[Marwan]

check it in the plane cargo, dont try and bring it on the flight, use a bag (preferably rigind bags or very well padded) to avoid damage to your gear...do not use the word Gun, its fishing equipment or fishing slings..
i would assume its rather ok to travel with spearguns in SA, it seems to be quite a popular sport there, i dont think there will be an issue. lets see what other members from SA have to say though...