Israel released its own report on Sunday justifying the army's conduct during the attack that left nine Turks dead.
According to the Turkish investigation, no arms were found on the aid convoy during inspections. The Israelis claimed fears that the blockade-busting ship could have been carrying weapons on board.
Troops used laser-guided automatic guns, helicopter, frigates, submarines and rubber boats during the full-fledged attack, the report says. They killed two civilians before boarding the Mavi Marmara ship.
The investigation board told Al-Jazeera it would submit the report to the UN to pass its decision.
The panel's chairman said he expected a "more balanced and rational" report from Israel.
The Israeli probe said the Turkish aid fund IHH was to blame for the attack, claiming it had links to terrorism. It said sunday that the ship's seizure was legal because the convoy was trying to break the Gaza siege.
Turkish Prime Minister Recep Tayyip Erdogan called Israel's report "worthless".
"Can an internal report prepared by Israel have any worth?" he asked.
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