| Navaid Facility ID: | SEA |
| Official Navaid Facility ID: | SEA |
| Navaid Facility Type: | VOT |
| Navaid Name: | Seattle-Tacoma |
| City: | SEATTLE |
| State: | WASHINGTON |
| FAA Region: | |
| Latitude: | 47-27-20.000N (47.4556) |
| Longitude: | 122-18-05.000W (-122.3014) |
| Lat/Long Survey Accuracy: | |
| Owner: | FEDERAL AVIATION ADMIN |
| Operator: | FEDERAL AVIATION ADMIN |
| Common System Usage: | Yes |
| Public Use: | Yes |
| Navaid Class: | VOT |
| Hours of Operation: | 24 |
| Magnetic Variance: | 15 E as of 9/30/2025 |
| ARTCC High Altitude ID (Name): | () |
| ARTCC Low Altitude ID (Name): | () |
| Navaid ID | Navaid Facility Type | Remarks |
|---|---|---|
| SEA | VORTAC | VOR UNUSBL 008-023 BYD 20 NM BLW 3500 FT; 008-023 BYD 30 NM BLW 4100 FT; 233-273 BYD 8 NM BLW 5500 FT; 233-273 BYD 20 NM BLW 8000 FT; 233-273 BYD 30 NM BLW 10000 FT; 233-273 BYD 35 NM BLW 11000 FT; 303-333 BYD 20 NM BLW 2900 FT; 303-333 BYD 30 NM BLW 4000 FT; 333-353 BYD 15 NM BLW 3500 FT; 353-008 BYD 20 NM BLW 2900 FT. |
| SEA | VORTAC | DME UNUSBL 008-028 BYD 20 NM BLW 4500 FT; 008-028 BYD 30 NM BLW 7000 FT; 203-219 BYD 27 NM; 220-225 BYD 20 NM; 226-239 BYD 27 NM; 240-253 BYD 15 NM; 303-008 BYD 30 NM BLW 3500 FT. |
| SEA | VORTAC | TACAN AZM UNUSBL 008-163; 303-008 BYD 30 NM BLW 3500 FT. |
| Navaid ID | Navaid Facility Type | Magnetic Variance | Airspace Fixes |
|---|---|---|---|
| SEA | VORTAC | 15.2 E | ALDER WA - K1 ALKIA WA - K1 ARRIE WA - K1 AUBRN WA - K1 BANDR WA - K1 BLAKO WA - K1 BLUIT WA - K1 BONNR WA - K1 BUWZO WA - K1 CARRO WA - K1 CASCD WA - K1 CHECO WA - K1 CHITS WA - K1 CIDUG WA - K1 COYLA WA - K1 DARIN WA - K1 DIABO WA - K1 DIGGN WA - K1 DUANE WA - K1 ELMAA WA - K1 FLAAK WA - K1 |
| SEA | VORTAC | 15.2 E | GLASR WA - K1 HELNS WA - K1 HETHR WA - K1 HOOME WA - K1 HUMPP WA - K1 HUVUS WA - K1 ISOGE WA - K1 IWACK WA - K1 JAKSN WA - K1 JAWBN WA - K1 KASEY WA - K1 KRUZR WA - K1 LACKR WA - K1 LOFAL WA - K1 LOSTT WA - K1 MALAY WA - K1 MCKEN WA - K1 MGNUM WA - K1 MILLT WA - K1 MOUNT WA - K1 NEVJO WA - K1 |
| SEA | VORTAC | 15.2 E | NEZUG WA - K1 NORMY WA - K1 ONALS WA - K1 PARNO WA - K1 PEAKK WA - K1 RADDY WA - K1 RICHS OR - K1 SCENN WA - K1 SHADE WA - K1 SKYKO WA - K1 SULTN WA - K1 SUMMA WA - K1 TAGOR WA - K1 TAOMA WA - K1 TEBNE WA - K1 TECEE WA - K1 TWISP WA - K1 VAMPS WA - K1 WATTR WA - K1 WEXUB WA - K1 WONKU WA - K1 |
| SEA | VORTAC | 15.2 E | WOODI WA - K1 WUMOX WA - K1 ZERLI WA - K1 ZIGED WA - K1 ZOLGI WA - K1 |
| Navaid ID | Navaid Facility Type | Holding Patterns |
|---|---|---|
| SEA | VORTAC | ALDER INT*WA*K1, Pattern #: 1 ARRIE INT*WA*K1, Pattern #: 1 BANDR INT*WA*K1, Pattern #: 1 CARRO INT*WA*K1, Pattern #: 1 JAWBN INT*WA*K1, Pattern #: 1 LOFAL INT*WA*K1, Pattern #: 1 LOFAL INT*WA*K1, Pattern #: 2 LOSTT INT*WA*K1, Pattern #: 1 MCKEN INT*WA*K1, Pattern #: 1 |
| SEA | VORTAC | MGNUM INT*WA*K1, Pattern #: 1 MILLT INT*WA*K1, Pattern #: 1 ONALS INT*WA*K1, Pattern #: 1 RADDY INT*WA*K1, Pattern #: 1 SEATTLE VORTAC*WA, Pattern #: 2 SUMMA INT*WA*K1, Pattern #: 1 VAMPS INT*WA*K1, Pattern #: 1 VAMPS INT*WA*K1, Pattern #: 2 WATTR INT*WA*K1, Pattern #: 1 |
| SEA | VORTAC | ZERLI INT*WA*K1, Pattern #: 1 |
| Navaid ID: | SEA |
| Navaid Facility Type: | |
| Air or Ground: | Air |
| Bearing of Checkpoint: | 107 |
| Altitude: | 2000 |
| Airport ID: | S36 |
| State: | WA |
| Description: | 10.3 NM OVER CENTERLINE ON APCH END RWY 33. |
| Navaid ID: | SEA |
| Navaid Facility Type: | |
| Air or Ground: | Air |
| Bearing of Checkpoint: | 308 |
| Altitude: | 2500 |
| Airport ID: | |
| State: | WA |
| Description: | 19.5 NM OVER NW END OF BRIDGE & HWY 305. |