
Ertuğrul Öz is a career firefighter serving with the Ankara Metropolitan Municipality Fire Department since 2011, currently holding the rank of Firefighter Sergeant (İtfaiye Çavuşu). He has responded to more than 1,000 structural fire incidents and served across three major earthquake response operations in Turkey, as well as numerous flood and water rescue deployments. He holds an associate degree in Civil Defense and Firefighting from Çankırı Karatekin University (on-campus program) and a bachelor\'s degree in Public Administration from Anadolu University (open education). His certifications include Basic Firefighter, Intermediate Search and Rescue (USAR), Hazmat/CBRN Response, First Aid, and Fire Instructor Levels 1 through 4. He has delivered 50+ firefighter training courses and serves as one of AllFirefighter\'s two editorial leads.
Complete firefighter rehabilitation guide: NFPA 1584 requirements, physiological basis for rehab, when to establish the sector, setup and resources, the four rehab components (rest, cooling, rehydration, medical evaluation), return-to-duty criteria, heat illness recognition, and accountability.
Complete structural turnout gear guide: NFPA 1971 TPP and THL requirements, three-layer system explained, outer shell fabric comparison (PBI, Nomex, Defender M), moisture barriers, thermal liners, fit and sizing, major manufacturers (Globe, Morning Pride, Lion), and NFPA 1851 inspection and retirement.
Firefighter written exam guide: major exam formats, NTN FireTEAM section breakdown, math and mechanical reasoning content, reading comprehension, spatial orientation, observation skills, and a complete 6-week study plan.
A practical, training-first pillar for fireground communications and firefighter survival: Mayday triggers, LUNAR format, CAN/UCAN reports, PAR discipline, RIC activation, and a repeatable drill framework to standardize performance under stress.
Complete fireground size-up guide: COAL WAS WEALTH framework, en route size-up, 360-degree walk-around, reading fire and smoke conditions, tactical priorities, initial radio report, and ongoing size-up throughout the incident.
A practical guide to using the Friction Loss Calculator for real fireground decisions: what each input means, how to pick realistic flows, example lays, how friction loss connects to PDP and pump charts, and a field-friendly checklist to avoid bad math under stress.