZM417 18800 3576 Airbus A400 C1 Royal Air Force/24 Squadron Brizenorton
NEMESIS01 16/12/2019 10:58:47 43C253 WAH.25 ZJ190 3850 1771 Westland WAH-64D Longbow Apache AH1 Army Air Corps/3&4 Regiment Wattisham
NEMESIS02 16/12/2019 11:00:59 43C266 WAH.43 ZJ209 1600 4524 Westland WAH-64D Longbow Apache AH1 Army Air Corps/3&4 Regiment-AHDSU Wattisham
CHAOS012 16/12/2019 11:09:03 43C740 BS060/228 ZK309/309 16650 6057 Eurofighter EF-2000 Typhoon FGR4 Royal Air Force/3 (F) Squadron Coningsby
QID16 16/12/2019 11:13:39 AE0240 18001 59-1513/Reluctant Dr 35000 5202 Boeing KC-135T Stratotanker (717-148) USAF/100th ARW 351st ARS Mildenhall
CWL17 16/12/2019 11:15:40 43C8D4 50000375 ZM333 2650 2610 Embraer EMB-500 Phenom 100 UK Military Flight Training System (MFTS).Affinity Flying/45 Squadron Cranwell
BKH74 16/12/2019 11:19:53 43C8C0 11131 ZM313 1775 4522 Grob G120TP-A Prefect T.1 MFTS.Affinity Flying/3 Flight Training School /57 Squadron Barkston Heath
BKH84 16/12/2019 11:26:28 43C8B7 11113 ZM304 1700 4521 Grob G120TP-A Prefect T.1 MFTS.Affinity Flying/3 Flight Training School /57 Squadron Barkston Heath
RRR2738 16/12/2019 11:30:02 43C6F6 1275 ZZ333/G-VYGD 39000 2040 Airbus A330-342 MRTT Voyager KC3 Air Tanker Ltd/Royal Air Force/10&101 Squadrons Brizenorton
AUH06 16/12/2019 11:40:04 8960B1 33473 A6-AUH 36000 5726 Boeing 737-8EX (BBJ2) Government of Abu Dhabi Royal Fligh Dhabi
RCH561 16/12/2019 11:49:04 AE0375 17787 58-0042 35100 5475 Boeing KC-135T Stratotanker(717-148) USAF/22nd ARW McConnell
KNIFE71 16/12/2019 11:49:50 AE640B D1039 11-0059/Miscoded 3400 7000 Bell Boeing CV-22B Osprey USAF/352nd SOW 7th SOS Mildenhall
NEMESIS02 16/12/2019 12:01:53 43C266 WAH.43 ZJ209 1575 4524 Westland WAH-64D Longbow Apache AH1 Army Air Corps/3&4 Regiment-AHDSU Wattisham
GTI8036 16/12/2019 12:04:32 A603B0 30609 N487MC 37000 1151 Boeing 747-45EF (SCD) Atlas Air Purchase
TTN19 16/12/2019 12:14:53 43C6F9 1363 ZZ336 27000 6402 Airbus A-330-243 MRTT Voyager KC3 Air Tanker Ltd/Royal Air Force/10&101Squadron Brizenorton
BGA143F 16/12/2019 12:24:07 394A65 796/005 F-GSTF 28975 2060 Airbus A300F4-608ST Beluga BGA - Airbus Transport International Blagnac
KNIFE72 16/12/2019 12:27:44 AE540C D1039 11-0060 26000 410 Bell Boeing CV-22B Osprey USAF/352nd SOG 7th SOS Mildenhall
CWL51 16/12/2019 12:28:42 43C8C8 11146 ZM321 9825 2611 Grob G120TP-A Prefect T.1 MFTS.Affinity Flying/3 Flight Training School /57 Squadron Cranwell
RCH451 16/12/2019 12:32:42 AE0223 48236 85-0031 36000 2515 McDonnell Douglas KC-10 Extender (DC-10-30CF) USAF/305th AMW McGuire AFB
STRIX67 16/12/2019 12:36:36 AE54D9 382-5778 13-5778 3350 414 Lockheed MC-130J Hercules Combat Commando II USAF/352nd SOG 67th SOS Mildenhall
