NCCCO Fixed Cab Crane Certification (TSS)

Running rotating-superstructure machines too? See swing cab crane certification — same written core, different practical, and mixed fleets book both in one visit.

What the TSS Fixed Cab Designation Actually Covers

Fixed cab crane certification is the NCCCO credential built for telescopic boom cranes where the operator’s cab is bolted to the carrier. The cab does not rotate with the upperworks. In the CCO Mobile Crane Operator program this designation carries the code TSS – Telescopic Boom Crane — Fixed Cab. It is one of three mobile designations issued by the National Commission for the Certification of Crane Operators (NCCCO).

The name tells you the whole story. The cab is fixed. When the operator picks a load and swings it, the turntable, boom, and counterweight rotate. The operator stays put, facing forward in the truck cab. That means working the crane through the back window or off-side controls and leaning hard on the load chart, the signal person, and a clean line of sight instead of turning with the load.

This is the certification that matches the iron most people picture when they hear “boom truck.” Think hydraulic telescopic crane mounted on a commercial or purpose-built truck chassis. The TSS card is class-specific, just like every other CCO designation. It authorizes you to run fixed-cab telescopic machines. It is not a generic “crane license,” and it does not stand in for the swing-cab card. If your fleet is boom trucks, the letters you need are TSS. At 3P Safety Crane & Rigging Training we prep and test operators on exactly this class of machine, so the credential matches the equipment sitting in your yard.

Which Machines Fall Under TSS (and Which Don’t)

The TSS designation comes down to one structural fact, not size or capacity: the operator cab is fixed to the carrier and does not slew with the turntable. Get that fact right and the equipment list sorts itself out.

Machines that fall under TSS fixed cab include:

• Boom trucks – hydraulic telescopic cranes on a commercial or heavy truck chassis. These are the workhorses of utility, sign, HVAC, precast, and general contracting work.
• Truck-mounted telescopic cranes with a stationary operator station in the truck cab and rear- or side-mounted controls for the crane functions.
• Articulating-style carrier cranes that telescope and run from a fixed forward cab rather than a rotating one. Decide this machine by machine; what governs is whether the operator station rotates.
• Many digger-derrick-class and stiff-boom telescopic units run by utility and line crews when they are set up with a fixed operator position and used as a crane.

Machines that do not fall under TSS:

• Rough-terrain and all-terrain hydraulic cranes where the operator sits in a cab that rotates with the upperworks. Those are TLL, Telescopic Boom Crane — Swing Cab.
• Lattice-boom crawler cranes. Those are LAT.
• Tower cranes, overhead and gantry cranes, and articulating knuckle-boom loader cranes. Each is a separate NCCCO program.

Not sure which designation your unit needs? The fastest answer is to tell us the make, the model, and how the operator station is set up. Send us the machine details and we will tell you whether it is a TSS, a TLL, or something that calls for a different certification.

Fixed Cab vs. Swing Cab: Why It’s a Separate Credential

The most common question we hear is some version of “why isn’t one telescopic crane card good enough for both?” The answer is simple. Running a fixed-cab boom truck and running a swing-cab rough terrain are genuinely different jobs from the seat. NCCCO splits them on purpose – TSS for fixed cab, TLL for swing cab – because the operator’s relationship to the load is not the same.

Here is what changes when the cab is fixed:

• You do not rotate with the load. On a swing-cab machine the operator faces the load through the entire swing arc. The load stays more or less in front of you. On a fixed-cab boom truck, the boom and load swing while you sit forward in the truck cab. You are often working the load to the side or behind you, looking over your shoulder or through mirrors and the rear glass. That puts a premium on signal-person communication and spatial awareness.
• Setup and stability are carrier-driven. Boom trucks are leveled and stabilized on outriggers off a truck chassis. Available capacity changes dramatically with outrigger spread – fully extended, mid, or retracted – and with load position over the front, rear, or side. Reading the right column on a boom-truck load chart for the exact configuration is a core fixed-cab skill.
• Over-the-front and over-the-rear capacities differ sharply. Many boom trucks rate very differently depending on where the load sits relative to the carrier and the cab. Knowing which quadrant you are in, and what that does to your rated capacity, is fixed-cab bread and butter.
• Controls and visibility are arranged differently. Fixed-cab machines often run from a rear-mounted control station or pendant, with the operator standing or seated at the back of the truck rather than in a rotating glass cab. The body mechanics and sightlines are simply different.

