Level 3 Aerial tree rigging

Started on July 19, 2024

C&G NPTC assessment unit 003932 (formerly CS41)

This three-day, field-based rigging and dismantling course teaches the safest and most efficient techniques for removing tree sections when freefall cutting is not an option. Using industry good practice and years of practical experience, our instructors teach you the knowledge and practical skills required to pass the C&G NPTC award in aerial tree rigging. You will also gain the confidence to tackle the challenges of rigging safely in the real world.

Learning objectives

Upon completing this course, the candidate will

  • understand the importance of and how to carry out a site- and task-specific risk assessment
  • display competence in selecting, inspecting and installing a variety of rigging components
  • understand the relevant health and safety legislation and industry good practice concerning aerial tree rigging
  • be able to perform a tree hazard evaluation to ascertain whether rigging techniques would be safe and appropriate
  • understand how to calculate anticipated forces and ways in which they can be minimised
  • be competent in carrying out a variety of different rigging techniques in order to achieve a desired outcome.

Equipment required

Top-handled or rear-handled chainsaw (petrol or battery, maximum of 15” bar), fuel/oil, maintenance tools.


Chainsaw trousers Class 1 type C, boots, mountaineering-style arborist chainsaw helmet with ear and eye protection and chin strap, cut-resistant climbing gloves, full climbing kit (work positioning harness, minimum of two climbing ropes, of which one must be at least 35 m and one at least 25 m, minimum of eight auto lock triple action karabiners, adjustable strop/lanyard, one tape sling of around 120 cm, pair of climbing irons (spikes), wire core flip line, four prusik loops or equivalent friction cords, rescue knife with retractable/folding blade), first-aid kit with haemostatic dressing, large wound dressing and whistle. An in-date thorough LOLER examination certificate (or certificate of conformity/receipt for items less than six months old) will be required for all items of climbing equipment. All equipment is available to hire at an additional cost, including PPE. Please enquire for details. Rigging equipment will be provided for the duration of the training and assessment. Although not essential, a copy of The Arboricultural Association’s Technical Guide 3, Rigging and Dismantling, is recommended. This will be available to purchase on the first day of the course for £15.


Cross-cutting and chainsaw maintenance (003920 or CS30), Small tree felling (003921 or CS31), Climbing and aerial rescue (003922 or CS38), Chainsaw from a rope and harness (003923 or CS39).

Course duration

Three days training with an assessment on a separate day.


Training cost: £475 per person plus VAT. C&G NPTC assessment cost: £250 per person.

Refresher courses are also available, either with or without assessment. Please enquire for details.