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To help newly registered users get more familiar with the wiki (and maybe older users too) there is now a {{Welcome to the wiki}} template. Have a look at it and feel free to add it to new users discussion pages (and perhaps your own).

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Difference between revisions of "ZF Navy free balloon"

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(Switched to the ZF Navy free balloon/info documentation page for the aircraft infobox by transcluding {{:{{PAGENAME}}/info}}. This needed as the 'fgname' parameter in the new template does support underscores.)
(Dependencies: ZLT-NT is no longer part of the base package.)
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* [[Supermarine Spitfire|Spitfire II]]
* [[Supermarine Spitfire|Spitfire II]]
* [[Supermarine Spitfire Mk IX|Spitfire IX]]
* [[Supermarine Spitfire Mk IX|Spitfire IX]]
* [[ZLT-NT]]
== External links ==
== External links ==

Revision as of 16:47, 24 June 2016

ZF Navy free balloon
ZF Navy free balloon.jpg
Type Aerostat, Balloon
Author(s) Anders Gidenstam
--aircraft= ZF_Navy_free_balloon
Status Beta
 FDM Stars-3.png
 Systems Stars-2.png
 Cockpit Stars-3.png
 Model Stars-3.png
 Website The website for the ZF Navy free balloon developments.
 Repository The development repository of the ZF Navy free balloon.
Download Download the ZF Navy free balloon aircraft package for the current stable release (2018.3).
License GPLv2+

This is a US Navy free balloon as used for initial lighter-than-air training during the 1920s to 1940s. It is fairly representative for a type of aircraft that first flew in 1783 and soon afterwards found a shape and construction that it retained (almost) to this day.

Handling instructions

The ZF Navy free balloon with the envelope shader enabled.

Important controls / keys

Flight controls

  • Gas valve
  • Ballast


  • W - Weigh-off to 10% of current weight by dropping ballast. Takes about 10 seconds and only works when on the ground.
  • w - Show current on-ground weight. Only works when on the ground.
  • D/d - Drop ballast in 1%/0.1% decrements.


  • F/f - Open/close the gas valve.
  • R - Rip the envelope. Use only close to the ground and when you really really want to stay there.


This aircraft depends on instruments from some other aircraft (for FlightGear 2.6.0 and above). Install these too.

External links