Constant weight without fins (CNF) is an AIDA International (International Association for Development of Apnea) freediving discipline in which the freediver...

weight without fins (CNF), static apnea (STA), dynamic apnea without fins (DNF), dynamic with fins (DYN), free immersion (FIM), and dynamic apnea bi-fins (DYNB)...

with fins – Diving as far as possible with the use of fins. DNF = Dynamic Apnea without fins – Diving as far as possible without fins. CWT = Constant weight...

bi-fins was previously included under the umbrella term of constant weight (CWT) in competition. Prior to 2019, competitors wanting to use bi-fins in...

recognized are: static apnea, no limit, variable weight, free immersion, constant weight, constant weight without fins, AIDA – Association Internationale pour...

dynamic apnea with fins, dynamic apnea without fins (pool disciplines), constant weight apnea with fins, constant weight without fins, and free immersion...

Dynamic With Fins which is done with monofins usually but bifins are also allowed, Dynamic With Bifins which uses bifins, and Dynamic Without Fins does not...

clausal normal form, in Boolean logic Constant weight without fins, a freediving discipline in which usage of fins or change of ballast is prohibited Caucasus...

There is little difference in weight between the metal shell and GRP shell helmets because of this ballasting, and the weight is directly proportional to...

2007 by Tom Sietas of Germany. His record of 66 m (217 ft) for Constant Weight without fins, set in 2004, was beaten by 14 m in 2005 by Czech free-diver...