Emirates and Etihad Airways will share information and intelligence after signing a security pact on Monday.
The agreement — which is the first between the two airlines — involves Emirates Group Security and Etihad Aviation Group working "together on operational areas both within and outside the UAE," according to an Emirates statement.
The agreement was signed by Emirates president Tim Clark and Etihad's new group chief executive Tony Douglas.
In October last year, Mr Clark said Emirates was open to working with Etihad, including on procurement.
"I think there is value to be had working more closely with them," he said.
Under Monday's agreement, Emirates Group Security will provide security and training programmes to Etihad and help develop their security escort capability.
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8 traditional Jamaican dishes to try at Kingston 21
- Trench Town Rock: Jamaican-style curry goat served in a pastry basket with a carrot and potato garnish
- Rock Steady Jerk Chicken: chicken marinated for 24 hours and slow-cooked on the grill
- Mento Oxtail: flavoured oxtail stewed for five hours with herbs
- Ackee and salt fish: the national dish of Jamaica makes for a hearty breakfast
- Jamaican porridge: another breakfast favourite, can be made with peanut, cornmeal, banana and plantain
- Jamaican beef patty: a pastry with ground beef filling
- Hellshire Pon di Beach: Fresh fish with pickles
- Out of Many: traditional sweet potato pudding