








A Few Thoughts On Safety Recalls
DMM Wales has recently announced a recall for some products which integrate their compact swivel design. Why do recalls happen? In general, safety recalls occur when a product could potentially lead t... read more

Carabiner Questions and Answers
Carabiners are a type of connector used in rope access, rope rescue, and arborist work to join two pieces of equipment together. They go by many names including snap links, biners, and karabiners. The... read more

Pulley Questions And Answers
A pulley is a wheel which rotates on a shaft designed to reduce friction. They can either be used to change the direction of a rope or provide mechanical advantage to make it easier to move or lift an... read more

Friction Hitches
A Hitch is a type of knot that is tied around an object and if the object is removed, the knot comes untied. Hitches are used for many purposes but one of the main uses is as a rope grab. This allows ... read more

Tree Climbing, Rigging and Aerial Rescue Course
Some pictures from our June 2022 Tree Climbing, Rigging, and Aerial Rescue course together with Endu Tree and held at our trianing center in Chiang Mai, Thailand. Topics included tree climbing equipme... read more

Testing Pulley Efficiency
When using pulley systems, mechanical advantage is expressed as the ratio of the amount of output force to the amount of input force. For example, a '3:1' system has three times the amount of output... read more

Do you trust your equipment quality?
Personal protective equipment used to be purchased directly from either the manufacturer or specialty stores but is now widely available on the Internet from unknown sources. There is a wide range o... read more

Thailand Royal Forest Department Arborist Training
Sea Air Thai is proud to be working together with the Thai Government's Royal Forest Department to improve the tree climbing skills of forestry staff and scholars. The Royal Forest Department was fir... read more