How much diving luggage may I carry?

With Air Seychelles you can carry up to 10 kg additional diving gear free of charge. With Air France feeder flights you can take an additional 20 kg for €20 per flight. With Emirates 15 kg of luggage can be carried additionally free of charge. Qatar Airways: 10 kg additional diving luggage is free of charge. On Condor flights additional diving luggage of up to 30 kg is free. Diving luggage must generally be registered. (as of September 2006)