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Sunday, 28 June 2015

Game Bug effecting F-15C BFT Campaign Mission BFT10 - Instrument Flight Plan Navigation

A user reported that they continually got an Altitude Failure at the 5th WP when flying at the correct altitude (12,000').

We have determined that there is a discrepancy between the HUD and Altitude indicator displayed values and what the game engine is determining as the aircrafts altitude.  It's off by a few hundred feet but it's enough to cause our trigger to fail.

For example our mission triggers are detecting +/- 300' from 12,000' and if you fly with your HUD or Altitude indicator at exactly 12,000' the game engine is actually registering your aircraft higher than 12,300' and that puts you outside the success trigger zone resulting in an Altitude Failure call.

HUD Altitude Value:

Game Altitude Value:

The short term fix is to fly to WP 5 at about 11,800' altitude instead of exactly at 12,000'.

We don't know if this is effecting other campaigns (A-10A, A-10C or MiG-29) but we will be testing those to find out.

We will also open a bug report to see if ED can fix it.

In the mean time, just fly slightly below 12,000' and you should be able to pass the mission.  

We will release an update to make the trigger zone wider to account for this issue but it's surprising that the other WP's don't experience the problem so it may be localized to that area of the map.


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