In his next start, he was beaten by a head into second place at Newton Abbot, before going on to complete a four timer in Novice Hurdles between February and April 1991.
After this, he changed yards and joined new trainer W M Halley, for whom he had his first start at Punchestown in April 1991, where he finished 6th.
On his final start that season, Viking Flagship finished an 11-length second to Uncle Ernie in the Martell Aintree Chase.
He then went back to Cheltenham, where he was sent off the 5/2 favourite for the Queen Mother Champion Chase and scored a 5-length victory over Deep Sensation.
On his seasonal debut, Viking Flagship finished a distant 4th in the Tingle Creek Chase.