Because the day-to-day work differs, the written Specialty and the practical course are tuned to the fixed-cab machine. That is also why operators who run both boom trucks and rough terrains carry both TSS and TLL on one card – and we are glad to prep and test you on both in a single trip. See the full three-designation breakdown on our NCCCO Mobile Crane Operator certification page.

The TSS Exam: Written Core, Fixed-Cab Specialty, and Practical

Earning the TSS fixed cab credential means clearing two separate hurdles: a written examination and a hands-on practical examination. You must finish all required exams within a 12-month window. Here is exactly how it breaks down.

Written portion. The written side is a Core exam plus the fixed-cab Specialty.

• Core exam: The Core is shared across all three mobile designations. It covers the fundamentals – load charts, capacity, setup, ground conditions, rigging basics, power-line clearances, signals, stability, and the governing standards.
• TSS Specialty exam: a shorter exam focused on the telescopic fixed-cab boom-truck machine specifically.
• Passing standard: set by CCO and published, with question counts and time limits, in the current candidate handbook. You must pass the Core plus the TSS Specialty.

The regulatory backbone tested includes 29 CFR 1926 Subpart CC, 29 CFR 1910.180, and ASME B30.5 – the standard that governs mobile and locomotive cranes, including boom trucks.

Practical portion. The TSS practical is administered on a real fixed-cab boom-truck crane by an NCCCO-accredited Practical Examiner. It is scored against the time and accuracy standards CCO publishes. It typically includes:

• A pre-operational inspection where you identify inspection items and call out deficiencies on the boom-truck unit.
• Precision load-handling tasks – moving a test weight and load line through a defined course, threading obstacle and zigzag corridors without contact, and placing the load into stop circles while holding clearances.

The practical is built around the way a fixed-cab machine actually handles. That is why we run candidates through this exact course on boom-truck iron during prep. Nothing on test day should be a first.

Why TSS Certification Is Required: The OSHA Rule

Running a boom truck on a construction site without certification is not a gray area. Under OSHA 29 CFR 1926.1427, every operator must be trained, certified or licensed, and evaluated before operating equipment covered by Subpart CC. Fixed-cab telescopic boom trucks used to hoist loads in construction are squarely covered. The rule carries narrow exceptions for derricks, sideboom cranes, and machines with a maximum rated lifting capacity of 2,000 pounds or less. The typical boom truck on a jobsite is well past that threshold and falls under the rule.

OSHA recognizes four ways to satisfy the certification element. The NCCCO/CCO route – the one that produces your TSS card – is the cleanest:

• Certification by an accredited testing organization (NCCCO). It includes both written and practical assessment, is portable between employers, and is valid for up to five years.
• State or local government licensing where a qualifying written-and-practical program exists.
• An audited employer program, which is non-portable. It must be audited within the first three months and again every three years.
• U.S. military qualification, valid only where issued and non-portable.

One point trips up a lot of boom-truck contractors: certification alone is not the whole rule. 1926.1427 also requires the employer to evaluate each operator and document that they can safely run the specific boom truck and configuration assigned to them. We help you close out both halves – the third-party TSS certification and the employer evaluation. The broader framework is laid out on OSHA’s Cranes & Derricks page.

Prerequisites for Fixed Cab Certification

The eligibility bar for TSS certification is the same as the rest of the CCO Mobile Crane Operator program. Every candidate has to clear all of it.

• Be at least 18 years of age.
• Meet the medical and physical requirements for crane operators. NCCCO aligns these with ASME B30.5 – vision, hearing, reaction time, and the absence of physical or medical conditions that could interfere with safe operation. Fixed-cab work leans hard on looking back at a load you are not facing, so sound vision and spatial judgment matter even more here.
• Comply with the NCCCO Substance Abuse Policy. Candidates must be able to meet substance-testing requirements.
• Agree to the NCCCO Code of Ethics and the program’s exam and recertification policies.

