A: Legally, no. Single-user licenses are just that – single user. However, many companies purchase a “team license” from the ISA for up to 10 users. Alternatively, buy one physical copy for the crew truck and keep the PDF for yourself.
A: Partially. The Certified Arborist exam focuses more on biology and risk assessment. However, the ISA Certified Tree Worker Climber Specialist exam draws heavily from the 4th edition. You should study this guide if taking that practical test. tree climbers 39- guide 4th edition pdf
For those who haven’t seen the table of contents, here is what awaits you inside the Tree Climber’s Guide 4th Edition PDF: A: Legally, no
| Chapter | Title | Key Takeaway | | :--- | :--- | :--- | | 1 | Personal Protective Equipment (PPE) | Updated 2024 ANSI standards for helmets (Type II, Class E) and chainsaw protection. | | 2 | Climbing Systems | DdRT vs. SRS vs. MRS – When to use each. | | 3 | Knots & Hitches | 27 knots, including the new “Sticht Hitch” for light rigging. | | 4 | Work Positioning | Use of the second lanyard, knee ascenders, and neck tethers. | | 5 | Rigging | Calculating friction; negative rigging math. | | 6 | Aerial Rescue | Unconscious climber recovery; lowering a victim past limbs. | | 7 | Tree Assessment | Pre-climb inspection; decay detection. | | 8 | Emergency Procedures | Tornado/fire evacuation from canopy; chainsaw first aid. | New chapters on negative rigging and port-a-wrap friction
New chapters on negative rigging and port-a-wrap friction calculations are presented in easy-to-read tables. The guide also covers the safe working loads (SWL) for popular rigging rings like the X-Rigging Ring.