VATSIM オンライン情報

福岡FIR関連の航空機と管制開局情報です。(通過機は含みません。)

日本到着便時刻表(Arrivals Timetable)

到着空港 時刻 便名 出発空港 機長
RJAA 03:09(18:09Z) PAL2531 YMML Micko Aniel M. Nañez RPLL(1843004)
RJAA 19:44(10:44Z) JAL8121 RJTT 1721699 RJTT(1721699)
RJAA 21:21(12:21Z) ANA8408 VHHH 1468844 VHHH(1468844)
RJAA 21:25(12:25Z) FDX6035 KMEM Jonathan Schmidt KMEM(1114255)
RJCK 19:45(10:45Z) JAL334 RJOO hattori taisuke RJBB(1797314)
RJGG 20:54(11:54Z) CAL5314 RCTP Aaron RCTP(1375010)
RJKA 20:41(11:41Z) APJ205 RJBB Nan Zhang VHHH(1646394)
RJOA 19:37(10:37Z) ANA683 RJTT Ku Kawamura RJAA(1492784)
RJOA 19:51(10:51Z) JAL265 RJTT 1837958 RJOT(1837958)
RJOA 20:48(11:48Z) ANA1272 RJCC 810774 RJTT(810774)
RJOO 19:43(10:43Z) IBX54 RJSS HakuAoki RJSC(1896264)
RJSS 20:27(11:27Z) IBX44 RJOA Yuta RJOO(1453602)
RJSS 20:35(11:35Z) CAL066 RCTP Andy Chang RCTP(1625684)
RJTT 00:38(15:38Z) DLH716 EDDF Fabian Knecht LSZF(1793313)
RJTT 19:36(10:36Z) THA202 VTBS Longnuan VTBS(1888094)
RJTT 19:43(10:43Z) ANA109 RJOO kimura RJCC(1938543)
RJTT 19:46(10:46Z) ANA49 RJOO seigitoyokawa RJFF(1968830)
RJTT 19:46(10:46Z) JAL264 RJOA 1710436 RJTT(1710436)
RJTT 19:53(10:53Z) ANA756 RJNK HISASHI IIZUKA RJTT(1432039)
RJTT 20:04(11:04Z) CSZ651 ZGSZ Jiaming ZJHK(1692032)
RJTT 23:28(14:28Z) JAL424 PANC Markus K EFHK(1565541)
RJTY 21:15(12:15Z) OAE3047 RPLB 1654055 RPLC(1654055)
ROAH 21:28(12:28Z) APJ271 RJCC Daniele Iori LIDT(1228994)
※到着予想時間の表示について
到着予想時間は、情報取得時点の座標と到着空港の距離を直線距離で算出し、現在の対地速度(GS)で飛んだ場合の所要時間をもとに表示しています。
また、日本到着便で、100ノット以上で飛行している航空機が対象です。
ルートや気象条件・減速などの要因で前後します。あくまで目安として活用してください。

管制官(Controllers)

RJOA_TWR / 118.600

Fumiya Morosawa (1353599)

S2 Student2(TWR)

RJOO_TWR / 118.100

1621063 (1621063)

S2 Student2(TWR)

RJOA_APP / 124.050

1704230 (1704230)

S3 Senior Student(TMA)

RJBG_H_CTR / 133.800

1621318 (1621318)

C1 Controller(CTR)

covered N48/N49
Expected Transfer Altitude
vatjpn.org/document/public/om/sop/transfer-point-and-alt

航空機(Pilots)

KLM24Q / EHAM - RJAA

Patrick EHAM (1536570)

37000

152

0

RENDI2V/36L EDUPO Z739 MISGO DCT DOJOH DCT DODEN DCT NEGIX DCT DINKU DCT BESNI DCT ALUTU DCT ESEGA DCT STEIN DCT TEGRI DCT DINRO DCT UDROS UM859 KARDE UN644 FALAZ/N0481F390 UN644 ROLIN N644 ODILI DCT BARAD M747 SUBUT T916 BALUN/K0906F390 T916 PIGAL M610 RULAD/K0883S1190 A343 NLT/K0885S1250 A343 POSOT B215 FKG W188 LIKMI W270 DKO W69 HUR B339 LADIX W34 VAPGU W100 ORAVA W201 UNSEK A326 DONVO G597 AGAVO/N0488F410 Y644 EGOBA Y697 LANAT Y51 SAMON Y517 ESKAS Y303 ENTAK/N0502F430 Y30 SWAMP

DLH714 / RJTT - EDDM

Samuel Diez LEMD (1883219)

33000

41,316

520

ROVE2B INUBO Y808 PUTER A590 POWAL DCT OPAKE DCT MARCC DCT JUJXI DCT 74N160W DCT COALL DCT 83N120W 84N100W 84N080W 83N060W/M082F330 81N040W 76N020W 70N010W DCT IPTON/N0451F330 DCT UNBUD DCT DANKO DCT DOSUR DCT HAM DCT ABGUS DCT SODRO T703 LULAR T105 LANDU LANDU2B

DLH716 / EDDF - RJTT

Fabian Knecht LSZF (1793313)

31000

31,240

374

SULUS7S/18 SULUS Z650 VEMUT/N0485F350 DCT PEPIK DCT BERVA DCT ERGOM DCT BUDOP DCT DVA DCT BULEN DCT RIXEN UA17 YAVRU UA4 SIV UW706 BAMLA/N0481F370 UW706 TBN UN61 NOLGA DCT BARAD DCT SUBUT T916 BALUN/K0906F370 T916 REGMU/K0878F390 T916 PIGAL M610 RULAD/K0880S1190 A343 POSOT B215 FKG W188 LIKMI W270 DKO W69 HUR B339 LADIX W34 MUGLO/K0895S1250 W34 VAPGU W100 ORAVA W201 UNSEK A326 DONVO G597 AGAVO/N0486F410 Y644 EGOBA Y697 LANAT Y71 XAC

UAE913 / RJAA - OMDB

Lukas Ramer EDDM (1782482)

34000

38,166

464

REDEK Y60 ISAKY Y592 ONIKU A593 SADLI/N0505F360 A593 LAMEN/K0935F360 A593 AKARA/K0935S1100 A593 PK R343 MADUK W51 LEGIV W164 ADGOL W50 XSH W80 IDGAG A581 QNX W136 XISLI A581 SGM/K0922S1160 A599 LINSO/N0496F380 A599 CTG B465 CEA Q20 JJS A791 BPL L639 NINIM/N0494F400 L639 RASKI L301 RAGMA N571 VUSET A454 PASOV B540 KUPMA/N0398F240 B540 MIVEK P574 IMPED

UAE319 / RJAA - OMDB

Kai Pilipp EDDN (1480952)

34000

38,152

449

REDEK Y60 ISAKY Y592 POTET/N0507F360 Y592 ONIKU A593 LAMEN/K0933F360 A593 AKARA/K0933S1100 A593 PK R343 MADUK W51 LEGIV W164 ADGOL W50 XSH W80 IDGAG A581 QNX W136 URGIX/K0920S1160 W136 XISLI A581 SGM A599 LINSO/N0494F380 A599 CTG B465 CEA Q20 JJS A791 GOGVE/N0493F400 A791 BPL L639 RASKI L301 RAGMA N571 VUSET A454 PASOV B540 KUPMA/N0397F240 B540 MIVEK P574 IMPED

FIN73 / RJTT - EFHK

1680797 EINC (1680797)

31000

36,200

429

INUBO Y808 PUTER A590 POWAL DCT OPAKE DCT MARCC DCT JUJXI/N0483F320 DCT 80N165W/N0476F340 DCT DEKMO/N0465F360 DCT 8930N06000W/M082F370 82N020E/N0459F370 80N021E DCT BARUX DCT IBOSU Y86 LUSEP

SRR614 / RJGG - EKCH

Carl Hullman EHAM (1375685)

26000

35,824

449

YME MIHOU SAPRA/K0856S0780 DCT IKEKA/K0882S0840 DCT HCH DCT DOVIV DCT VYK DCT IDSOT DCT DKO DCT NUKTI/K0900S0920 DCT FKG DCT BAMAN/K0911F300 DCT TIPEN/N0485F320 DCT MIVKO DCT TIBLO DCT SARPI DCT TIVUG/N0481F340 DCT NEGEM DCT DISOR DCT DOLEV DCT KELEL DCT BABEN DCT TIDVU

JAL12 / RJTT - KDFW

Li Johnson KADW (1641204)

