When a crane accident case lands on your desk, one of the most consequential decisions you'll make is choosing your expert witness. The right expert can make the difference between a compelling, evidence-driven case and one that falls apart under cross-examination. The wrong expert can actually hurt your position.
After more than 27 years operating cranes and working as a litigation consultant, I've seen both sides. Here's what you should be looking for — and what to avoid.
1. Hands-On Operating Experience Is Non-Negotiable
The most important qualification for a crane expert witness isn't a degree — it's real-world crane operations experience. An expert who has actually operated cranes understands the split-second decisions operators face, the feel of a machine at capacity, the subtle warning signs that something is about to go wrong.
This matters enormously at deposition and trial. When opposing counsel challenges your expert's opinions, an expert who has lived the work can speak with an authority that's impossible to fake. They can explain what a competent operator should have seen, felt, or done — because they've been in that seat themselves.
Look for:
- Years of active crane operation — not just classroom training
- Experience with the specific crane type involved in your case (mobile cranes, tower cranes, overhead cranes, etc.)
- Diverse operational settings — construction, industrial, rigging, heavy lifts
2. Verify Certifications
Industry certifications validate that your expert has demonstrated competency through standardized testing. The gold standard in the crane industry is NCCCO certification (National Commission for the Certification of Crane Operators).
Key certifications to look for:
- NCCCO Certified Crane Operator — for the relevant crane type (mobile, tower, overhead, etc.)
- NCCCO Signalperson certification — demonstrates understanding of signaling protocols
- Rigging certifications — if the case involves rigging failures
- Relevant trade certifications — telecom tower rigger, crane inspector, etc.
Ask for copies of current certification cards — not expired ones. Certifications must be maintained through continuing education and recertification testing.
3. Look for Regulatory Knowledge
A crane expert needs to know more than how to operate a crane. They need a deep, working knowledge of:
- OSHA standards — particularly 29 CFR 1926 Subpart CC for construction cranes
- ASME B30 series — industry consensus standards that often exceed OSHA requirements
- ANSI standards — applicable safety requirements
- Manufacturer specifications — load charts, operating manuals, maintenance requirements
- State and local regulations — some jurisdictions have crane-specific requirements
Your expert should be able to cite the specific regulatory provisions that apply to your case and explain how they were — or weren't — followed.
4. Evaluate Their Investigation Methodology
A good crane expert doesn't just show up and give an opinion. They follow a systematic investigation process:
- Scene inspection — examining the accident site, ground conditions, and surrounding environment
- Equipment inspection — assessing the crane's mechanical condition, maintenance history, and configuration at the time of the accident
- Document review — analyzing inspection records, training records, lift plans, load charts, and operational logs
- Witness interviews — talking to operators, signal persons, riggers, and other witnesses
- Standards analysis — identifying which OSHA, ASME, and manufacturer standards apply and whether they were met
- Root cause determination — connecting the evidence to specific failures in procedure, equipment, training, or supervision
Ask potential experts to walk you through their typical investigation process. If they can't articulate one, that's a red flag.
5. Assess Communication Skills
The best technical knowledge in the world is worthless if your expert can't communicate it clearly to a jury. Look for someone who can:
- Explain technical concepts in plain language — without being condescending
- Write clear, well-organized reports — that lay out findings logically
- Handle cross-examination — remain composed and consistent under pressure
- Use visual aids effectively — diagrams, photos, and demonstrations that make the technical aspects accessible
6. Red Flags to Watch For
Not every "expert" is worth retaining. Watch out for:
- No hands-on experience — Academics and safety consultants who've never actually operated a crane may struggle to withstand a Daubert challenge
- Expired or irrelevant certifications — certifications for crane types unrelated to your case
- "Professional expert witnesses" — people who make their living exclusively testifying, with no recent industry work. Opposing counsel will exploit this
- Unwillingness to visit the accident site — a thorough expert wants to see the scene firsthand
- Opinions before investigation — any expert who draws conclusions before reviewing the evidence isn't being objective
- Overreaching opinions — claiming expertise in areas outside their actual experience
7. Check Their Track Record
Ask for:
- A current CV listing certifications, experience, and case history
- References from attorneys they've worked with
- Examples of cases where they testified (deposition or trial)
- Whether they've been qualified as an expert in court — and whether they've ever been excluded
- Their ratio of plaintiff vs. defense work (significant imbalance in either direction can be used against them)
The Bottom Line
The ideal crane expert witness combines three things: deep hands-on experience, regulatory knowledge, and the ability to communicate clearly. They should be able to tell the jury not just what went wrong, but why it matters — grounded in decades of actually doing the work.
A crane expert witness doesn't just read about cranes. They've operated them, maintained them, inspected them, and know from experience what safe crane operations look like — and what happens when those standards aren't met.
About Matthew J. Stull
Matt Stull has over 27 years of hands-on crane operations experience and holds multiple NCCCO certifications including crane operator, signalperson, and telecom tower rigger. He is licensed to operate cranes in Pennsylvania, New York, and New Jersey, and provides expert witness testimony and litigation support for attorneys nationwide.
Call (570) 903-7119 or send a message to discuss your case.