NEW DELHI, June 1 (Reuters) - The head of the world's

largest international airline, Dubai's Emirates, voiced

frustration over chronic aerospace supply problems on Sunday,

challenging planemakers to take responsibility for late

suppliers.

"I am pretty tired of seeing the hand-wringing about the

supply chain: you (manufacturers) are the supply chain,"

Emirates President Tim Clark said at a news briefing on the

sidelines of an IATA airline industry summit.