ARH Aerohead 30 00.350N 096 10.750W BLL Bellville 29 56.783N 096 14.767W BDS Bedias Ranch 30 45.800N 096 00.033W BRN Brenham 30 13.100N 096 22.450W CLD Caldwell 30 31.117N 096 42.200W CMR Cameron 30 52.633N 096 58.100W CRC Circle M Ranch 29 50.100N 096 31.867W CLM Columbus 29 38.467N 096 30.950W CTT Cotton Patch 30 23.200N 097 06.300W DBL Double D Ranch 29 52.617N 097 17.433W ELP El Paisano 30 02.017N 096 41.083W EGL Eagle Lake 29 36.267N 096 19.483W ELC El Campo 29 16.017N 096 19.517W FLN Flying C Ranch 30 20.967N 096 19.100W FLY Flying V Ranch 29 06.500N 096 23.933W GHS GHSA 29 36.667N 096 01.667W GDD Giddings 30 10.383N 096 58.933W GLS Gloster 29 43.983N 096 03.550W GNZ Gonzales 29 31.733N 097 27.850W HLL Halletsville 29 23.400N 096 57.350W HRN Hearne 30 52.500N 096 37.517W HNS Hensarling 31 03.217N 095 55.150W HIL Hilltop Lake 31 04.933N 096 12.750W HIN Hinson 30 03.833N 096 21.550W ISB Isbell Ranch 30 48.483N 097 16.400W KRC K Ranch 30 43.933N 096 07.783W LGR LaGrange 29 54.900N 096 57.167W LCK Lockhart 29 51.033N 097 40.300W MDS Madisonville 30 54.750N 095 57.100W MRL Marlin 31 20.500N 096 51.117W MRT Marty Ranch 29 40.617N 096 58.233W MRR Moore Ranch 31 12.867N 095 49.650W MLT Moulton 29 34.150N 097 09.167W NVS Navasota 30 22.433N 096 06.783W PPT Pea Patch 29 56.400N 096 03.617W PKR P-K Ranch 30 02.150N 096 15.817W RCK Rockdale 30 37.900N 096 59.350W ROC Rocky Creek 29 55.417N 096 48.033W SLD Salado 30 55.233N 097 32.350W SND Sandbur Ranchs 31 00.683N 096 32.450W SCH SCOH Glider 30 12.150N 095 57.833W SKD Skye Dance 30 22.850N 097 25.650W SMT Smithville 30 01.833N 097 10.000W SMR Somerville 30 19.383N 096 31.550W TLR Taylor 30 34.233N 097 26.583W TMJ Tom J Moore Farm 30 23.050N 096 13.450W VTK Vitek 30 43.750N 097 25.517W WRD Ward 29 30.150N 095 56.167W WHR Wharton 29 15.617N 096 09.333W WBR Weber Ranch 30 35.233N 096 38.050W WLB Wilbourn Ranch 29 41.233N 097 26.133W YKM Yoakum 29 18.800N 097 08.300W FNS Finish 30 13.100N 096 22.450W STR Start North 30 17.483N 096 22.433W STA Start East 30 13.133N 096 17.433W STT Start South 30 08.767N 096 22.433W STW Start West 30 13.133N 096 27.450W AND A&A Flying Service 29 32.183N 095 15.850W ARB Aero-Bee Ranch 30 52.767N 098 25.017W AG Ag 29 03.250N 095 57.750W ANS Ainsworth 30 18.767N 095 01.617W ALX Alexander Ranch 30 16.317N 098 07.017W ALS Alison 29 49.883N 097 53.350W ANC Anchorage Farm 30 00.567N 096 45.567W ANX Anxiety 32 02.267N 096 31.900W APC Apache Pass 30 44.100N 097 08.600W AST Austinia 29 25.050N 094 59.900W AVS Aviasud 29 29.183N 095 55.850W BB BB 29 21.417N 095 27.567W BAL Bailey 29 13.233N 097 52.300W BKR Baker's Place 30 19.817N 097 27.533W B00 Ball 28 53.267N 097 01.267W BMB Bamberger Ranch 30 13.017N 098 26.017W BR1 Bar 16 31 49.467N 096 46.700W BR3 Bar 3 Ranch 30 39.750N 097 37.350W BRS Bar S Ranch 30 08.600N 096 51.367W BRG Barge Ranch 31 