Free for your class

Checks, lessons and handouts

Send students to these links, or print the PDFs for the classroom.

Embed the free check

Put the free 10-question check on your own page. Copy the code under an exam and paste it into the HTML of your page. Scores open in a new tab on Boom Angle, and the code includes a link back to us. Paste both lines; if your site strips scripts, the frame keeps a fixed height.

• NCCCO Mobile Crane Operator - Written (Core + specialty)

  Embed code<iframe src="https://boomangle.com/nccco-written/diagnostic?embed=1&utm_source=embed&utm_medium=referral&utm_campaign=check_embed&utm_content=nccco-written" id="ek-check-nccco-written" title="Free NCCCO written practice check" width="100%" height="900" loading="lazy" style="border:0"></iframe><script>addEventListener("message",function(e){var f=document.getElementById("ek-check-nccco-written"),d=e.data,h=d&&+d.height;if(f&&h>0&&e.source===f.contentWindow&&e.origin==="https://boomangle.com"&&d.type==="ek-embed-height")f.style.height=Math.min(4000,Math.max(300,h))+"px"})</script> <p><a href="https://boomangle.com/nccco-written?utm_source=embed&utm_medium=referral&utm_campaign=check_embed&utm_content=nccco-written">Free NCCCO written practice check by Boom Angle</a></p>

Embed the question of the day

A new practice question appears in the frame each day on its own. Paste both lines; if your site strips scripts, the frame keeps a fixed height. Or add the RSS feed to a Teams or Slack channel or a reader: no email, nothing sent.

• NCCCO Mobile Crane Operator - Written (Core + specialty)

  Embed code<iframe src="https://boomangle.com/nccco-written/daily?embed=1&utm_source=embed&utm_medium=referral&utm_campaign=daily_embed&utm_content=daily-nccco-written" id="ek-daily-nccco-written" title="NCCCO written question of the day" width="100%" height="560" loading="lazy" style="border:0"></iframe><script>addEventListener("message",function(e){var f=document.getElementById("ek-daily-nccco-written"),d=e.data,h=d&&+d.height;if(f&&h>0&&e.source===f.contentWindow&&e.origin==="https://boomangle.com"&&d.type==="ek-embed-height")f.style.height=Math.min(4000,Math.max(300,h))+"px"})</script> <p><a href="https://boomangle.com/nccco-written/daily?utm_source=embed&utm_medium=referral&utm_campaign=daily_embed&utm_content=daily-nccco-written">NCCCO written question of the day by Boom Angle</a></p>RSS feed URL

Embed the flashcards

The free deck for your class page: students flip the cards in place, and a link under the cards opens the free 10-question check in a new tab. Paste both lines; if your site strips scripts, the frame keeps a fixed height.

• NCCCO Mobile Crane Operator - Written (Core + specialty)

  Embed code<iframe src="https://boomangle.com/nccco-written/flashcards?embed=1&utm_source=embed&utm_medium=referral&utm_campaign=flashcards_embed&utm_content=flashcards-embed" id="ek-flashcards-nccco-written" title="Free NCCCO written flashcards" width="100%" height="640" loading="lazy" style="border:0"></iframe><script>addEventListener("message",function(e){var f=document.getElementById("ek-flashcards-nccco-written"),d=e.data,h=d&&+d.height;if(f&&h>0&&e.source===f.contentWindow&&e.origin==="https://boomangle.com"&&d.type==="ek-embed-height")f.style.height=Math.min(4000,Math.max(300,h))+"px"})</script> <p><a href="https://boomangle.com/nccco-written/flashcards?utm_source=embed&utm_medium=referral&utm_campaign=flashcards_embed&utm_content=flashcards-embed">Free NCCCO written flashcards by Boom Angle</a></p>

Tools to embed

Copy the code under a tool and paste it into the HTML of your page. The tool runs inside a frame on your page, and the code includes a link back to us. Or just link to the tool.