35000

39,500

517

INUBO Y808 NOLAX Y814 AVBET OTR9 EMRON 43N160E/N0489F370 48N170E 51N180E 52N170W 52N160W/N0494F390 51N150W 50N140W 48N130W DCT SHARI DCT HONSO DCT BTG DCT BOI/N0474F410 DCT KU81K DCT MTU DCT HBU DCT PNH DCT MDANO JOVEM6

CAL324 / RJCC - BIKF

Vigor Sun RCTP (1810579)

35000

39,181

465

KURIS NANNO PUGAL A590 POWAL DCT OPAKE DCT MARCC/N0484F370 DCT JUJXI DCT 76N160W DCT PEASY/N0472F390 DCT 85N120W 85N100W 85N080W 84N060W/M083F390 82N040W 80N030W 76N020W 71N010W/M082F400 DCT AKI DCT DEVUD DEVUD5N

QFA60 / RJTT - YSSY

Jason Davies YMML (953198)

33000

37,941

490

VAMOS XAC B586 SABRI/N0486F340 B586 CADDY/N0481F350 B586 UKATA 2420N14208E/N0479F360 2100N14218E/N0480F350 1925N14222E 1439N14231E/N0477F360 1044N14228E 0518N14214E/N0474F380 DCT KALIN/N0474F370 R204 KAPPU/N0472F390 R204 HID J401 BEPKU Y173 UBGAN Y161 OVNOM H652 BOREE

ANA317 / RJOA - OMDB

Doll alex (1759293)

34000

32,382

444

SINFO3 STAGE Y38 SAPRA G585 SEL G597 AGAVO/K0900S1040 A591 IKEKA W4 HCH W200 DOVIV W55 PAMRU W34 VYK B215 NIRUV W199 ALGOT V67 BIPOM/K0896S1100 V67 JSG W619 BILDA W112 PURPA/N0486F360 G325 PS/N0484F380 G325 ZB J133 PARLO G325 PG G665 ASVIB N312 SOLUV M316 KATUS A791 KUSEN M677 TUKSI P699 IVOXI DCT

FDX6035 / KMEM - RJAA

Jonathan Schmidt KMEM (1114255)

26000

31,933

426

JTEEE5 ODATE DCT LMN DCT FSD/N0484F280 Q19 ABR DCT MOT DCT DURUR DCT LERUP DCT TETAG DCT AROUK DCT YXJ/N0485F300 DCT MITOM NCA10 YAK DCT TED DCT NODLE R220 NICHO DCT HUMSA/N0487F320 DCT IPGUD Y802 OLDIV Y809 SUPOK

PHX70 / RJOA - KATL

armin xiong KSAV (1975817)

33000

35,003

505

MIDER Y28 KCC Y88 DAIGO Y889 OATIS R580 OPHET/N0488F350 R580 OPAKE DCT 56N180W DCT 58N70 DCT 59N60 DCT 59N50/N0494F370 DCT 58N40 DCT 56N30 DCT 53N20 DCT NOSIV Q909 PEMDU/N0470F390 DCT GGW DCT DIK DCT FSD Q19 HITMN DCT NEWBB DCT IHAVE DCT MTHEW CHPPR1

ANA8 / RJAA - KSFO

Troy Mogy KSNA (1177314)

35000

34,843

526

GULBO Y808 NOLAX Y812 ADNAP OTR5 KALNA 43N160E 45N170E 45N180E 43N170W/N0491F370 42N160W 41N150W 40N140W DCT HEKAB DCT 39N130W DCT DACEM DCT PAINT PIRAT3

SWR161 / RJAA - LSZH

Manuel Wild LSZN (1268560)

41000

34,188

481

GULBO Y808 PUTER A590 PUGAL/N0464F340 A590 POWAL/N0478F330 DCT NATES R338 MARCC/N0483F350 DCT JUJXI DCT 72N155W/N0481F370 DCT AGMIF DCT 81N120W 82N100W 82N080W DCT APSIN/M082F390 DCT 78N040W 70N020W 64N010W DCT NALAN/N0467F410 DCT BAMRA DCT OTLAB DCT LONAM DCT SUTAL DCT GTQ DCT BAMEV DCT BLM

CAL131 / RJCC - RCTP

Aiden Ngo RCTP (1829640)

