Ships & Boats quiz

[wibblypig]

Any help with the following will be gratefully received. All answers are boats or ships:
A cricket club in unending icy regions (7)
Weighs more than 750 grams (6)
Lock up (4)
One who searches (7)
Acknowledger of gifts, less hard (6)

[shaneystar2]

Lock up ..Brig ..prison ship

[shaneystar2]

One who searches...Trawler ? As in trawling through things searching for something.

[Salty]

Acknowledger of gifts, less hard = tanker (thanker without the h)

[crofter]

Polacca = a cc inside pola(r)

[crofter]

One who searches could also be Dredger??

[Bizziebod]

weighs more than 750grams.. must be something to do with brakes on a trailer.. Legally you can tow a boat under this weight without brakes on your trailer.
Lookout for someone who searches?

[Phil7]

Is that law, 750 grams (about 1.65 pounds), or 750 kg (3/4 ton), Bbod??

[Aquagility]

Weighs more than 750 grams = packet

[wibblypig]

thank you everyone!!