• Load chart practice: 10 problems on a practice chart

  Open the tool

  Embed code<iframe src="https://boomangle.com/tools/load-chart-practice?embed=1&utm_source=embed&utm_medium=referral&utm_campaign=tool_embed&utm_content=load-chart-practice" id="ek-tool-load-chart-practice" title="Load chart practice: 10 problems on a practice chart" width="100%" height="1500" loading="lazy" style="border:0"></iframe><script>addEventListener("message",function(e){var f=document.getElementById("ek-tool-load-chart-practice"),d=e.data,h=d&&+d.height;if(f&&h>0&&e.source===f.contentWindow&&e.origin==="https://boomangle.com"&&d.type==="ek-embed-height")f.style.height=Math.min(4000,Math.max(300,h))+"px"})</script> <p><a href="https://boomangle.com/tools/load-chart-practice?utm_source=embed&utm_medium=referral&utm_campaign=tool_embed&utm_content=load-chart-practice">Load chart practice: 10 problems on a practice chart by Boom Angle</a></p>

• Net capacity worksheet: subtract every deduction, step by step

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  Embed code<iframe src="https://boomangle.com/tools/net-capacity-calculator?embed=1&utm_source=embed&utm_medium=referral&utm_campaign=tool_embed&utm_content=net-capacity-calculator" id="ek-tool-net-capacity-calculator" title="Net capacity worksheet: subtract every deduction, step by step" width="100%" height="1500" loading="lazy" style="border:0"></iframe><script>addEventListener("message",function(e){var f=document.getElementById("ek-tool-net-capacity-calculator"),d=e.data,h=d&&+d.height;if(f&&h>0&&e.source===f.contentWindow&&e.origin==="https://boomangle.com"&&d.type==="ek-embed-height")f.style.height=Math.min(4000,Math.max(300,h))+"px"})</script> <p><a href="https://boomangle.com/tools/net-capacity-calculator?utm_source=embed&utm_medium=referral&utm_campaign=tool_embed&utm_content=net-capacity-calculator">Net capacity worksheet: subtract every deduction, step by step by Boom Angle</a></p>

• Sling capacity calculator: choker, basket, bridle

  Open the tool

  Embed code<iframe src="https://boomangle.com/tools/sling-capacity-calculator?embed=1&utm_source=embed&utm_medium=referral&utm_campaign=tool_embed&utm_content=sling-capacity-calculator" id="ek-tool-sling-capacity-calculator" title="Sling capacity calculator: choker, basket, bridle" width="100%" height="1500" loading="lazy" style="border:0"></iframe><script>addEventListener("message",function(e){var f=document.getElementById("ek-tool-sling-capacity-calculator"),d=e.data,h=d&&+d.height;if(f&&h>0&&e.source===f.contentWindow&&e.origin==="https://boomangle.com"&&d.type==="ek-embed-height")f.style.height=Math.min(4000,Math.max(300,h))+"px"})</script> <p><a href="https://boomangle.com/tools/sling-capacity-calculator?utm_source=embed&utm_medium=referral&utm_campaign=tool_embed&utm_content=sling-capacity-calculator">Sling capacity calculator: choker, basket, bridle by Boom Angle</a></p>

• Load weight calculator: plate, pipe, bar, block

  Open the tool

  Embed code<iframe src="https://boomangle.com/tools/load-weight-calculator?embed=1&utm_source=embed&utm_medium=referral&utm_campaign=tool_embed&utm_content=load-weight-calculator" id="ek-tool-load-weight-calculator" title="Load weight calculator: plate, pipe, bar, block" width="100%" height="1500" loading="lazy" style="border:0"></iframe><script>addEventListener("message",function(e){var f=document.getElementById("ek-tool-load-weight-calculator"),d=e.data,h=d&&+d.height;if(f&&h>0&&e.source===f.contentWindow&&e.origin==="https://boomangle.com"&&d.type==="ek-embed-height")f.style.height=Math.min(4000,Math.max(300,h))+"px"})</script> <p><a href="https://boomangle.com/tools/load-weight-calculator?utm_source=embed&utm_medium=referral&utm_campaign=tool_embed&utm_content=load-weight-calculator">Load weight calculator: plate, pipe, bar, block by Boom Angle</a></p>

