Dr Ray Johnston, head of the UK's Civil Aviation Authority's Aviation Health Unit (AHU), said while there had been an increase in recent years in the number of on-board medical emergencies "aviation still has an excellent safety record".

BBC: In-flight health issues 'on rise'

The best starting point is " Lonely Planet's top 10 Hawaiian vistas", a survey of the best spots across Maui , O'ahu and the Big Island where you will take the obligatory perfect photo and explore from there.

BBC: This is Hawaii week