ASCOT477 16/12/2019 12:37:14 43C5EC A4NO72 ZM418 10000 3740 Airbus Atlus A400 C1 Royal Air Force/24/70 Squadrons Brizenorton
CWL31 16/12/2019 12:38:17 43C8D8 50000386 ZM337 9975 4270 Embraer EMB-500 Phenom 100 UK Military Flight Training System (MFTS).Affinity Flying/45 Squadron Cranwell
MARIO64 16/12/2019 12:48:35 AE01C9 18781 64-14841/OF 2175 447 Boeing RC-135V Rivet-Joint (739-445B) USAF/ 55th Wg 38th RS Offut AFB
WRTHOG81 16/12/2019 12:48:52 4009D4 cn 87 G-FRAT 18125 3300 Dassault Falcon (Mystere) 20DC Cobham Leasing Ltd/FRA Aviation Bournmouth
WRTHOG82 16/12/2019 12:50:37 4009CC 20 G-FRAJ 18950 4300 Dassault Fan Jet Falcon 20 FA20 Cobham Leasing Ltd/FRA Aviation Bournmouth
SAVAGE01 16/12/2019 13:03:06 43C407 312049 XX202/CS 15000 4100 Hawker Siddeley Hawk T1A (HS-1182) Royal Air Force/100 Squadron Leeming
ARGUS33 16/12/2019 13:07:10 AE5402 FL-757 11-00284 22000 122 Raytheon Beech MC-12S Liberty US ARMY EUROPE 1MIB Wiesbarden
CWL04 16/12/2019 13:34:47 43C8C6 11143 ZM318 9000 1764 Grob G120TP-A Prefect T.1 MFTS.Affinity Flying/3 Flight Training School /57 Squadron Cranwell
ASCOT477 16/12/2019 13:37:23 43C5EC A4NO72 ZM418 9975 3603 Airbus Atlus A400 C1 Royal Air Force/24/70 Squadrons Brizenorton
SPAR17 16/12/2019 13:38:11 AE189C 34808/2008 05-0932 36000 4407 Boeing C-40C 737-7DM BBJ USAF/932nd AW 73rd AS Scott AFB
BOXER44 16/12/2019 13:39:37 AE1167 30753 02-0202 36000 4401 Boeing C-40C BBJ (737-7CP) USAF/113rd AW 201st AS/District of Columbia-ANG Andrews AFB
KING88 16/12/2019 13:40:03 AE4BE2 382-5709 09-5709 22000 4113 Lockheed HC-130J Hercules Commando King II USAF/563rd RQG 79th RQS Desert Knights Davis-Monthan AFB
16/12/2019 13:52:52 43C795 BS128/460 ZK367/EB-R 14925 3700 Eurofighter EF-2000 Typhoon FGR4 Royal Air Force/41(r)Squadron FJ&W OEU Coningsby
16/12/2019 13:53:02 43C6CB BS074/293 ZK315/315 13925 3500 Eurofighter EF-2000 Typhoon FGR.4 Royal Air Force/41(r)Squadron FJ&W OEU Coningsby
TARTN18 16/12/2019 13:53:37 43C6F7 1033 ZZ334/G-VYGE 14000 6040 Airbus A330-342 MRTT Voyager KC3 Air Tanker Ltd/Royal Air Force/10&101Squadron Brizenorton
CALLSI01 16/12/2019 13:54:41 43CAE3 BS104/380 ZK343/343 15000 4600 Eurofighter EF-2000 Typhoon FGR.4 Royal Air Force/3(F) Squadron Coningsby
ANVIL01 16/12/2019 14:03:04 480410 6D-173 J-017 26000 772 Fokker (GD)F-16AM Fighting Falcon Royal Netherlands Air Force/322 Squadron Leeuwarden
QID17 16/12/2019 14:04:16 AE0388 18199 61-0292/The Savage 2400 401 Boeing KC-135R Stratotanker(717-148) USAF/100th ARW 351st AS Mildenhall
COBRA052 16/12/2019 14:06:47 43C7AF BS154 ZK438/438 14950 3326 Eurofighter EF2000 Typhoon FGR4 Royal Air Force/29 Squadron Coningsby
UAT991 16/12/2019 14:09:17 400EE4 82117/E G-BYVG 5900 3726 Grob G115E Tutor Babcock Aerospace Ltd /Cambridge & London University Air Squadron Wittering
