** Shares of Kelsian KLS.AX rise as much as 16.5% to A$3.25, posting their biggest intraday pct gain since July 2022
** Stock hits its highest level since March 10
** Transport provider and tourism operator says U.S. charter operations saw strong utilisation in Q3 with no material impact to date from tariff changes
** Says ramp-up of U.S. industrial contracts are progressing well
** Posts 9M underlying EBITDA of A$210 mln ($136.08 mln)
** Stock pares YTD losses to 12.8%
($1 = 1.5432 Australian dollars)
(Reporting by Sneha Kumar in Bengaluru)
((Sneha.kumar@thomsonreuters.com;))