"Heliswiss is an international helicopter company based at Bern-Belp Airport." swissheli.com: Heliswiss Flotte Retrieved 20 January 2013 Switzerland portal Companies portal Aviation portal Homepage Heliswiss Heliswiss Fleetlist
«Heliswiss is an international helicopter company based at Bern-Belp Airport.» swissheli.com: Heliswiss Flotte Retrieved 20 January 2013 Официальный сайта авиакомпании Heliswiss Воздушный флот авиакомпании Heliswiss