• Pick point load share calculator | Boom Angle

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  Embed code<iframe src="https://boomangle.com/tools/pick-point-load-share-calculator?embed=1&utm_source=embed&utm_medium=referral&utm_campaign=tool_embed&utm_content=pick-point-load-share-calculator" id="ek-tool-pick-point-load-share-calculator" title="Pick point load share calculator | Boom Angle" width="100%" height="1500" loading="lazy" style="border:0"></iframe><script>addEventListener("message",function(e){var f=document.getElementById("ek-tool-pick-point-load-share-calculator"),d=e.data,h=d&&+d.height;if(f&&h>0&&e.source===f.contentWindow&&e.origin==="https://boomangle.com"&&d.type==="ek-embed-height")f.style.height=Math.min(4000,Math.max(300,h))+"px"})</script> <p><a href="https://boomangle.com/tools/pick-point-load-share-calculator?utm_source=embed&utm_medium=referral&utm_campaign=tool_embed&utm_content=pick-point-load-share-calculator">Pick point load share calculator | Boom Angle by Boom Angle</a></p>

• Crane percent of capacity calculator | Boom Angle

  Open the tool

  Embed code<iframe src="https://boomangle.com/tools/crane-percent-of-capacity-calculator?embed=1&utm_source=embed&utm_medium=referral&utm_campaign=tool_embed&utm_content=crane-percent-of-capacity-calculator" id="ek-tool-crane-percent-of-capacity-calculator" title="Crane percent of capacity calculator | Boom Angle" width="100%" height="1500" loading="lazy" style="border:0"></iframe><script>addEventListener("message",function(e){var f=document.getElementById("ek-tool-crane-percent-of-capacity-calculator"),d=e.data,h=d&&+d.height;if(f&&h>0&&e.source===f.contentWindow&&e.origin==="https://boomangle.com"&&d.type==="ek-embed-height")f.style.height=Math.min(4000,Math.max(300,h))+"px"})</script> <p><a href="https://boomangle.com/tools/crane-percent-of-capacity-calculator?utm_source=embed&utm_medium=referral&utm_campaign=tool_embed&utm_content=crane-percent-of-capacity-calculator">Crane percent of capacity calculator | Boom Angle by Boom Angle</a></p>

• Load chart interpolation drill | Boom Angle

  Open the tool

  Embed code<iframe src="https://boomangle.com/tools/load-chart-interpolation-drill?embed=1&utm_source=embed&utm_medium=referral&utm_campaign=tool_embed&utm_content=load-chart-interpolation-drill" id="ek-tool-load-chart-interpolation-drill" title="Load chart interpolation drill | Boom Angle" width="100%" height="1500" loading="lazy" style="border:0"></iframe><script>addEventListener("message",function(e){var f=document.getElementById("ek-tool-load-chart-interpolation-drill"),d=e.data,h=d&&+d.height;if(f&&h>0&&e.source===f.contentWindow&&e.origin==="https://boomangle.com"&&d.type==="ek-embed-height")f.style.height=Math.min(4000,Math.max(300,h))+"px"})</script> <p><a href="https://boomangle.com/tools/load-chart-interpolation-drill?utm_source=embed&utm_medium=referral&utm_campaign=tool_embed&utm_content=load-chart-interpolation-drill">Load chart interpolation drill | Boom Angle by Boom Angle</a></p>

• Sling angle calculator: leg tension and load angle factor

  Open the tool

  Embed code<iframe src="https://boomangle.com/tools/sling-angle-calculator?embed=1&utm_source=embed&utm_medium=referral&utm_campaign=tool_embed&utm_content=sling-angle-calculator" id="ek-tool-sling-angle-calculator" title="Sling angle calculator: leg tension and load angle factor" width="100%" height="1500" loading="lazy" style="border:0"></iframe><script>addEventListener("message",function(e){var f=document.getElementById("ek-tool-sling-angle-calculator"),d=e.data,h=d&&+d.height;if(f&&h>0&&e.source===f.contentWindow&&e.origin==="https://boomangle.com"&&d.type==="ek-embed-height")f.style.height=Math.min(4000,Math.max(300,h))+"px"})</script> <p><a href="https://boomangle.com/tools/sling-angle-calculator?utm_source=embed&utm_medium=referral&utm_campaign=tool_embed&utm_content=sling-angle-calculator">Sling angle calculator: leg tension and load angle factor by Boom Angle</a></p>

