Period of Applicability
2026-03-13 13:32 - 2028-03-13 13:32
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Interpretation
Pierce County/Thun Field Obstacle Departure Procedure amendment 4 updates takeoff minimums and departure procedures: RWY 17 requires 300-1 1/2 or standard with a 220 ft/NM climb to 900, max 140 KIAS until leaving 1400; RWY 35 requires 300-1 1/8 with a 270 ft/NM climb to 1000, max 140 KIAS until established on SEA R-168. Both runways: intercept SEA R-168 to ALDER INT/SEA 37.09 DME and hold, continue climb-in-hold (hold north, right turns, 168° inbound) to cross ALDER at or above MEA; do not exceed 175 KIAS when climbing in hold. All other data remains as published. Effective 2603131332 to 2803131332 EST.