05.517N 097 27.617W BAR Barnstormer 32 01.283N 097 15.217W BTC Bat Cave 29 40.317N 098 18.267W BLS Bayless 29 24.150N 095 25.917W BRC Bear Creek Ranch 29 48.517N 098 16.350W BRR Berry 31 27.217N 097 45.083W BGB Big Brown Creek 31 49.867N 096 03.133W BGD Big Duke's Place 28 31.817N 096 31.650W BGG Biggin Hill 30 07.100N 095 51.600W BIR Birchfield Ranch 31 15.967N 098 25.433W BLN Blanco Landing 30 07.350N 098 22.483W BLK Bleakley Ranch 30 13.517N 098 08.517W BWR Bowers 29 27.117N 095 51.933W BOD Boyd 31 34.517N 097 18.067W BRA Brandes 29 48.550N 096 15.900W BRK Breakaway Park 30 31.083N 097 46.833W BRD Bridle Ridge 30 25.083N 096 04.767W BRT Britts Crosswind 30 43.483N 097 51.717W BRU Bruner 31 23.417N 095 28.400W BUR Burris Ranch 28 53.267N 098 03.017W BRM Byram Ranch 30 13.450N 098 17.317W BYR Byrt 31 55.317N 096 15.900W CFC C F C Aviation Ranch 30 40.567N 098 01.050W CLW Calaway 29 05.017N 096 30.017W CMP Camp Longhorn 30 44.483N 098 22.717W CNN Canyon Lake 29 54.950N 098 14.850W CRD Card 28 47.350N 097 45.800W CAR Cardiff Brothers 29 43.767N 095 50.983W CRT Carter Ranch 31 34.017N 095 46.000W CHN Chan-C 30 28.767N 097 19.150W CHR Charping 31 11.617N 097 24.433W CHE Cherry Spraying Service 29 49.783N 097 05.950W CBL Cibolo Sea-Willo 29 25.750N 098 07.900W CRP Circle P Ranch 29 06.167N 098 13.000W CLV Cleveland 29 18.017N 098 11.017W CLO Clover Lake Farms 29 14.017N 095 28.600W CRP Corpora 30 48.983N 096 36.067W CGR Cougar Landing 31 38.517N 097 18.867W CRS Creasy 29 20.167N 095 06.917W CRO Cross Triangle Ranch 30 00.633N 098 25.517W CRB Cross-B 29 19.250N 098 22.217W CRC Cross-Country Estates 30 37.500N 097 34.367W CRW Crosswinds 30 25.983N 097 24.750W CUN Cunningham 29 40.533N 098 00.767W CT+ Cut and Shoot 30 19.017N 095 20.017W DNZ Danz Ranch 30 16.817N 098 25.583W DNR Dean Ranch 29 29.417N 097 07.317W DEA Dean Ranch 29 53.917N 098 24.183W DRM Deer Meadow Ranch 32 00.800N 095 55.700W DRP Deer Pasture 30 55.583N 098 14.183W DTR Deiterich Ranch 30 45.200N 098 08.800W DLV Del Valle 30 10.067N 097 35.567W DMN Diamond N Ranch 30 03.450N 095 48.767W DIA Diamondaire 31 36.500N 097 09.767W DBR Dibrell 31 26.633N 095 16.533W DLL Dillard Ranch 31 18.300N 095 47.800W DBB Dobbs Ranch 29 05.883N 096 57.317W DOU Double U Ranch 29 55.350N 098 28.850W DRB Dry Branch Ranch 29 50.400N 096 01.400W DRC Dry Creek 29 59.183N 095 41.133W DRD Dryden 30 15.633N 097 37.517W EAG Eagle 28 58.933N 095 34.783W EHN Ehni 30 55.417N 095 17.617W ELA El Paisano 30 02.017N 096 41.083W ELG Elgin Intracontinental 30 20.267N 097 21.017W ELM Elm Creek 29 30.317N 097 59.817W EST Estates 30 32.250N 095 26.183W FLF FLF 30 51.383N 097 56.750W FRW Fair Weather 29 56.250N 096 02.367W FST Faust Farm 30 16.367N 096 21.300W FNN Fenner Ranch 29 11.600N 096 41.350W FNT Fentress 29 46.100N 097 46.517W FLD Fields's Field 30 05.533N 095 39.100W FSH Fisher