• Outrigger pad size calculator for crane mats

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  Embed code<iframe src="https://boomangle.com/tools/outrigger-pad-calculator?embed=1&utm_source=embed&utm_medium=referral&utm_campaign=tool_embed&utm_content=outrigger-pad-calculator" id="ek-tool-outrigger-pad-calculator" title="Outrigger pad size calculator for crane mats" width="100%" height="1500" loading="lazy" style="border:0"></iframe><script>addEventListener("message",function(e){var f=document.getElementById("ek-tool-outrigger-pad-calculator"),d=e.data,h=d&&+d.height;if(f&&h>0&&e.source===f.contentWindow&&e.origin==="https://boomangle.com"&&d.type==="ek-embed-height")f.style.height=Math.min(4000,Math.max(300,h))+"px"})</script> <p><a href="https://boomangle.com/tools/outrigger-pad-calculator?utm_source=embed&utm_medium=referral&utm_campaign=tool_embed&utm_content=outrigger-pad-calculator">Outrigger pad size calculator for crane mats by Boom Angle</a></p>

• Crane power line clearance: OSHA distances

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  Embed code<iframe src="https://boomangle.com/tools/crane-power-line-clearance-calculator?embed=1&utm_source=embed&utm_medium=referral&utm_campaign=tool_embed&utm_content=crane-power-line-clearance-calculator" id="ek-tool-crane-power-line-clearance-calculator" title="Crane power line clearance: OSHA distances" width="100%" height="1500" loading="lazy" style="border:0"></iframe><script>addEventListener("message",function(e){var f=document.getElementById("ek-tool-crane-power-line-clearance-calculator"),d=e.data,h=d&&+d.height;if(f&&h>0&&e.source===f.contentWindow&&e.origin==="https://boomangle.com"&&d.type==="ek-embed-height")f.style.height=Math.min(4000,Math.max(300,h))+"px"})</script> <p><a href="https://boomangle.com/tools/crane-power-line-clearance-calculator?utm_source=embed&utm_medium=referral&utm_campaign=tool_embed&utm_content=crane-power-line-clearance-calculator">Crane power line clearance: OSHA distances by Boom Angle</a></p>

• NCCCO certification cost calculator: crane operator written, practical and retakes

  Open the tool

  Embed code<iframe src="https://boomangle.com/tools/nccco-certification-cost-calculator?embed=1&utm_source=embed&utm_medium=referral&utm_campaign=tool_embed&utm_content=nccco-certification-cost-calculator" id="ek-tool-nccco-certification-cost-calculator" title="NCCCO certification cost calculator: crane operator written, practical and retakes" width="100%" height="1500" loading="lazy" style="border:0"></iframe><script>addEventListener("message",function(e){var f=document.getElementById("ek-tool-nccco-certification-cost-calculator"),d=e.data,h=d&&+d.height;if(f&&h>0&&e.source===f.contentWindow&&e.origin==="https://boomangle.com"&&d.type==="ek-embed-height")f.style.height=Math.min(4000,Math.max(300,h))+"px"})</script> <p><a href="https://boomangle.com/tools/nccco-certification-cost-calculator?utm_source=embed&utm_medium=referral&utm_campaign=tool_embed&utm_content=nccco-certification-cost-calculator">NCCCO certification cost calculator: crane operator written, practical and retakes by Boom Angle</a></p>

• NCCCO recertification window calculator | Boom Angle

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  Embed code<iframe src="https://boomangle.com/tools/nccco-recertification-window-calculator?embed=1&utm_source=embed&utm_medium=referral&utm_campaign=tool_embed&utm_content=nccco-recertification-window-calculator" id="ek-tool-nccco-recertification-window-calculator" title="NCCCO recertification window calculator | Boom Angle" width="100%" height="1500" loading="lazy" style="border:0"></iframe><script>addEventListener("message",function(e){var f=document.getElementById("ek-tool-nccco-recertification-window-calculator"),d=e.data,h=d&&+d.height;if(f&&h>0&&e.source===f.contentWindow&&e.origin==="https://boomangle.com"&&d.type==="ek-embed-height")f.style.height=Math.min(4000,Math.max(300,h))+"px"})</script> <p><a href="https://boomangle.com/tools/nccco-recertification-window-calculator?utm_source=embed&utm_medium=referral&utm_campaign=tool_embed&utm_content=nccco-recertification-window-calculator">NCCCO recertification window calculator | Boom Angle by Boom Angle</a></p>

