How to make a 301 redirect page with parameters?

Question

htaccess

Wordpress
Old URL /ru/yahty/?type=sailing+yacht
New URL /ru/category/sailing-yacht/
Trying to play with this:
RewriteCond %{QUERY_STRING} type=sailing+yacht
RewriteRule ^ru/yahty$ /sailing- yacht [R=301,L]
Similar to this How to make a 301 redirect from a strict address with a parameter to a new one without a parameter?
But doesn't work. What is the correct code for htaccess?

Answer 1

https://donatstudios.com/RewriteRule_Generator

Answer 2

what does "doesn't work" mean?
possibly /ru/yahty/$
may need to add /ru/category/sailing-yacht