Crane Exam Prep NCCCO 2026
Load Chart Calculator & CCO
Only for iPhone
Free · In‑App Purchases · Designed for iPhone. Not verified for macOS.
iPhone
NEW: 4 jobsite tools — Wind Speed Derator, Outrigger Pad Calculator, Lift Plan & Wire Rope Inspector. Try everything FREE for 3 days.
CRANE PREP: YOUR NCCCO CERTIFICATION COMPANION
The NCCCO exam terrifies operators. Load chart math questions have ended more careers than any other topic. Don't let a calculation mistake end yours.
Crane Prep delivers the focused practice you need to pass your CCO certification — plus the Load Chart Calculator that could save your life on the job.
THE LOAD CHART CALCULATOR
The tool that turns exam terror into exam confidence.
- Select crane type and boom configuration
- Enter boom length and operating radius
- Instantly see gross capacity from the chart
- Enter your load weight and rigging deductions
- Get instant verdict: SAFE or DANGER
GREEN = Safe to lift
YELLOW = Caution — near capacity limit
RED = OVER CAPACITY — DO NOT LIFT
No more squinting at charts. No more math errors. Know instantly if your lift will tip.
COMPLETE EXAM COVERAGE
Core Exam — Required for All Operators
- Load chart interpretation (HEAVILY TESTED)
- Net capacity calculations
- Operating radius and boom length
- Deductions (hook block, rigging, jib)
- Percentage of capacity questions
Specialty Exams
- Lattice Boom Crawler (LBC)
- Lattice Boom Truck (LBT)
- Telescopic Boom Fixed Cab (TLL)
- Telescopic Boom Swing Cab (TSS)
380+ PRACTICE QUESTIONS
- 70+ load chart questions (the ones that fail operators)
- Rigging and sling angle calculations
- Hand signals (ASME B30.5)
- Wire rope inspection criteria
- OSHA safety regulations
- Crane setup and ground conditions
- Hazard recognition
HAND SIGNAL REFERENCE
Every standard OSHA/ASME crane hand signal:
- Hoist, Lower, Stop, Emergency Stop
- Boom Up, Boom Down, Swing
- Use Main Hoist, Use Whip Line
- Extend/Retract Boom (telescopic)
- Dog Everything
Visual guides for quick memorization.
RIGGING REFERENCE
- Sling angle factors (90°, 60°, 45°, 30°)
- Wire rope capacities
- Shackle ratings
- Hitch types and capacity effects
PRE-OPERATION CHECKLIST
OSHA 1926.1412 compliant daily inspection checklist:
- Control mechanisms
- Safety devices (A2B, LMI)
- Wire rope condition
- Fluid levels
- Ground conditions
WHY CRANE OPERATORS NEED THIS
- Average salary: $80,000+
- One math mistake = tipped crane = career over
- Load chart questions are closed-book on the exam
- Most operators fail their first attempt
FREE TO START
5 questions per day free. Upgrade to Pro for unlimited access.
PRO — LIFETIME ACCESS
- Unlimited practice questions
- Full Load Chart Calculator
- All reference tools
- No subscriptions, yours forever
- Study until you pass — no time limit
Don't let a load chart question end your career. Study smarter with Crane Prep.
DISCLAIMER
This app is for educational and training purposes only. Always refer to the manufacturer's load chart for your specific crane. Never exceed rated capacity. The Load Chart Calculator uses generic data for training purposes and should not be used for actual lift planning.
Privacy Policy: https://www.voltexam.com/privacy
Terms: https://www.voltexam.com/terms
Ratings & Reviews
NEW IN THIS UPDATE:
FREE 3-DAY TRIAL — Try every Pro feature free. No charge until your trial ends. Cancel anytime.
4 NEW PROFESSIONAL TOOLS:
• Wind Speed Derator — Calculate load capacity reduction based on wind speed, boom length, and sail area. Color-coded OSHA thresholds tell you when to cease operations.
• Outrigger Pad Calculator — Ground bearing pressure vs. soil capacity. Know your minimum pad size before you set up. Covers 6 soil types.
• Lift Plan Worksheet — Complete lift planning with go/no-go decision. Flags critical lifts per ASME B30.5 (>75% capacity). Shareable summary.
• Wire Rope Inspector — ASME B30.5-2021 condition assessment checklist. Track broken wires, corrosion, kinks, and bird-caging. Pass/Marginal/Fail result with removal criteria.
IMPROVEMENTS:
• All tools now available during free trial period
• Performance and stability improvements
The developer, Deeun Inc., indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Deeun Inc.
- Size
- 5.6 MB
- Category
- Education
- Compatibility
Requires iOS 17.0 or later.
- iPhone
Requires iOS 17.0 or later. - Mac
Requires macOS 14.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- Crane Prep Pro Monthly $9.99
- Pro — Lifetime Access $24.99
- Copyright
- © 2026 Deeun Inc.