What's on each written.

Commercial Drone License (Part 107). The FAA knowledge test for flying drones for work or business.

• 1.1Regulations (14 CFR Part 107)
• 1.2Airspace classification & operating requirements
• 1.3Weather sources & effects on sUAS
• 1.4Loading & performance
• 1.5Operations (CRM, radio, physiology, ADM, maintenance)

Private Pilot Written. The first airplane certificate — fly for personal travel and carry passengers.

• 4.1Regulations (14 CFR Parts 61 & 91)
• 4.2Airspace, weather & weather services
• 4.3Aerodynamics, performance & limitations
• 4.4Navigation & cross-country planning
• 4.5Operations, aeromedical factors & ADM

Instrument Rating Written. Fly by reference to instruments in low visibility — the next rung after Private.

• 2.1Preflight preparation & procedures
• 2.2ATC clearances & procedures
• 2.3Flight by reference to instruments
• 2.4Navigation systems
• 2.5Instrument approach procedures
• 2.6Emergency operations & weather

Commercial Pilot Written. The knowledge test required to fly for compensation or hire.

• 3.1Aerodynamics & performance
• 3.2Aircraft systems
• 3.3Regulations (14 CFR Parts 61 & 91)
• 3.4Weather & weather services
• 3.5Weight & balance
• 3.6Aeromedical factors & ADM/risk management

Fundamentals of Instructing. The teaching-theory knowledge test required before any flight-instructor rating.

• 5.1The learning process
• 5.2The teaching process & instructor responsibilities
• 5.3Assessment & critique
• 5.4Human behavior & effective communication
• 5.5Risk management & ADM instruction