Ranch 30 56.983N 097 47.800W FLT Flattop Ridge 30 49.383N 098 06.650W FLI Flying 'K' 30 50.283N 097 57.017W FLG Flying Armadillo 30 08.100N 097 08.583W FLC Flying C Ranch 29 23.083N 095 40.983W FLH Flying G H Ranch 30 14.717N 097 04.967W FLR Flying H Ranch 30 39.583N 097 54.667W FLE Flying Heart Ranch 31 30.133N 097 04.850W FLJ Flying J 29 44.233N 098 22.733W FLC Flying R Ranch 29 47.967N 098 05.100W FLS Flying S Ranch 31 21.217N 095 12.350W FLX Flying X River Ranch 30 31.017N 098 10.450W FOX Fox 29 40.067N 098 11.933W FRL Frels 29 10.750N 096 19.367W GLX Galaxy Ranch 29 21.650N 096 37.350W GRN Garnett Ranch 30 05.767N 098 09.767W GRR Garrett Ranch 29 17.233N 095 21.583W GHL Gay Hill Farm 30 15.767N 096 30.017W GDP Gdap Air Ranch 30 28.817N 095 32.400W GRM Gerum Farm 29 23.517N 097 11.083W GZM Gizmo 31 55.767N 096 56.333W GLD Glad Oaks 32 01.017N 095 42.017W GLA Glaser 30 54.517N 097 07.017W GTT Gottwald 29 40.017N 097 30.017W GRA Granite Shoals 30 35.367N 098 22.217W GRE Green Acres 29 58.483N 095 49.083W GRL Green Lake Ranch 28 35.017N 096 51.267W GEE Green 30 35.767N 097 40.167W GRF Griffin 30 49.283N 098 04.833W GRS Grosser 29 46.517N 098 34.683W GRV Grove/Ranch 31 14.983N 097 31.367W H+S H & S 29 19.867N 095 42.283W HMR H M Ranch 29 35.933N 098 10.267W HHN Hahns 28 56.933N 096 32.983W HRM Harmony 29 17.767N 098 22.767W HRR Harris Ranch 30 13.183N 098 18.150W HVL Havelka Haven 31 27.917N 097 24.283W HWK Hawken Air One 30 19.100N 097 18.133W HAW Hawkeye Hunting Club 31 46.017N 097 07.767W HTH Heathrow 31 26.350N 097 08.817W HMP Hempstead 30 07.300N 096 05.200W HEN Hensley Ranch 30 42.550N 096 54.117W HRB Herbert Ranch 30 28.883N 098 16.867W HRT Heritage Ranch 29 39.267N 095 49.767W HER Heritage 29 26.667N 098 06.767W HSS Hess 30 03.117N 096 13.100W HLD Hilde-Griff 30 43.333N 097 47.483W HIT Hilltop Ranch 29 39.517N 098 08.267W HFF Hoffpauir 29 48.350N 095 45.183W HLC Holict 31 25.617N 096 58.783W HPS Hoopes Ranch 30 41.817N 097 33.600W HRS Horseshoe Bay 30 31.617N 098 21.533W HND Hound Run 29 31.300N 096 56.217W HST Houston 29 31.183N 095 16.517W HUB Hub 31 25.783N 096 07.817W JDR J-D Ranch 29 22.483N 095 17.433W JMR Jim Roach 30 00.933N 097 44.233W JNC Jo Na Acres 29 45.517N 095 54.517W JHN John B Connally Ranch 29 08.150N 098 16.583W JOH Johnnie Volk 29 21.617N 095 00.600W JRD Jordan Ranch 30 46.750N 095 47.833W JSP Joseph Ross Scherdin 29 04.867N 095 22.967W JRC Joye Ranch 29 14.500N 097 37.783W KMK Kami-Kazi 29 25.250N 095 09.550W KLL Keller Ranch 30 13.833N 098 28.517W KND Ken Ada Ranch 30 07.850N 095 54.017W KNN Kennedy Ranch 30 08.250N 098 31.517W KEN Keno 30 45.317N 097 48.000W KSR Keyes Ranch 30 17.367N 098 10.433W KNG King's Ranch 31 02.700N 098 02.567W KTT Kitty Hawk Flying 29 37.517N 098 16.683W KNP Knape 29 13.233N 095 18.650W KNA Knapp Pecan Orchard 31 58.450N 096 40.700W KBC Kubecka 28 46.033N 096 18.417W KUB Kubecka Flying Service . 