Locking apparatus for openable window

A locking apparatus for an openable window disposed in a cabin provided with a beam that has a first face and a different face from the first face, comprising:

• a lock main body that is attached to the first face so as to be pivotable about a center of a swinging shaft formed on a first face side of the beam along an extending direction of the beam between a closed position and a half-closed position;
• an operation piece that is attached to the openable window and switchable between an operation posture and a non-operation posture;
• a full-lock striker that is attached to the beam and engageable with the operation piece at the operation posture, when the lock main body is at the closed position;
• and
• a half-lock striker that is disposed on the lock main body at a point farther from the center of the swinging shaft than is the full-lock striker, the half-lock striker being engageable with the operation piece at the operation posture when the lock main body is at the half-closed position,
• wherein the operation piece and the lock main body are separated from each other when the operation piece is at the non-operation posture, and
• the half-lock striker is positioned on a side of the different face from the first face of the beam when the lock main body is at the closed position.