NCCCO does not set a minimum logged-hours prerequisite to sit for the initial TSS exams. You do not have to document a set number of seat hours before testing. But real proficiency on the boom truck is what carries you through the practical – and, far more importantly, what keeps your crew safe on the load. That is why our prep is hands-on and designation-specific instead of a slideshow. If you are not certain you meet the medical or substance-testing requirements, reach out and we will walk you through it before you lock a date.

How 3P Safety Delivers Your TSS Certification Training

We run fixed-cab certification training two ways. Both finish with a real NCCCO TSS practical exam on a fixed-cab machine – not a watered-down “certificate of attendance.”

1) Hands-on certification at our partner yard in Goldsboro, NC. Operators come to our Crane Operator School in Goldsboro, NC at 309 N William St, Goldsboro, NC 27530. We combine focused written-exam prep with seat time on telescopic crane iron, then administer the NCCCO practical on-site. You leave having tested on the TSS designation, and we can add TLL or LAT in the same trip if you need them. This is the fastest path for individual operators and small crews in eastern North Carolina, and it runs on a rolling monthly calendar. Check current dates on our class schedule.

2) Employer-based training and NCCCO practical testing on your jobsite. For contractors with a crew of boom-truck operators to certify, we bring the program to you anywhere in the U.S. We train your operators on your boom trucks in your configurations, run the written-exam prep, and conduct NCCCO practical testing on your iron. Your team tests in the exact outrigger spreads, quadrants, and load charts they work every day. It also feeds directly into the employer evaluation 1926.1427 requires. See how we scale it on our employer-based crane training page.

A typical engagement runs prep, then hands-on practice, then the NCCCO practical. We structure it so candidates walk into the exam already comfortable with the inspection routine, the course, and boom-truck load control. New to the trade entirely? Start with our guide on how to become a crane operator. Ready to schedule? Request a quote or enroll and we will build a date around your operation.

Who Runs Fixed-Cab Boom Trucks – Typical Trades

Fixed-cab boom trucks are everywhere because they are mobile, road-legal, and quick to set up. So the TSS designation shows up across a wide span of trades:

• Utility and line construction – setting poles, transformers, and equipment with truck-mounted telescopic units.
• Sign, lighting, and traffic-signal contractors erecting and servicing overhead structures.
• HVAC and mechanical contractors setting rooftop units and packaged equipment.
• Precast, masonry, and general building contractors placing panels, beams, and bundled material.
• Steel and metal-building erectors using boom trucks for lighter and mid-weight picks.
• Crane rental and rigging houses supplying boom trucks with operators alongside their larger fleets.

The boom truck is often the first crane a company buys. So TSS is frequently the first NCCCO designation an operator earns. It also pairs naturally with the people who work every pick alongside the operator. A boom-truck lift still needs a competent rigger and a clear-eyed signal person. That is why many of our clients add Qualified Rigger training and Signal Person certification, so one or two employees can cover multiple roles on the lift plan. Operators who later add rough terrains or all-terrains step up to the swing-cab TLL designation alongside their TSS.

Why Train With 3P Safety

Plenty of outfits sell crane training. Few are run by someone who has actually worked a fixed-cab machine from the back of the truck. 3P Safety is founder-led by Patrick Salazar – an NCCCO-certified mobile crane operator across the LBC, TSS, and TLL designations, a tower crane operator, a certified crane inspector, a lift director, and an OSHA 500 outreach trainer. When you train with us on the TSS credential, you learn boom-truck operation from a credentialed operator and inspector who has been in the seat and on the rigging, not a classroom-only instructor.