28 58.850N 096 37.317W LSF Laas Farm 29 54.767N 095 59.650W LAC Lackorn 29 32.350N 097 50.100W LKB Lake Bay Gall 30 26.517N 095 11.183W LKO Lake Bonanza 30 19.983N 095 36.733W LKW Lake Whitney Country Club 32 00.017N 097 25.017W LKS Lakeside Beach 30 30.067N 098 08.817W LND Landing 31 50.133N 096 57.167W LSR Laseair 29 26.733N 095 00.467W LST Last Resort 31 27.517N 095 17.767W LMP Lempa 29 00.350N 097 18.700W LXN Lexington 30 24.750N 096 58.000W LBR Liberty Hill 31 17.683N 097 17.817W LTT Little Peach 31 12.883N 097 25.600W LVK Live Oak Ranch 30 11.233N 096 26.000W LCH Lochridge Ranch 31 59.367N 095 57.067W LNG Longbird 29 44.900N 096 06.883W MRC M Y Ranch 31 19.667N 095 34.383W MCH Macho Grande 30 32.350N 097 25.133W MRS Mario's Flying Pizza 29 44.867N 096 17.567W MRM Marmack 30 20.533N 095 39.683W MSS Massimiliano Memorial 29 21.333N 095 39.833W MCC McCreless Farm 29 22.267N 098 13.900W MCF Mcfarlin Ranch 30 41.683N 098 01.967W MER Meyer 29 21.483N 095 38.117W MDL Midlake 29 16.100N 098 20.217W MKS Mikeska 29 52.433N 096 00.267W MLS Miles 31 18.783N 096 13.233W MNR Minard Pegasus 29 19.917N 095 16.567W MCK Mockingbird Hill 31 27.917N 097 28.517W MOL Moltz 29 41.267N 097 59.767W MRH Moore HX Ranch 31 47.667N 096 12.483W MOR Morris Lazy K Ranch 31 15.683N 096 12.983W MOU Moursund Ranch 30 22.683N 098 22.567W NRR Norris Raun Ranch 29 11.767N 096 29.517W NCD North Cedar 31 16.633N 094 58.433W OHH Ohho 30 16.200N 098 06.500W OLD Old Forker 29 19.133N 095 05.150W OLK Old Kingsbury 29 38.050N 097 48.700W PTN PT Enterprise D&W Ranch 31 39.483N 096 24.683W PRS Pearson Ranch Private 29 21.517N 097 08.683W PGS Pegasus Place 30 34.017N 097 49.767W PTR Peterson 29 06.483N 095 46.650W PFF Pfeffer & Son Farms 29 55.783N 095 57.850W PHL Phillips Corporation 29 09.050N 095 29.717W PNR Piano Ranch 29 41.700N 097 09.800W PRC Pierce 28 27.517N 096 17.517W PPP Pippen-York Ranch 30 05.483N 098 21.883W PCC Pocock 31 43.933N 097 22.133W PLL Polly Ranch 29 30.283N 095 10.533W PRT Port O'Connor Private 28 25.783N 096 26.667W POR Porter Ranch 28 41.400N 097 45.617W PRP Propwash 30 24.267N 095 21.583W PRD Purdy-Nielsen Memorial 29 28.267N 095 53.183W PRM Pyramid Ranch 31 51.767N 096 11.850W RMR RMR Ranch 31 16.317N 096 26.350W RBR Rab Ranch 30 47.617N 097 54.067W RBB Rabb and Nobra 30 00.200N 096 34.867W RAB Rabbit Run 31 27.283N 097 15.017W RNB Rainbow 31 54.017N 096 36.017W RAI Rainbow 31 37.433N 096 59.550W RNC Rancho Verde 30 17.000N 096 26.850W RBL Rebel 29 23.933N 095 04.717W REI Reimers 29 42.967N 096 35.483W RNZ Renz Ranch 29 43.167N 096 18.567W RST Restoration Ranch 29 59.600N 098 02.600W RIC Rick 31 51.817N 097 22.850W ROK Rocking A 32 01.233N 097 19.867W ROY Rocky Top Ranch 30 07.817N 098 24.550W RDG Rodgers Roost 29 17.267N 096 20.983W RTH Rutherford Ranch 30 04.667N 