• Crane radius and boom angle calculator

  Open the tool

  Embed code<iframe src="https://boomangle.com/tools/crane-radius-boom-angle-calculator?embed=1&utm_source=embed&utm_medium=referral&utm_campaign=tool_embed&utm_content=crane-radius-boom-angle-calculator" id="ek-tool-crane-radius-boom-angle-calculator" title="Crane radius and boom angle calculator" width="100%" height="1500" loading="lazy" style="border:0"></iframe><script>addEventListener("message",function(e){var f=document.getElementById("ek-tool-crane-radius-boom-angle-calculator"),d=e.data,h=d&&+d.height;if(f&&h>0&&e.source===f.contentWindow&&e.origin==="https://boomangle.com"&&d.type==="ek-embed-height")f.style.height=Math.min(4000,Math.max(300,h))+"px"})</script> <p><a href="https://boomangle.com/tools/crane-radius-boom-angle-calculator?utm_source=embed&utm_medium=referral&utm_campaign=tool_embed&utm_content=crane-radius-boom-angle-calculator">Crane radius and boom angle calculator by Boom Angle</a></p>

• Crane parts of line calculator

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  Embed code<iframe src="https://boomangle.com/tools/parts-of-line-calculator?embed=1&utm_source=embed&utm_medium=referral&utm_campaign=tool_embed&utm_content=parts-of-line-calculator" id="ek-tool-parts-of-line-calculator" title="Crane parts of line calculator" width="100%" height="1500" loading="lazy" style="border:0"></iframe><script>addEventListener("message",function(e){var f=document.getElementById("ek-tool-parts-of-line-calculator"),d=e.data,h=d&&+d.height;if(f&&h>0&&e.source===f.contentWindow&&e.origin==="https://boomangle.com"&&d.type==="ek-embed-height")f.style.height=Math.min(4000,Math.max(300,h))+"px"})</script> <p><a href="https://boomangle.com/tools/parts-of-line-calculator?utm_source=embed&utm_medium=referral&utm_campaign=tool_embed&utm_content=parts-of-line-calculator">Crane parts of line calculator by Boom Angle</a></p>

• Crane hand signals drill: the 19 standard signals, scored

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  Embed code<iframe src="https://boomangle.com/tools/crane-hand-signals-drill?embed=1&utm_source=embed&utm_medium=referral&utm_campaign=tool_embed&utm_content=crane-hand-signals-drill" id="ek-tool-crane-hand-signals-drill" title="Crane hand signals drill: the 19 standard signals, scored" width="100%" height="1500" loading="lazy" style="border:0"></iframe><script>addEventListener("message",function(e){var f=document.getElementById("ek-tool-crane-hand-signals-drill"),d=e.data,h=d&&+d.height;if(f&&h>0&&e.source===f.contentWindow&&e.origin==="https://boomangle.com"&&d.type==="ek-embed-height")f.style.height=Math.min(4000,Math.max(300,h))+"px"})</script> <p><a href="https://boomangle.com/tools/crane-hand-signals-drill?utm_source=embed&utm_medium=referral&utm_campaign=tool_embed&utm_content=crane-hand-signals-drill">Crane hand signals drill: the 19 standard signals, scored by Boom Angle</a></p>

• NCCCO Core study plan: week-by-week schedule

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  Embed code<iframe src="https://boomangle.com/tools/nccco-study-plan?embed=1&utm_source=embed&utm_medium=referral&utm_campaign=tool_embed&utm_content=nccco-study-plan" id="ek-tool-nccco-study-plan" title="NCCCO Core study plan: week-by-week schedule" width="100%" height="1500" loading="lazy" style="border:0"></iframe><script>addEventListener("message",function(e){var f=document.getElementById("ek-tool-nccco-study-plan"),d=e.data,h=d&&+d.height;if(f&&h>0&&e.source===f.contentWindow&&e.origin==="https://boomangle.com"&&d.type==="ek-embed-height")f.style.height=Math.min(4000,Math.max(300,h))+"px"})</script> <p><a href="https://boomangle.com/tools/nccco-study-plan?utm_source=embed&utm_medium=referral&utm_campaign=tool_embed&utm_content=nccco-study-plan">NCCCO Core study plan: week-by-week schedule by Boom Angle</a></p>