STRIX06 16/12/2019 14:10:34 AE4BE6 382-571 09-5713 1575 406 Lockheed MC-130J Hercules Combat Commando II USAF/352nd SOW 67th SOS Mildenhall
SUI585 16/12/2019 14:24:20 4B7F44 5530 T-751 39000 517 Canadair CL604 Challenger Swiss Air Force/LTDB Bern
TASMAN71 16/12/2019 14:24:57 4009CA 223 G-FRAH 27950 4000 Fan Jet Falcon Series D Cobham Leasing Ltd/FRA Aviation Bournmouth
CWL79 16/12/2019 14:26:33 43C8C8 11146 ZM321 8650 1764 Grob G120TP-A Prefect T.1 MFTS.Affinity Flying/3 Flight Training School /57 Squadron Cranwell
VULTR61 16/12/2019 14:31:20 44F1A1 6H-131 FA-131 17800 6061 SABCA (GD) F-16A MLU Fighting Falcon Belgium Air Force/31Smaldeel 349 Smaldeel OCU 10 Wing Kleine-Brogel
VULTR62 16/12/2019 14:31:32 44F040 6J-20 FB-20 23000 6062 SABCA (GD) F-16BM Fighting Falcon Belgium Air Force/10 Wing Kleine-Brogel
CHAOS051 16/12/2019 14:59:05 43C6CC BS075/296 ZK316/316 15000 1760 Eurofighter EF-2000 Typhoon FGR4 Royal Air Force/3 (F) Squadron Coningsby
MJN280 16/12/2019 15:04:26 70C08D 382-5739 505 13925 110 Lockheed Martin C-130J Hercules(L-382) Royal Air Force of Oman /16 Squadron Seeb
MEDVC4B 16/12/2019 15:10:35 7103E8 4324 HZ-MS4B 5450 3102 Gulfstream G450 Saudi Armed Forces Medical Services Riyadh
PIRATE14 16/12/2019 15:11:12 43C407 312049 XX202/CS 16600 3314 Hawker Siddeley Hawk T1A (HS-1182) Royal Air Force/100 Squadron Leeming
NOH12 16/12/2019 15:20:33 43C705 E2188 ZE708 15000 4237 BAe-146 CC2 (BAe-146-100 Statesman) Royal Air Force/32(r)Squadron Northolt
SCARB48 16/12/2019 15:30:17 43C2B4 FM-17 ZZ418 12050 4250 Hawker Beechcraft Shadow R1 (350CER) Royal Air Force/14 Squadron Waddington
FRA83 16/12/2019 15:37:18 4009D4 cn 87 G-FRAT 24050 6403 Dassault Falcon (Mystere) 20DC Cobham Leasing Ltd/FRA Aviation Bournmouth
EZE65Y 16/12/2019 15:37:48 400984 41018 G-MAJB 18000 7220 British Aerospace Jetstream 4100 EZE [T3] Eastern Airways East Midlands
CHAOS051 16/12/2019 15:45:19 43C6CC BS075/296 ZK316/316 6000 1760 Eurofighter EF-2000 Typhoon FGR4 Royal Air Force/3 (F) Squadron Coningsby
V8BKH 16/12/2019 15:51:47 8953DF 46 V8-BKH 9000 3111 Airbus A340-212 Sultan of Brunei Brunei
RRR4010 16/12/2019 16:02:15 43C5DC A4M017 ZM402 31000 6203 Airbus Atlas A400 C1 Royal Air Force/ 24/70 Squadrons Brizenorton
QID16 16/12/2019 16:15:22 AE0240 18001 59-1513/Reluctant Dr 4800 402 Boeing KC-135T Stratotanker (717-148) USAF/100th ARW 351st ARS Mildenhall
CNV3401 16/12/2019 16:33:19 29CBB8 382-5149 165379/BD 24925 560 Lockheed C-130T Hercules (L-382) US Navy/VR-64- Condors Willow Grove NAS
EZE103 16/12/2019 16:34:50 400986 41006 G-MAJD 15975 5464 British Aerospace Jetstream 4100 EZE [T3] Eastern Airways East Midlands