36000

38,338

378

HWE Y12 TAPPI Z16 MIHOU/N0485F380 Y14 DGC V28 FUE Z40 IGMON A1 DRAKE DRAKE1A

CPA561 / RJBB - VHHH

Marco VHHH (1402859)

36000

30,109

452

OBLUR Y236 IVROG Y340 RUSUD Y75 IGBOD Y34 HKC Y50 IGMON A1 AIPOM/N0491F380 A1 ELATO V522 ABBEY

JAL424 / PANC - RJTT

Markus K EFHK (1565541)

34000

36,285

421

FFITZ J111 MCG B932 MORLY/N0505F360 R338 NATES R220 NUZAN/N0497F370 R220 NOGAL/N0502F380 R220 NUBDA/N0509F390 R220 NANAC/N0513F400 R220 IXE Y88 DAIGO Y10 GODIN SULPU

FDX6030 / RJBB - KMEM

132830 KFLL (1933897)

29000

29,094

505

UPMIN DOPDA KEC Y43 ISEBI Y81 TASOT Y57 PUTER/N0488F300 A590 POXED/N0483F310 A590 POWAL/N0483F320 A590 PINTT/N0482F330 A590 HAMND DCT ENA DCT JOH DCT YAK NCA10 MITOM DCT 57N125W DCT YQU/N0473F350 DCT YZU DCT YEGGA DCT ALKIK DCT YEA DCT GGW DCT DPR DCT MCI DCT LITTR DCT BEAVV HOBRK4

CSZ651 / ZGSZ - RJTT

Jiaming ZJHK (1692032)

33100

33,043

596

ZGSZ GUBLO R200 BEBEM A470 LJG B221 DST W117 BEGMO W13 LASAN G327 LAMEN A593 SADLI Y590 BEDAR Y591 FUE Y23 ARTIC Y71 XAC RJTT

CPA527 / RJAA - VHHH

Johnson Liu ZGGG (1261475)

34000

36,394

407

PIGOK2 PIGOK Y50 IGMON A1 ELATO V522 ABBEY ABBEY4A

KAL720 / RJTT - RKSI

JaeHo Lee RKSI (1463546)

36000

7,973

201

OPPAR JYOGA Y566 LAXAS Y56 TOHME Y54 KOHWA Y38 SAPRA Y685 GUKDO GUKDO2E

ADO88 / RJEC - RJTT

1260873 (1260873)

34000

39

0

KAGRA Y103 TOBBY Y10 GODIN

ANA8408 / VHHH - RJAA

1468844 VHHH (1468844)

33000

33,384

568

DALOL1X/07R DALOL V631 ENVAR M750 MUKEP Y891 AGIMO Y89 GUPER Y81 RUTAS

ANA681 / RJTT - RJOA

1459086 (1459086)

30000

1,099

0

LAYER TIARA GUSRO Y20 KAMMY Y202 AMURO

JAL725 / RJBB - WIII

Jefferson Antonio WIII (1617149)

36000

37,958

496

KRE V53 SUC Y53 MADOG M750 MORSU DCT TINHO/N0496F380 Q11 POTIB M646 SANRO/N0499F370 M646 MIA/N0496F380 M646 VJN P648 AMBOY

APJ271 / RJCC - ROAH

Daniele Iori LIDT (1228994)

36000

36,040

368

DALBI Y120 TAPPI Y12 ARIKA Y14 MIHOU Y45 ONC Y525 IHEYA

ANA683 / RJTT - RJOA

Ku Kawamura RJAA (1492784)

34000

1,881

116

LAYER TIARA GUSRO Y20 KAMMY Y202 AMURO

KAL2125 / RKPC - RJAA

Heinrich Lim WSSS (1135255)

37000

146

0

TAMNA3W TAMNA A595 DGC V28 MARCO V56 MYE Y412 ROSIE Y43 PADOC V37 KEC Y43 ISEBI Y81 RUTAS RUTAST

OAE3047 / RPLB - RJTY

1654055 RPLC (1654055)

41000

41,322

538

ARITA2B ARITA TR26 CAB N884 ALBAX Y533 AZAMA Y57 SUKBO Y571 BILLY

CAL066 / RCTP - RJSS

Andy Chang RCTP (1625684)

