Valdavad on nüüdisajal nn. ottertraalnoot ja selle teisendid, milles horisontaalava tagavad traallauad.
Et traalnoot liikumisel horisontaalselt avaneks, kasutatakse paberlohe põhimõttel töötavaid traallaudu, mis eemalduvad traalnooda liikumise suunast paremale ja vasakule ning viivad traalnooda tiivad laiali.
Nets on board vessels which are not used must be stowed so that they may not readily be used in accordance with the following conditions:
(a) nets, weights and similar gear shall be disconnected from their trawl boards and towing and hauling wires and ropes,
(b) nets which are on or above deck shall be securely lashed to some part of the superstructure.
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