Notes
FAA Standard Instrument Departure (SID) chart AL-582 for the Mountain Two Departure (MONTN2.SEA) from Seattle-Tacoma International Airport (SEA/KSEA). Covers departure route descriptions for Runways 16L, 16C, 16R, 34L, 34C, and 34R. Specifies climb headings (165°, 161°, 341°, 344°, 347°), fixes PEAKK (SEA 5 DME at or above 3000 ft) and NEZUG (SEA 8 DME at or above 4000 ft), right/left turns to heading 071°, RADAR vectors to assigned route/fix, and top altitude assigned by ATC. Takeoff minimums include minimum climb gradients of 500–580 ft per NM. References SEA VORTAC (116.8, Chan 115), PAE (110.6, Chan 43), YDC Princeton (113.9, Chan 86), ELN Ellensburg (117.9, Chan 126), EPH Ephrata (112.6, Chan 73), MWH Moses Lake (115.0, Chan 97), MLP Mullan Pass (117.8, Chan 125), GEG Spokane (115.5, Chan 102). Lost communications procedure: if no contact with ATC leaving 4000 ft, proceed direct SEA VORTAC then on course. Effective NW-1, 22 FEB 2024 to 21 MAR 2024.