The International Air Transport Association (IATA) has said there is still a "huge amount" of work to be done to avoid grounded flights after Britain leaves the European Union next year.

Considerable uncertainty remains regarding the precise detail of the exit and it could be 2 years or more before these issues are fully resolved. / Preliminary estimates suggest that the number of UK air passengers could be 3-5% lower by 2020. / A big issue is with aviation regulation.

Charlie Cornish says departure from EU has harmed UK aviation sector’s ability to recruit workers.