What that means for you:

• Fixed-cab-specific instruction. We coach the things that actually matter on a boom truck – outrigger spread and capacity columns, over-the-front versus over-the-rear ratings, working a load you cannot directly face, and tight signal-person communication.
• Real NCCCO practical testing on real iron. We train; we do not just “train.” Your TSS practical is administered on a fixed-cab machine.
• All three mobile designations under one roof. Add TLL or LAT in the same trip so your card matches your whole fleet.
• We travel to you, nationwide. Whether you are one operator near Goldsboro or a contractor with a yard full of boom trucks across the country, we bring the program to your jobsite.
• Employer-compliance support. We help close out the 1926.1427 employer evaluation, not just the third-party certification.

Founder-led, field-credentialed, and on the road to you. That is how we run fixed-cab certification training.

Ready to get TSS certified? Whether you need one operator certified on the fixed-cab designation or a full crew of boom-truck operators tested, 3P Safety delivers real NCCCO certification training – at our partner yard in Goldsboro, NC or on your jobsite anywhere in the U.S. Call (252) 274-0583 or request a quote and enroll. We will build a schedule around your operation, and we will get the right letters on your card, on the iron you actually run.

Frequently Asked Questions

What is fixed cab crane certification (TSS)?

TSS – Telescopic Boom Crane — Fixed Cab – is the NCCCO mobile crane operator designation for telescopic cranes where the operator’s cab is fixed to the carrier and does not rotate with the upperworks. It is the credential that matches boom trucks and truck-mounted telescopic cranes. When you swing a load, the turntable and boom rotate but you stay seated facing forward in the truck cab. It is one of the three mobile designations (alongside LAT and TLL), it is class-specific, and it is portable from employer to employer.

What is the difference between TSS fixed cab and TLL swing cab?

Both are telescopic hydraulic cranes, but the operator’s relationship to the load is different. On a TLL swing-cab machine (rough terrains and all terrains), the cab rotates with the upperworks, so you face the load through the whole swing. On a TSS fixed-cab boom truck, the cab is bolted to the carrier and does not rotate, so you often work the load to the side or behind you, relying on mirrors, the rear glass, and the signal person. The setup, capacity charts, and visibility differ enough that NCCCO certifies them separately. Operators who run both carry TSS and TLL on the same card, and we can test you on both.

Which machines require the TSS designation?

Any telescopic crane where the operator station is fixed to the carrier and does not slew with the turntable. That includes boom trucks, truck-mounted telescopic cranes with a stationary forward operator position, and many stiff-boom and digger-derrick-class units used as cranes by utility crews. Rough-terrain and all-terrain cranes with a rotating cab are TLL, not TSS; lattice-boom crawlers are LAT. If you are unsure about a specific unit, send us the make, model, and how the operator station is configured and we will confirm the designation.

How is the NCCCO TSS exam structured?

Two parts. The written portion is a Core exam plus the TSS Specialty exam, and you must pass both; question counts, time limits and passing standards are in the current NCCCO candidate handbook. The separate practical exam is administered on a real fixed-cab/boom-truck crane by an NCCCO Practical Examiner and includes a pre-operational inspection plus precision load-handling tasks scored against published time and accuracy standards. All required exams must be completed within a 12-month window.

Is TSS certification required by law for boom truck operators?

For construction work, yes. OSHA 29 CFR 1926.1427 requires every operator to be trained, certified or licensed, and evaluated before operating cranes covered under Subpart CC, and typical boom trucks are covered. There are narrow exceptions for derricks, sideboom cranes, and equipment rated at 2,000 pounds or less, but most boom trucks exceed that. NCCCO/CCO certification through an accredited testing organization is one of the four recognized ways to satisfy the certification element, and it is portable. Remember that certification alone is not the whole rule – your employer must also evaluate and document your ability to safely run the specific boom truck you operate.

Can 3P Safety train my crew on our own boom trucks?

Yes. In addition to hands-on TSS certification at our partner yard in Goldsboro, NC, we provide employer-based training and NCCCO practical testing on your jobsite anywhere in the U.S. We train your operators on your boom trucks in your configurations and conduct real NCCCO practical testing on-site, which also supports the employer evaluation OSHA 1926.1427 requires. Call (252) 274-0583 or use our contact page to schedule a crew.

Authoritative References

Prepping for the exam? Take our free NCCCO practice test to find your weak spots before test day.