Parked Boeing 737-800 aircrafts belonging to budget carrier Norwegian Air are pictured at Stockholm Arlanda Airport

Parked Boeing 737-800 aircrafts belonging to budget carrier Norwegian Air are pictured at Stockholm Arlanda Airport

Parked Boeing 737-800 aircrafts belonging to budget carrier Norwegian Air are pictured at Stockholm Arlanda Airport March 6, 2015. Norway’s national mediator will meet with budget airline Norwegian Air Shuttle and its striking pilots later on Friday in a bid to end their dispute. REUTERS/Johan Nilsson/TT News Agency (SWEDEN – Tags: TRANSPORT CIVIL UNREST) ATTENTION EDITORS – SWEDEN OUT. NO COMMERCIAL OR EDITORIAL SALES IN SWEDEN. THIS IMAGE HAS BEEN SUPPLIED BY A THIRD PARTY. IT IS DISTRIBUTED, EXACTLY AS RECEIVED BY REUTERS, AS A SERVICE TO CLIENTS