MSSC Certification

CLT 4.0: Certified Logistics Technician

Master mid-level logistics with an AI coach that drills load capacity calculations, HazMat classification, freight density, and equipment operation. 20 topics across all 4 exam domains.

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Video: MSSC Certification

Why Study with Ari

Calculation Drills

Dim weight, load capacity, freight density, inventory turns, unit conversions — Ari gives you problems and walks through solutions.

Targets Your Gaps

54% fail the first time. Ari focuses on YOUR weak spots — especially the Material Handling domain that causes most failures.

HazMat Memorization

9 DOT classes, placards, SDS sections, spill response — Ari drills until you can identify hazards instantly.

Track Readiness

See mastery per topic. Know when you're ready to schedule the exam — no guessing.

What the Exam Covers

Four domains. Material Handling is 35% — where most people fail.

Applied Methods
25%

Receiving, storage, slotting, picking, packaging, freight classification, palletization

Assessment
20%

Cycle counting, KPIs, Lean/PDCA, HazMat classification, inventory accuracy

Material Handling
35%

Forklift types, load capacity, stability triangle, conveyors, AGVs, measurements, dim weight

Supply Chain
20%

Transportation modes, TL/LTL, routing, TMS, customs, WMS, RFID, dispatch

20 Topics. Complete Coverage.

Every exam domain mapped to a conversation with Ari.

Applied Methods & Techniques (25%)
1. Dock Operations & Inbound Receiving

Coordinate dock scheduling, secure trailers, verify seals, and conduct inbound inspections for damage, quantity, and tem...

Applied Methods & Techniques (25%)
2. PO Verification & WMS Receiving

Perform three-way matching between ASN, purchase order, and physical receipt, resolve discrepancies, and complete WMS re...

Applied Methods & Techniques (25%)
3. Slotting, Storage & Inventory Rotation

Apply velocity-based slotting, select appropriate racking systems, and execute FIFO/LIFO/FEFO inventory rotation methods...

Applied Methods & Techniques (25%)
4. Pick Methods & Order Accuracy

Execute discrete, batch, wave, and zone picking methods using RF scanners, voice systems, and pick-to-light to maintain ...

Applied Methods & Techniques (25%)
5. Packaging, Palletization & Freight Classification

Select packaging materials, build stable pallet loads, calculate freight density, and prepare compliant shipping documen...

Assessment & Evaluation (20%)
6. Cycle Counting & Inventory Accuracy

Execute cycle count programs using ABC classification, investigate variances, and maintain inventory accuracy above 97%.

Assessment & Evaluation (20%)
7. KPIs & Performance Measurement

Calculate and interpret warehouse KPIs including order accuracy, on-time shipping, dock-to-stock time, and labor product...

Assessment & Evaluation (20%)
8. Process Improvement & Lean Methodologies

Apply PDCA, 5-Why analysis, Lean waste elimination (TIMWOODS), and Kaizen to continuously improve logistics processes.

Assessment & Evaluation (20%)
9. HazMat Classification & Compliance

Classify hazardous materials using DOT 9-class system, interpret GHS labels and SDS, and apply spill response and placar...

Material Handling & Equipment (35%)
10. Forklift Types & OSHA Certification

Identify powered industrial truck types, their applications, and OSHA 1910.178 training and certification requirements.

Material Handling & Equipment (35%)
11. Load Capacity & Stability Triangle

Calculate load capacity using load center principles, apply stability triangle concepts, and identify tipping hazards.

Material Handling & Equipment (35%)
12. Forklift Safe Operation & Pedestrian Zones

Apply safe forklift operating procedures including travel rules, pedestrian interaction protocols, refueling/recharging,...

Material Handling & Equipment (35%)
13. Conveyors, Cranes & Dock Equipment

Operate conveyor systems, overhead cranes, dock levelers, and trailer restraints safely following lockout/tagout procedu...

Material Handling & Equipment (35%)
14. AGVs, AMRs & Industry 4.0 Automation

Identify automated material handling systems including AGVs, AMRs, AS/RS, and Industry 4.0 technologies transforming war...

Material Handling & Equipment (35%)
15. US Measurements & Dimensional Weight

Apply US standard measurements, calculate dimensional weight for carrier billing, and determine billable weight for ship...

Material Handling & Equipment (35%)
16. Metric Conversions & Warehouse Calculations

Convert between metric and US standard units, apply temperature conversions, and perform common warehouse math calculati...

Supply Chain Management (20%)
17. Transportation Modes & Carrier Selection

Compare transportation modes by cost/speed/reliability, evaluate TL vs LTL economics, and select carriers based on servi...

Supply Chain Management (20%)
18. Routing, TMS & International Logistics

Apply route optimization principles, operate TMS for shipment planning, and navigate international logistics including c...

Supply Chain Management (20%)
19. WMS Operations & Barcode/RFID

Operate warehouse management systems for inventory control and apply barcode/RFID technology for data accuracy across th...

Supply Chain Management (20%)
20. Dispatch Operations & Supply Chain Visibility

Manage dispatch operations including proof of delivery and shipment tracking, and achieve end-to-end supply chain visibi...

How Ari Prepares You

Not flashcards. Not video lectures. Calculation drills and scenario-based coaching that adapts to you.

Assesses First

Ari finds out what you already know. Solid on FIFO/LIFO? Skip it. Struggle with load capacity math? Deep dive with practice problems.

Drills Like the Exam

"Data plate shows 5,000 lbs at 24-in load center. Your pallet is 36-in center. What's your actual capacity?" — unlimited calculation drills.

Tells You When You're Ready

Track mastery per topic. When all 20 hit "confident" — you're ready to beat the 54% failure rate.

Ask Ari About the Exam

Not sure if you're ready? Ask about prerequisites, study time, or what makes the CLT hard.

Hey! 👋 I'm Ari — your AI coach for the CLT exam. This is the mid-level cert that separates floor associates from technicians. 54% fail the first time — I'm here to make sure you don't. Ask me how it works.

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Who This Is For

Good fit
  • CLA holders ready for the next level of logistics certification
  • Warehouse associates aiming for technician or supervisor roles
  • Workers wanting to formalize 1-3 years of logistics experience
  • Anyone preparing for the MSSC CLT 4.0 certification exam
  • People targeting higher pay through credentialed advancement
Prerequisites
  • CLA certification required — must pass CLA before taking CLT
  • 8th-grade math (calculations are part of the exam)
  • 10th-grade reading level recommended
  • Don't have CLA yet? Start here →

Career Ladder

CLT is the second step — proves you can handle technical logistics work.

CLA — Completed

Certified Logistics Associate. Foundational knowledge. Entry-level roles.

CLT — You Are Here

Certified Logistics Technician. Technical skills + calculations. Mid-level to senior roles.

Supervisor & Beyond

With CLA + CLT, you're qualified for lead technician, shift supervisor, and operations coordinator roles.

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Get CLT 4.0 Certified. For Free.

20 topics. Calculation drills. Adaptive coaching. Beat the 54% failure rate.

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