Durham Tees Valley airport have expressed their "acute disappointment" over their lack of funding from the Regional Growth Fund.
The airport were hoping for a £5.9m grant in support of its Southside development.
“The Airport has now been notified officially that the Regional Growth Fund bid for £5.9m in support of the Southside development was unsuccessful.
"The Directors expressed acute disappointment and will be seeking an explanation for the decision.
The Board also reaffirmed its commitment to pursuing the Southside scheme which is vital to providing sustainable aviation at the Airport.”
More top news
The first people to be prosecuted after protesting against drilling for shale gas in North Yorkshire are due to appear in court today.
A set's been created with pieces from the homes the actress, best known as Scarlett O'Hara, shared with her husband Sir Laurence Olivier.
People could suffer vision loss or infection from the lenses, which are often sold illegally online, in shops and on market stalls.