Char Dham helicopter operators have threatened to suspend charter services from November 2, 2026, protesting UCADA’s mandatory co-pilot rule introduced after a fatal chopper crash near Joshimath. Dehradun: Helicopter operators have threatened to suspend Char Dham charter services from Monday in protest against the Uttarakhand Civil Aviation Development Authority’s (UCADA) co-pilot rule, a move likely to disrupt the final leg of the pilgrimage before the shrines close for winter.