After several months of negotiations, a $3.5 billion utility helicopter contract between the Turkish government and Sikorsky has taken effect, the program’s prime Turkish contractor announced June 7.

Turkish Aerospace Industries (TAI), the prime contractor, said all contracts between Turkey’s procurement agency, the Undersecretariat for Defence Industries (SSM), TAI, Sikorsky and other subcontractors have been signed and have taken effect. TAI said the contracts also include export licenses.

In November 2015, Lockheed Martin acquired Sikorsky, replacing United Technologies as the American helicopter maker’s parent company. […]