Firefighting

If you want to use your own bambi bucket for the firefighting, you need to set and read a number of local variables. For airplanes, you need to set up the liquid dropping system (2024 only).

Helicopters

Lvars to set

MMH_COMPATIBILITY_FIREFIGHTING

Always set to 1

MMH_BAMBI_READY

Set to 1 when the bucket is ready to be used (i.e. slung under the helicopter)

MMH_BAMBI_HEIGHT

Set this to the height AGL (feet) at which the bucket is fully submerged (0 = using default value of 50)

Lvars to read

MMH_BAMBI_FULL

Use this to show/hide water inside of the bucket.

0 = bucket empty 100 = bucket full

MMH_WATER_RELEASE

Use this to drive when your water drop vfx is active.

0 = No water being dropped 100 = Water being dropped

Airplanes

For MSFS2024, you can make aircraft compatible with the mission hub by setting up the native water drop system. We monitor the following simvars:

  • LIQUID DROPPING SCOOP OPEN VALUE

  • LIQUID DROPPING TANK TOTAL WEIGHT

  • LIQUID DROPPING TANK TOTAL CAPACITY

  • LIQUID DROPPING TOTAL DROPPED FLOW

See: https://docs.flightsimulator.com/msfs2024/html/5_Content_Configuration/Careers/Aerial_Firefighting.htm#simvars

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