CWL36 16/12/2019 16:39:18 43C8D7 50000384 ZM336 8050 2601 Embraer EMB-500 Phenom 100 UK Military Flight Training System (MFTS).Affinity Flying/45 Squadron Cranwell
RCH500 16/12/2019 16:44:51 AE4F16 F-253/P-222 10-0222 29250 7151 Boeing C-17A Clobemaster III USAF/437th AW Charleston AFB
SAM594 16/12/2019 16:44:54 ADFEB7 29025/783 98-0001 34025 7172 Boeing VC-32A 757-2G4 USAF/1STAF Tyndall AFB
9MNAB 16/12/2019 16:51:11 75026D 4199 9M-NAB 35000 7217 Airbus A320-214ACJ Malaysia Government Subang
BOXER42 16/12/2019 17:05:39 AE1165 30755 02-0201 35000 7176 Boeing C-40C BBJ (737-7CP) USAF/113rd AW 201st AS DC-ANG Andrews AFB
---------------- 16/12/2019 17:05:59 43C240 WAH.6 ZJ169 1625 4523 Westland WAH-64D Longbow Apache AH1 Army Air Corps/3&4 Regiment Wattisham
SOO242 16/12/2019 17:14:45 AA7D2B 37987 N775SA 33000 5260 Boeing 777-FZB Southern Air Florence
STRIX62 16/12/2019 17:39:55 AE54D9 382-5778 13-5778 2325 7402 Lockheed MC-130J Hercules Combat Commando II USAF/352nd SOG 67th SOS Mildenhall
---------------- 16/12/2019 17:44:34 43C554 RT008/1246 ZK017-H 42050 6401 British Aerospace Hawk T2 Royal Air Force/4FTS/4 Squadron Valley
RRR2749 16/12/2019 18:04:48 43C6FA 1390 ZZ337/G-VYGH 16550 3327 Airbus A330 Voyager KC3 (A330-243MRTT) Air Tanker Ltd/Royal Air Force/10&101 Squadrons Brizenorton
TIGER73 16/12/2019 18:10:41 44F0C9 6H-69 FA-69 27800 6003 SABCA (GD) F-16A MLU Fighting Falcon Belgium Air Force/31 Smaldeel 349 Smaldeel OCU 10 Wing Kleine-Brogel
STRIX61 16/12/2019 18:11:44 AE5963 382-5786 13-5786/Feeling Dan 650 7402 Lockheed MC-130J Hercules Combat Commando II USAF/352nd SOG 67th SOS Mildenhall
---------------- 16/12/2019 18:42:31 601857 22687/1784 EZ-S721 7275 4402 Sikorsky S-92A Turkmenistan Government Turkman
STRIX61 16/12/2019 19:08:39 AE5963 382-5786 13-5786/Feeling Dan 6025 7402 Lockheed MC-130J Hercules Combat Commando II USAF/352nd SOG 67th SOS Mildenhall
STRIX61 16/12/2019 19:08:52 AE54D9 382-5778 13-5778 5625 7402 Lockheed MC-130J Hercules Combat Commando II USAF/352nd SOG 67th SOS Mildenhall
RRR2739 16/12/2019 19:45:52 43C6F6 1275 ZZ333/G-VYGD 15125 2011 Airbus A330-342 MRTT Voyager KC3 Air Tanker Ltd/Royal Air Force/10&101 Squadrons Brizenorton
PHGOV 16/12/2019 19:51:39 485920 64970 PH-GOV 23575 1000 Boeing 737-700 BBJ Netherlands Government Sciphol
RCH189 16/12/2019 20:22:59 AE07FF F-56/P-53 98-0053 34000 611 Boeing C-17A Globemaster III USAF/62nd AW McChord AFB
RRR2321 16/12/2019 20:34:08 43C700 1610 ZZ343 18900 3117 Airbus KC2 Voyager (A330-243MRTT) Air Tanker Ltd/Royal Air Force/10&101Squadron Brizenorton
CKS244 16/12/2019 20:40:13 A9FDEB 26350 N743CK 30000 4427 Boeing 747-246B CKS [K4] Kalitta Air Michigan

Credit Live mil mode-s

Andy
30.5 NM from NAVPI
http://www.flickr.com/photos/andrew_court/
360RADAR