Latest News
arboriculture training

Unit 309 Arboricultural Dismantling Operations Course

(previously CS41)


On this course you will learn all you need to know about aerial tree rigging to be able to carry out lowering and dismantling operations safely, efficiently and effectively. Learn the use of rigging, and lowering techniques taking into account species, loads and weights, safe working loads, and a range of other important safety factors.


Pre-requisite units: 201, 202, 203, 206, 306, 308


  • Reinforcing previously obtained knowledge gained in the pre-requisite courses
  • Promotion of health and safety and good industry practice when rigging and lowering
  • Understanding how to carry out aerial rigging safely and efficiently
  • Be able to carry out aerial rigging safely and efficiently
  • Understanding anticipated loads and how to minimise shock loading in the rigging system
  • Differing techniques and their application


NPTC Arboricultural Dismantling Operations Assessment

Assessment for NPTC unit 309 (previously CS41) takes place immediately after the 3-day training course. Alternatively the 1-day assessment can be booked for a later date.


Assessment only: We also provide assessment only options for experienced arborists with the necessary pre-requisite qualifications. There is no requirement to have completed a Red Stag Training course, however we would advise that interested candidates consider our one-day refresher course.

For information on price and course duration, please see our Aerial Training Courses page.

Upcoming Courses

Basic Electrical Knowledge

Date: Training: 7th - 8th December. Assessment: 9th December.
Location: Earl Soham
Carry out Aerial Cutting of trees with a chainsaw using free-fall techniques

Date: Training: 9th - 10th December. Assessment: 11th December.
Location: Suffolk
2 Rope Climbing & Aerial Rescue REFRESHER
Date: 11th December.
Location: Suffolk
307 IA
Aerial Tree Pruning

Date: 14th - 15th December.
Location: Suffolk
More Courses...