California Code of Regulations
Title 8 - Industrial Relations
Division 1 - Department of Industrial Relations
Chapter 4 - Division of Industrial Safety
Subchapter 13 - Logging and Sawmill Safety Orders
Article 11 - Helicopter Yarding Operations
Section 6323 - Landings

(a) The landings drop zone shall be twice the nominal length of logs to be yarded. This zone shall be not less than 125 feet from the loading or decking area.

(b) Flight paths to the landing shall be clear and long enough to prevent tree tops from being pulled into the landing.

(c) Only authorized, qualified personnel shall be allowed in the log-landing and fueling areas.

(d) Logs shall not be landed in the landing crew working area. The landing crew will remain clear of the drop area when logs are being landed.

(e) Landings shall be watered down, or other means employed, to control dusty conditions.

(f) Separate areas shall be designed and used for landing logs and fueling helicopters.

(g) Warning signs shall be posted at all approaches to log-landing and fueling areas.

(h) Except in an emergency, one end of all the logs in the turn shall be touching the ground and lowered to an angle of no more than 45 degrees from the horizontal before the chokers are released.

(i) Logs will be laid on the ground and the helicopter will be completely free of the chokers before the workers approach the logs.

(j) If the load does not release from the hook, the load shall be laid on the ground and the hook remain at eye level before the workers approach to release the hook manually.