- CTRN stands for Certified Transport Registered Nurse, administered by BCEN and delivered through PSI testing centers.
- The exam has 150 scored questions across four domains, with 99 correct answers required to pass.
- Candidates get 3 hours to complete the test, at PSI centers or via live remote proctoring.
- Patient Conditions and Principles of Management is the largest domain at 43.3% of the exam.
What Is A CTRN, Exactly?
CTRN stands for Certified Transport Registered Nurse, a specialty credential issued by the Board of Certification for Emergency Nursing (BCEN). It's built specifically for registered nurses who work in ground transport settings - critical care ground transport, interfacility transfers, and similar mobile care environments - rather than for nurses in a fixed hospital unit. If you've landed on this page while researching the acronym generally, note that this article covers the BCEN-administered nursing certification only; other fields use the same three letters for unrelated credentials, and none of those facts apply here.
The exam itself is delivered through PSI, either at a physical testing center or through live remote proctoring, giving transport nurses flexibility around irregular shift schedules. For a broader overview of the credential's identity and scope, see CTRN Certification and What Is CTRN?.
Who Hires CTRNs and Why the Credential Matters
Employers looking for CTRN-credentialed nurses are typically ground critical care transport programs, hospital-based transfer teams, and services that move patients between facilities rather than to a scene. Because the certification is transport-specific, it signals to hiring managers that a nurse already understands the unique constraints of caring for patients in a moving vehicle: limited equipment, unpredictable access, and the need to make independent clinical decisions without immediate backup.
For nurses evaluating whether the credential is worth pursuing given time and cost, it helps to look at how the certification is perceived in hiring and promotion decisions before committing to a study plan - a topic explored in depth at Is the CTRN Certification Worth It? Complete ROI Analysis 2026 and CTRN Salary Guide 2026: Complete Earnings Analysis. If you're specifically hunting for openings that list the credential as preferred or required, CTRN Jobs breaks down where those postings tend to concentrate.
Exam Format: Questions, Time, and Scoring
Under BCEN's current outline, the CTRN exam consists of 150 scored questions spread across four content domains, and candidates are given 3 hours to complete the test. The passing standard is fixed at 99 correct answers out of 150 scored questions - not a moving percentile or curve, so you know exactly what target you're working toward from day one.
This outline took effect March 30, 2026, following a 2025 role delineation study specific to ground transport nursing practice. That study is what produced the current domain weighting, so any prep material referencing an older breakdown should be treated with caution.
Key Takeaway
Aim for mastery, not just a passing score - 99 out of 150 leaves room for missed questions, but the margin shrinks fast if you're weak in the largest domain. Review the exact numeric target in CTRN Passing Score 2026: Exactly What You Need to Pass.
The Four CTRN Domains Explained
BCEN's official domain counts are 22, 40, 65, and 23 questions respectively, which is where the percentages below come from. Understanding this weighting is the single most important planning step before you open a single study resource - it tells you where your hours should go.
Domain 1: General Principles of Ground Transport Nursing Practice
Covers the operational and professional foundation of transport nursing - safety practices, transport physiology, communication, and the legal/ethical framework unique to moving critically ill patients between facilities.
- Transport safety protocols and scene/vehicle awareness
- Communication and handoff standards during transfer
- Legal and ethical considerations specific to interfacility transport
Domain 2: Resuscitation Principles
Focuses on stabilizing and resuscitating patients with limited resources and personnel while in motion, including airway, circulatory support, and rapid deterioration recognition.
- Airway management in a mobile, resource-constrained environment
- Recognition and response to hemodynamic instability
- Rapid-sequence decision-making during in-transit deterioration
Domain 3: Patient Conditions and Principles of Management
The largest domain at 43.3% of the scored exam, built from 65 of the 150 questions. This domain covers the breadth of clinical conditions a transport nurse must manage - cardiac, respiratory, neurological, trauma, metabolic, and more - and how management shifts once a patient is en route.
- Condition-specific management adjusted for the transport environment
- Recognizing subtle clinical change with limited monitoring
- Prioritizing interventions when multiple conditions coexist
Domain 4: Special Populations
Addresses the unique considerations of transporting pediatric, obstetric, geriatric, bariatric, and other special-needs patients, where standard protocols often require modification.
