The helicopter might crash, and it could happen at any time—the only thing that's impossible is for it to keep flying without any issues. Therefore, finding a good spot for an emergency landing is very important.
Aleppo Prison has withstood the siege by the Rebel Army for almost a year. It is now the closest and only safe haven. If they were to land at the prison, it would take less than three minutes since the combat zone is right next to it. Landing inside Aleppo Prison would at least provide high walls for protection, so they wouldn't have to face an enemy siege immediately.
Therefore, Aleppo Prison is Satan's best current refuge, the only viable location for an emergency landing, and luckily, Gao Yang and his team are very close, incredibly close, just a turn and two minutes' flight away from Aleppo Prison.
Hearing Gao Yang's shout, Eileen turned the helicopter in a new direction—it had been flying east, but now it was headed south.