Publication: Magyar Közlöny
Issue: MK-2003-40 (Year: 2003, Number: 40)
Era: 1990-2004
Section: a 23/2003. (IV. 24.) GKM rendelethez*
Paragraph Index: 352

d) When vessels in sight of one another are approaching each other and from any cause either vessel fails to understand the intentions or actions of the other, or is in doubt whether sufficient action is being taken by the other to avoid collision, the vessel in doubt shall immediately indicate such doubt by giving at least five short and rapid blasts on the whistle. Such signal may be supplemented by a light signal of at least five short and rapid flashes.

Source: https://magyarkozlony.hu/hivatalos-lapok/2e72167675ab9de53a766f2e8ff24eebb8b45c9c/dokumentumok/3fc892723f784b7239921e296e1ba2f32c28559e/letoltes