097 57.933W SNT Saint's 29 33.150N 098 06.183W SLK Salaika 29 14.433N 095 20.683W SCT Scott 31 35.817N 097 19.800W SDL Seidel Ranch 30 08.867N 097 39.767W SHN Shanks Ag 29 19.467N 096 01.250W SHR Shirley Williams 30 41.017N 098 25.017W SHO Shoreline Ranch 30 25.717N 097 58.233W SIM Simaron Ranch 30 08.900N 095 58.017W SKL Sky Lane Ranch 30 15.417N 096 19.717W SKH Skyhaven 29 50.017N 095 08.917W SLG Slaughter Ranch 30 36.767N 098 17.850W SMI Smith 29 03.183N 096 15.733W SMH Smith 31 25.100N 097 07.550W SMD Someday Ranch 29 48.217N 097 41.467W SNG Songbird Ranch 29 22.050N 095 20.433W SPR Sport Flyers 29 50.283N 095 56.967W SQR Square K 31 46.350N 097 07.933W STM Stampede Valley 31 11.183N 097 23.433W STP Stapleton 31 52.517N 097 04.017W STV Stovall Ranch Nr 1 29 12.017N 096 33.267W SBR Sybert Farm 30 47.350N 097 39.300W TNN Tanner's 28 34.183N 096 37.783W TTM Tatum Ranch 30 06.850N 098 27.683W TXS Texas A and M Flight Test Station 30 38.017N 096 29.017W THN Thunderbird Southwest 29 54.100N 096 47.950W TCK Tick Hill 31 18.583N 097 29.083W TGR Tigerbird 31 40.767N 097 14.433W TOY Toy 29 19.967N 095 20.050W TRD Tradewind Ag 29 09.767N 096 13.517W TRL Traylor Tick Farm 29 58.350N 096 18.433W TRM Tri-Modal 30 35.517N 097 43.350W TRU Trull 28 44.350N 096 13.150W ULL Ullrich 30 05.517N 096 47.700W VRS Varisco 30 39.367N 096 32.300W WCR W C Ranch 31 28.600N 095 38.100W WDC W D Cornilius Ranch 28 57.017N 096 03.600W WJE W J E 31 47.017N 095 53.850W WLS Wales 31 35.667N 097 22.250W W West 31 45.150N 097 05.900W WHT Whatley Flying Service 28 28.683N 096 45.717W WHI White 30 59.933N 097 45.350W WHE White Wing Ranch 29 38.250N 095 58.133W WHW White Wings 30 00.683N 098 02.433W WHS Whites 28 51.100N 096 29.850W WNN Winn Ranch 29 58.017N 098 07.017W WLF Wolfe 30 54.683N 097 10.283W WMC Womack Farm 31 44.850N 097 14.767W WOO Wood Crest Ranch 31 02.500N 096 12.100W WDT Wood Triple D 30 22.750N 097 11.683W WDS Woods Nr 2 29 47.617N 095 55.517W WOD Woods 29 46.900N 095 54.883W WDM Woody McClellan Ranch 31 14.300N 097 30.850W WRR Worrell 31 10.683N 098 04.383W WTT Wyatt 29 57.600N 097 59.117W YTS Yates 29 37.267N 098 27.350W ZHL Zuehl 29 29.733N 098 09.467W CAM Camp Bullis Als (Cals) 29 44.683N 098 32.233W HDF Hood AAF 31 08.317N 097 42.867W LON Longhorn Aux Landing 31 22.267N 097 40.017W RND Randolph AFB 29 31.783N 098 16.733W RAN Randolph AFB Aux 29 33.950N 097 54.500W ROB Robert Gray AAF 31 04.033N 097 49.733W SHT Shorthorn Aux Landing 31 21.517N 097 40.267W ALV Alvin 29 24.933N 095 17.350W AUS Austin Executive 30 23.800N 097 34.033W AUT Austin-Bergstrom 30 11.667N 097 40.200W BAI Bailes 29 10.000N 095 24.050W BAC Bay City 28 58.400N 095 51.800W BRZ Brazoria County 29 06.517N 095 27.733W BLV Bulverde 29 44.350N 098 27.067W BUN Burnet Muni Kate Craddock 30 44.333N 098 14.317W CDV C David Campbell-Corsicana 32 01.683N 096 