41000

41,294

634

MOLKA1A MOLKA M750 IMPAL Y755 CARDS CBE Y121 SWING Y88 TENRU Y15 OWLET

DLH715 / RJTT - EDDM

Viliam Krizan LOWW (1542165)

39000

39,321

542

INUBO Y808 PUTER/N0485F340 A590 POXED/N0481F350 A590 POWAL DCT OPAKE DCT MARCC/N0496F370 DCT JUJXI DCT 74N160W DCT COALL/N0487F390 DCT 83N120W 84N100W 84N080W 83N060W/M084F390 81N040W 76N020W 70N010W/M084F410 DCT IPTON/N0473F410 DCT UNBUD DCT DANKO DCT DOSUR DCT HAM DCT ABGUS DCT SODRO T703 LULAR T105 LANDU LANDU2B

IBX54 / RJSS - RJOO

HakuAoki RJSC (1896264)

28000

7,830

224

RIKYU Y882 GYODA Y88 NAKTU Y12 KOHWA Y546 AGPUK MIRAI ABENO IKOMA

JAL265 / RJTT - RJOA

1837958 RJOT (1837958)

30000

30,082

354

LAYER TIARA GUSRO Y20 KAMMY Y202 AMURO

ANA49 / RJOO - RJTT

seigitoyokawa RJFF (1968830)

29000

11,993

219

+ASUKA SHTLE Y71 XAC

PAL2531 / YMML - RJAA

Micko Aniel M. Nañez RPLL (1843004)

34000

33,989

480

YMML/16 3506S14505E ISGEL Q76 NONUM MEMIG A216 KIBAV/N0488F360 A216 FACED 05N143E 10N142E 15N141E/N0482F380 20N140E/N0485F370 25N140E 27N140E/N0478F390 28N140E UKATA/N0484F380 B586 SABRI/N0484F390 Y873 FITTO Y87 BAFFY Y81 RUTAS

JAS5B / RJAA - OMDB

Tim EDDN (1494126)

34000

40,159

446

REDEK Y60 ISAKY Y592 ONIKU A593 LAMEN/K0909F360 A593 AKARA/K0920S1040 A593 DUMET/K0907S1100 A593 PK R343 MADUK W51 LEGIV W164 ADGOL W50 XSH W80 IDGAG A581 QNX W136 XISLI A581 XFA/K0898S1160 A581 SGM A599 LINSO/N0485F380 A599 CTG B465 CEA Q20 JJS A791 BEGUM/N0481F400 A791 BPL L639 RASKI L301 RAGMA N571 VUSET A454 PASOV B540 KUPMA/N0427F240 B540 MIVEK P574 IMPED

ANA1272 / RJCC - RJOA

810774 RJTT (810774)

36000

35,600

396

DALBI Y120 TAPPI Y12 ARIKA Y14 GOLDO Y381 KMC Y382 WAKIT Y20 KAMMY Y202 AMURO

ANA109 / RJOO - RJTT

kimura RJCC (1938543)

27000

12,962

319

ASUKA4 SHTLE Y71 XAC

ANA541 / RJOO - VHHX

Felix Marjan LOWW (1513289)

28000

30,167

363

AWAJI KRE HKC/N0475F300 RUSAR BULAN DCT APU DCT HLG DCT MKG DCT ELATO DCT MAGOG

HKE687 / RJOO - VHHX

Noah LOWW (1905198)

28000

28,169

371

AWAJI KRE HKC RUSAR BULAN DCT APU DCT HLG DCT MKG DCT ELATO DCT MAGOG

CAL5314 / RCTP - RJGG

Aaron RCTP (1375010)

33000

33,389

579

MOLKA1C MOLKA M750 IMPAL Y755 CARDS

ANA1645 / RJOO - RJOM

Takeshi Takada RJTT (1757021)

28000

25

0

TIGER SUMAR AYAME SETOH ONOPA WASYU Y28 BAMBO Y283 ITUKI

BAV252 / RJOO - VHHX

Adrian Reiter LOWL (1747608)

28000

30,197

358

AWAJI KRE HKC/N0475F300 RUSAR BULAN DCT APU DCT HLG DCT MKG DCT ELATO DCT MAGOG

JAL334 / RJOO - RJCK

hattori taisuke RJBB (1797314)

41000

28,156

482

MINAC YOKKA KCC Y312 GTC Y124 MQE Y111 CRANE

APJ205 / RJBB - RJKA

Nan Zhang VHHH (1646394)

