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13JUN21 | Cross the Ditch 20: Winter 2021


Event details



With trans Tasman flights finally under way again it's time to return to our own massive Trans-Tasman event.

In the second weekend of June pilots from every corner of the globe will descend upon Australia and New Zealand to continue their undaunted quest to Cross the Ditch!

What's it all about?

For twenty hours this June, the skies over the Tasman Sea between Australia and New Zealand will be filled with aircraft all on a mission to Cross the Ditch.

An example of that typical down-under understatement, this "ditch" is over 1100nm wide. The flight routes all range from three to three-and-a-half hours flight time.

Throughout the event, the Oceania region's two divisions will be providing full gate-to-gate ATC coverage, in the Southern Hemisphere's premiere oceanic event.

This is a great opportunity to experience Oceanic flying without the need to commit to an eight-hour flight!

If you're new to Oceanic Flying, our reporting tool makes taking part a breeze along with our FAQ page on Oceanic Procedures

Event Times

This twenty hour event is timed to allow pilots from all over the world to join the fun:

  • UTC: Saturday 12th June 2021 18:00 - Sunday 13th June 2021 14:00
  • AEST: Sunday 13th June 2021 04:00 - Monday 14th June 2021 00:00
  • NZST: Sunday 13th June 2021 06:00 - Monday 14th June 2021 02:00


This season's event is organised in waves. Each airport will have a two-to-four hour departure window, during which time flights will be able to leave for the next destination. As the window closes, the departure window will open at the next destination.

Given each of the flights is 3 - 4.5hrs in length, the previous wave's flights will be arriving at the same airport as the next wave departs, maximising the amount of traffic at each airport.

NOTE: in order to ensure that you have ATC coverage throughout your flight, you MUST fly the wave route that is active at the time of your departure.

The individual routes are designed to ensure as much opposing traffic enroute as possible.

Each flight passes from one Oceania division to the other, and the result is six mini-flyins over the course of twenty hours!

The Airports for Cross the Ditch 20 - Winter 2021 are:

  • VATNZ - New Zealand
    • Christchurch (NZCH
    • Palmerston North (NZPM)
    • Ohakea (NZOH)
    • Auckland (NZAA)
  • VATPAC - Australia
    • Hobart (YMHB)
    • Brisbane (YBBN)
    • Sydney (YSSY)

Cross the Ditch 19 Route Map

Calling all Pilots and Controllers

Flight plans are available from the Flight Plans section.

Book your flights now from the Flight Bookings page. Bookings made on this site help us plan for the event, and will also show up in vroute.

Controllers wanting to get in on the action can also apply now at the event's ATC Applications page.

Cross the Ditch is brought to you by VATPAC and VATNZ
VATNZ - VATSIM New ZealandVATPAC - VATSIM Australia/Pacific

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