24.033W CLH Calhoun County 28 39.200N 096 40.967W CAT Carter 29 43.700N 097 39.567W CCN City-County 31 25.283N 097 47.817W CLF Clifton Muni/Isenhower 31 49.017N 097 34.017W CLT Coulter 30 42.950N 096 19.883W CVT Covey Trails 29 41.400N 095 50.383W CUR Cuero 29 05.017N 097 16.017W DNJ Dan Jones 30 02.567N 095 40.033W DVD David Wayne Hooks 30 03.717N 095 33.167W DRG Draughon-Miller Central Texas 31 09.150N 097 24.467W EAS Easterwood 30 35.317N 096 21.833W ELL Ellington 29 36.433N 095 09.533W FHM Fehmel Dusting Service 28 57.150N 095 58.417W FYI Flyin Tiger 29 15.900N 095 24.750W FLB Flyin' B 29 32.267N 095 25.433W GRG George Bush Intercontinental/Houston 29 59.067N 095 20.483W GEO Georgetown 30 40.733N 097 40.767W GLN Glen Beicker Ranch 29 31.767N 097 47.300W GOL Goliad County Industrial 28 36.500N 097 36.567W GRO Groveton-Trinity County 31 05.100N 095 09.850W HPP Happy 29 30.300N 095 54.000W HIS Hillsboro 32 05.017N 097 05.833W HOU Houston County 31 18.417N 095 24.233W HOS Houston Executive 29 48.300N 095 53.867W HOT Houston-Southwest 29 30.367N 095 28.617W HBR Huber Civic Club LLC 29 36.150N 097 59.433W HNT Huntsville 30 44.817N 095 35.233W JCK Jackson County 29 00.067N 096 34.917W KRN Karnes County 28 49.500N 097 51.933W KST Kestrel 29 48.700N 098 25.567W KIT Kittie Hill 30 36.133N 097 49.133W LPR La Porte 29 40.150N 095 03.850W LAK Lackey 29 15.967N 096 00.467W LGV Lago Vista TX-Rusty Allen 30 29.917N 097 58.167W LKH Lake Whitney State Park 31 55.517N 097 21.883W LKW Lakeway 30 21.450N 097 59.667W LAM Lampasas 31 06.367N 098 11.750W LAN Lane 29 31.467N 095 46.517W LSK Lesikar Ranch 29 31.017N 096 50.667W LNS Lone Star Executive 30 21.150N 095 24.867W MCG McGregor Executive 31 29.100N 097 19.000W MXL Mexia-Limestone Co 31 38.383N 096 30.883W NWB New Braunfels 29 42.267N 098 02.533W NWG New Gulf 29 16.567N 095 53.317W PLC Palacios 28 43.650N 096 15.050W PLS Palestine 31 46.783N 095 42.383W PRL Pearland 29 31.283N 095 14.533W SCK Sack-O-Grande Acroport 29 54.767N 095 49.600W SNN San Antonio 29 32.017N 098 28.183W SNM San Marcos 29 53.567N 097 51.783W SKY Skydive Houston 29 59.600N 095 55.817W SKA Skylark 31 05.150N 097 41.183W SKW Skyway Manor 29 33.350N 095 19.683W SPC Spicewood 30 28.683N 098 07.267W SGR Sugar Land 29 37.333N 095 39.400W SNR Sunrise Beach 30 35.933N 098 24.517W TST TSTC Waco 31 38.267N 097 04.450W TEG Teague 31 39.683N 096 18.600W TWN Twin-Oaks 29 34.217N 098 28.100W VLL Valley Mills 31 37.267N 097 25.767W VCT Victoria 28 51.150N 096 55.117W WAC Waco 31 36.683N 097 13.833W WSR Weiser 29 56.117N 095 38.383W WHO West Houston 29 49.100N 095 40.350W WST Westheimer 29 41.683N 095 47.683W WLD Wildcat Canyon 31 40.733N 097 21.767W WLL William P Hobby 29 38.733N 095 16.733W WIL Williams 30 09.200N 095 19.317W WNG Wings For Christ Flight Academy 31 37.433N 097 01.350W WOL Wolfe 29 28.800N 095 19.633W