Thirteen servicemen have been recently killed in Cougar military helicopter crush in Turkey's south-eastern Sirnak province.
Turkish media reports said the helicopter was carrying about a dozen officers and soldiers.
"May Allah rest their souls of our heroes who were martyred in this painful event that grieved us deeply", he said in a statement.
It crashed after hitting a high-voltage transmission line, officials said.
Turkey's chief of staff, General Hulusi Akar, travelled to the region to carry out an inspection, Anadolu said.
Deputy Prime Minister Mehmet Simsek and Interior Minister Suleyman Soylu also arrived in Sirnak to examine the scene.
Search and rescue units have reportedly been dispatched to the area.
Broadcaster CNN Turk said Defence Minister Fikri Isik would travel to Sirnak, while presidential sources said President Tayyip Erdogan had been briefed on the crash following a National Security Council meeting earlier on Wednesday.
In March, seven people, including four Russians, were killed when a privately owned helicopter crashed in Istanbul after hitting a television tower.