If you follow the FULL IR, CB-IR or E-IR route you can expect to cover 7 subjects, which takes three to four weeks (80 hours of study).
The seven subjects to study are as follows:
- Air Law
- Flight Planning
- Human Performance
- IFR Communications
- Instrumentation
- Meteorology
- Radio Navigation
Following the ATPL theory route, consists of 14 examinations. These exams are quite intense, and are usually done over a period of 6 months full time education or longer if studying at distance. But bear in mind that you must pass all exams within 18 months of your first exam sitting.
The fourteen subjects to study are as follows:
- Human Performance & Limitations
- Air Law & ATC Procedures
- Operational Procedures
- VFR Communications
- IFR Communications
- Meteorology
- Principles of Flight
- Performance
- Flight Planning
- General Navigation
- Mass & Balance