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What Does a Slinger Signaller Do?

Slinger signallers prepare loads and guide the crane. Every lift on site relies on them.

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A slinger signaller attaches loads to a crane or lifting machine, checks the lifting gear, and directs the operator with hand signals or radio. They make sure the load is balanced, the area is clear, and the lift goes where it should.

A typical lift

StageWhat the slinger signaller does
BeforeReads the lift plan, inspects slings and shackles
AttachChooses the right gear and slings the load
LiftSignals the operator, keeps people clear
LandGuides the load down and releases it safely
CPCS A40slinger signaller
Team roleworks with crane operator and supervisor
Safety-criticalevery lift relies on it

Slinger signallers work with telehandlers, excavators doing lifts, and cranes of every size. The role is a common step towards crane supervisor and appointed person. Read how to become a slinger signaller and what a crane supervisor does.

Mistakes slinger signallers make

The slinger signaller connects the load and guides the crane operator. Errors can drop loads.

  • Not checking accessories. Inspect slings, chains and shackles before each use, and check the safe working load.
  • Wrong sling angle. Wide angles reduce the capacity of slings.
  • Unclear signals. Use standard hand signals or agreed radio calls only.
  • Standing under the load. Never stand or walk under a suspended load.

A worked example

Lifting a bundle of steel with a crane involves checking the weight, choosing the right slings, checking the angle, attaching tag lines, then signalling the operator to take the strain and lift slowly while you watch for movement.

Your next steps

  1. Pass the CITB HS&E test.
  2. Book slinger signaller training.
  3. Learn the standard hand signals.
  4. Practise with experienced crews.
  5. Complete an NVQ to reach the competent card.

Useful links

Book CPCS training with Coteca

Tell us the machine you operate and what you hold now. We will book your HS&E test, training and CPCS tests, then apply for your card.

See CPCS coursesCall 0208 099 4324

Frequently asked questions

Which card does a slinger signaller need?

Usually CPCS A40, or an equivalent accepted by the site.

Is slinger signaller a good job to start with?

Yes. It is in steady demand and leads to lifting supervision roles.

Do slinger signallers use radios?

Often, especially on tower crane lifts where the operator cannot see the load.

Can a slinger signaller plan lifts?

Lift plans are made by the appointed person. The slinger signaller follows them.

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