32000

31,462

356

OBLUR Y236 MULAB Y75 ALTAI Y758 TUMGI

ANA756 / RJNK - RJTT

HISASHI IIZUKA RJTT (1432039)

25000

25,003

482

OHNNO Y383 KCC Y295 GAKKI Y71 XAC

CCA916 / RJFF - ZSPD

Max Cheng ZHHH (1817093)

24000

24,426

361

SGE OLE Y40 FUE Y60 POTET A593 LAMEN/K0800F240 A593 AKARA/K0804S0730 A593 DUMET DUM92A

CAL122 / RCTP - ROAH

brian yen RCSS (1910837)

33000

26

0

KUDOS1A KUDOS R595 SEDKU Y573 MJC Y57 VELNO

CPA549 / RJTT - VHHH

George Ren ZSPD (1541053)

36000

40,293

343

LAXAS Y56 TOHME Y54 TURFY/N0498F380 Y24 KOSHI A1 ELATO V522 ABBEY

HKE622 / VHHH - RJTT

Krissen WSSS (1407541)

35000

35

0

ENVAR M750 BILLY AKSEL

JAL8121 / RJTT - RJAA

1721699 RJTT (1721699)

11000

11,039

300

RUTAS

JAL264 / RJOA - RJTT

1710436 RJTT (1710436)

37000

36,925

592

BOLIG IKUNO MIDER Y71 XAC

IBX44 / RJOA - RJSS

Yuta RJOO (1453602)

37000

23,083

455

KIJYY TOZAN YME Y381 KMC Y515 LANCE

ANA1862 / ROAH - RJOA

1549953 (1549953)

37000

1,084

0

AMAMI Y25 BOMAP Y45 MARCO Y453 SUNFL MISEN

BOX594 / RJAA - VHHH

Seb Guest EGLL (1873395)

34000

9,360

264

PIGOK Y50 IGMON A1 ELATO V522 ABBEY

THA202 / VTBS - RJTT

Longnuan VTBS (1888094)

37000

786

151

LIPLI Y16 BUTRA A1 PAPRA/K0882F370 A1 IKELA/N0470F390 DCT MORTU DCT NOBAD DCT KAPLI G86 HCN J7 PICHU Q13 IGURU Y57 SUKBO Y571 BILLY Y21 AKSEL

EOK387 / RJAH - RKSI

1445936 RKSS (1445936)

38000

10,823

378

HITAK1 OGITU Y887 DAIGO Y88 TEPEX Y16 SAPRA Y685 GUKDO GUKD2E

JAL15 / KLAX - RJTT

Enrique Torres LEAS (1673246)

36000

132

0

SUMMR2 SCTRR DCT PYE DCT AMAKR DCT LATNE DCT 44N130W 49N140W 53N150W/N0498F380 55N160W DCT CDB A342 CRYPT DCT AMOND A342 NUZAN/N0483F400 R220 NOGAL/N0496F410 R220 NANAC/N0498F400 Y810 AKRIT Y807 LALID Y804 INUBO Y108 MESSE

ANA527 / RJOO - RJFT

Frode Egeland YSSY (1897276)

36000

46

0

TIGER SUMAR AYAME SETOH ONOPA WASYU Y28 ONDOC Y452 OOITA Y40 KAZMA

JAL139 / RJTT - RJOO

SHOEI HIRAI RJTT (1958043)

32000

27

0

RJTT/34R N0509F320 LAXAS4 LAXAS Y56 TOHME Y54 KOHWA Y546 AGPUK DCT MIRAI DCT ABENO DCT IKOMA DCT RJOO/32L

AAL704 / RJTT - RKSS

Aether RKPC (1982626)

40000

43

0

BEKL2B BEKLA Y18 PIGAP Y182 BIDIK Y16 SAPRA Y685 GUKDO GUKD2T

ANA266 / RJTT - RCTP

Josh RJNS (1652459)

40000

9,545

270

LAXAS Y56 TOHME Y54 TURFY Y24 KOSHI Y50 IGMON A1 DRAKE DRAKE1A

JAL267 / RJTT - RJOA

Kazuki Kawasaki RJTT (1835300)

32000

31

0

LAYER TIARA GUSRO Y20 KAMMY Y202 AMURO