Event Routes

The following routes will be in use for WashingtonSQUARED. The routes are identical to real world procedures as of the time of publication. You will be assigned a route to fly for traffic balancing purposes in your signup email.
# Departure Fix Route Cruise Altitudes Aircraft Centers Distance
1 BUFFR KIAD BUFFR J518 DJB J34 RWF J90 MLS J204 GTF J36 MLP GLASR5 KSEA

FL260, FL280, FL310, FL350, FL390, FL430, FL470

Normal Flight ZDC ZOB ZAU ZMP ZLC ZSE 2021 nm
3 LDN KIAD LDN J134 STL J24 MCI J80 FQF J20 PDT CHINS4 KSEA Normal Flight ZDC ZID ZKC ZDV ZLC ZSE 2178 nm


Dulles Airport Procedures

  • Aircraft departing Washington Dulles International can expect runway 1L, 19L, or 30 for departure under normal operations.
  • Please sign on and get your clearance 10-15 minutes prior to your registered slot time.
  • Be alert to runway crossing clearances. Readback of all runway holding/crossing instructions is required.

Dulles Departure Procedures

  • All aircraft should expect the CAPITAL FIVE vectored departure.

4x Cruise Procedures

  • Aircraft wishing to attend the event using 4x acceleration will receive route #3. Proceed 1x until reaching the acceleration point (LDN VOR) then 4x until the deceleration point (PDT VOR).

Seattle Arrival Procedures

  • Aircraft on routes #1 will file the GLASR5 arrival (Glacier 5).
  • Aircraft on route #3 will file the CHINS4 arrival.
  • Both are profile descents and altitudes vary depending on landing direction at Seattle. Upon receipt of, "Descend via the xxx arrival, Seattle landing North/South," you are cleared to cross the fixes listed on the chart at the altitude listed for direction of landing.

Airborne holding may be in effect for flow control into Seattle. Be aware of the hold points published on each of the arrival charts.

  • GLASR5: Holds at TEMPL, JAKSN
  • CHINS4: Holds at BRUKK, SUNED, RADDY

Seattle Airport Procedures

  • Aircraft landing at Seattle-Tacoma International can expect runway 34L/16R for landing under normal operations. This runway is on the west side of the airport and you must cross a runway to reach the terminal. Upon landing, vacate the runway and hold short of runway 34R/16L and await clearance to cross.
  • Be alert to runway crossing clearances. Readback of all runway holding/crossing instructions is required.