A Bristow EC225 was forced to return to base after a cockpit warning light came on.
As per standard, Aberdeen International Airport declared a full emergency and fire crews, who had already extinguished a small fire earlier in the morning, were called to the runway.
The chopper landed without incident and the airport was stood down from full emergency status.
A spokesperson for Bristow said: “Bristow Helicopters Ltd can confirm that one of its Airbus EC225 helicopters requested priority landing at Aberdeen Airport today, Monday 4 April, following a cockpit warning indication.
“The helicopter landed without event at approximately 0715 hrs with 17 passengers and two crew on-board.
“On arrival back at Aberdeen Airport the passengers were debriefed by the crew and given the opportunity to ask any questions.
“Safety is paramount in all that we do, and the aircraft will undergo a full engineering investigation before returning to service.”