- Pediatric and neonatal transport adjustments
- Obstetric emergencies during transfer
- Considerations for geriatric and bariatric patients in transit
Because Domain 3 alone accounts for nearly half the exam, it deserves proportionally more of your study time than the other three domains combined. For a question-by-question breakdown of how each domain is tested and what topics recur most, see CTRN Exam Domains 2026: Complete Guide to All 4 Content Areas.
| Domain | Scored Questions | Percentage of Exam |
|---|---|---|
| General Principles of Ground Transport Nursing Practice | 22 | ~14.7% |
| Resuscitation Principles | 40 | ~26.7% |
| Patient Conditions and Principles of Management | 65 | 43.3% |
| Special Populations | 23 | ~15.3% |
Eligibility and Registration Mechanics
Eligibility for the CTRN exam requires a current, unrestricted RN license issued in the United States, a U.S. territory, Canada, Australia, or an accepted international equivalent. Two years of ground transport nursing experience is recommended by BCEN but is not a strict prerequisite, which means newer transport nurses can still sit for the exam if they feel prepared clinically.
On the cost side, the initial exam fee is $285 for members of the Air & Surface Transport Nurses Association and $380 for nonmembers - a meaningful gap that makes ASTNA membership worth checking before you register. Testing happens at PSI centers nationwide or through live remote proctoring, so location isn't a major barrier for most candidates.
If you want the complete rundown of license types, experience recommendations, and how to submit your application, CTRN Requirements 2026: Eligibility, Prerequisites & How to Qualify walks through each step. For scheduling logistics around testing windows and how far in advance to book a PSI seat, check CTRN Exam Dates 2026: Testing Windows, Deadlines & Scheduling.
How to Sequence Your Prep by Domain
Rather than studying domains in the order they appear on the outline, sequence your review by weight and by how much unfamiliar material each domain contains for you personally. A nurse coming from a cardiac ICU background, for example, may need less time on resuscitation fundamentals and more on special populations content they rarely see day-to-day.
Patient Conditions and Principles of Management
- Work through condition clusters (cardiac, respiratory, neuro, trauma) since this domain carries 65 of 150 questions
- Build quick-reference notes on management differences specific to the transport setting
Resuscitation Principles
- Drill airway and hemodynamic stabilization scenarios under resource constraints
- Practice rapid decision trees for in-transit deterioration
Special Populations and General Principles
- Review pediatric, obstetric, and geriatric transport adjustments
- Cover transport safety, communication, and legal/ethical fundamentals
Timed Practice and Review
- Take full-length timed practice sets to build stamina for the 3-hour format
- Revisit weak areas flagged during earlier practice sessions
Whatever schedule you build, anchor it to the domain weights rather than treating all four sections equally - spending equal time on Domain 1 and Domain 3 wastes hours you don't have. For a more detailed week-by-week plan and resource recommendations, see CTRN Study Guide 2026: How to Pass on Your First Attempt. If you're still gauging how much total prep time you'll need, How Hard Is the CTRN Exam? Complete Difficulty Guide 2026 and CTRN Pass Rate 2026: What the Data Shows offer useful context before you commit to a timeline. Running full-length timed drills on our practice test platform is one of the most direct ways to simulate the 150-question, 3-hour format before exam day.
Maintaining the Credential After You Pass
Once earned, the CTRN credential is valid for four years. Renewal can happen one of two ways: retaking and passing the exam again, or completing 100 continuing education contact hours relevant to transport nursing practice within the renewal cycle. Most working transport nurses choose the continuing education path since it can be spread across the full four years rather than requiring a single high-stakes retest.
Keep a running log of qualifying CE hours from the start of your certification period rather than scrambling near the renewal deadline - transport-specific conferences, employer in-services, and ASTNA-affiliated education often count toward the total.
Frequently Asked Questions
No. CTRN specifically refers to the Certified Transport Registered Nurse credential from BCEN, focused on ground transport nursing. It's distinct from flight-specific or other transport credentials, and its exam content, fees, and domains are unique to this certification.
The exam contains 150 scored questions across four domains, and candidates are given 3 hours to complete it. You need 99 correct answers to pass.
Two years of ground transport nursing experience is recommended by BCEN but is not a strict requirement. You do need a current, unrestricted RN license from an accepted jurisdiction.
The initial fee is $285 for Air & Surface Transport Nurses Association members and $380 for nonmembers, payable through BCEN's registration process before scheduling with PSI.
Patient Conditions and Principles of Management, which makes up 43.3% of the exam (65 of 150 questions), deserves the largest share of your preparation time given its weight relative to the other three domains.