F1N indoor hand launched glider (HLG) was a new class on the IIFI 2009. Both javelin launch and discus launch are allowed, but catapult launch is not.

Follow this link to watch a video of an Indoor HLG (cat.2) flight.

Here is the winner for F1N at the IIF 2009, Jurgen Maassen (best flight 34 s):

Here you can see a launch in Kent, USA: