Honolulu firefighters rescued a man in his 20s from the Makapuu Tidepools in East Oahu Thursday after he was “knocked over by a wave and suffered injuries, making him unable to ascend the slope to the main trail,” according to the Honolulu Fire Department

HFD officials said in a news release that they received a 911 call at 10:57 a.m. for the injured hiker, and responded with five units and 16 personnel. The first unit arrived at 11:07 a.m. and traveled up the trail with a rapid response vehicle. A second unit secured a nearby landing zone.

Authorities made contact with the hiker at 11:28 a.m., conducted a medical assessment and provided basic life support. The hiker was then airlifted to a landing zone and transferred to Emergency Medical Services.