KCAA IR Theory study guide
KCAA IR Theory · Work through your exam, one topic at a time.
The KCAA Instrument Rating (IR) Theory Examination is the knowledge test that a pilot in Kenya must pass before progressing toward an instrument rating, allowing flight under instrument flight rules in instrument meteorological conditions. It is aimed at holders of a Commercial Pilot License or Air Transport Pilot Licence, and at pilots converting or validating foreign licences, who need IFR privileges recognised under Kenya Civil Aviation Regulations 2026. The KCAA IR Theory study guide has 7 sections and about 2,111 words.
01Air Law and Kenya Civil Aviation Regulations
This domain tests the legal framework for instrument flight in Kenya: the ICAO standards adopted nationally, the Civil Aviation Act and KCAA regulations, licensing and recency, and the practical rules that govern IFR flight in Kenyan airspace. The Chicago Convention and ICAO Annexes (notably Annex 1 licensing, Annex 2 rules of the air and Annex 11 ATS) are implemented in Kenya through the Civil Aviation Act 2013 and the Civil Aviation Regulations issued by the KCAA.
374 words, about 2 min02Aircraft General Knowledge - Instruments
This domain tests how cockpit instruments derive and display speed, altitude, attitude and heading, and whether you can recognise degraded data before it affects the flight. The ASI depends on pitot ram pressure and static pressure.
303 words, about 2 min03Flight Planning and Monitoring
This domain tests fuel planning, mass and balance, performance, alternates and in-flight monitoring for IFR flights, with particular attention to Kenya's high terrain, hot temperatures and widely spaced alternates. ICAO IFR fuel comprises taxi fuel, trip fuel, contingency fuel (normally 5% of trip fuel), alternate fuel, final reserve (30 minutes holding at 1,500 ft above the destination) and any extra fuel for forecast weather, icing or rerouting.
287 words, about 1 min04Human Performance and Limitations
Human performance questions test whether you can recognise and manage the pilot as a system component: hypoxia, spatial disorientation, fatigue, stress and workload in the IFR environment, including single-pilot operations. At FL350 the time of useful consciousness is only 30–60 seconds; at FL400 it is 15–20 seconds.
273 words, about 1 min05Meteorology
This domain tests tropical East African weather, the hazards that affect IFR flight, and your ability to decode reports and forecasts and apply them to altimetry and planning. Kenya's weather is driven by the ITCZ, monsoon flow and terrain.
294 words, about 1 min06Radio Navigation
This domain tests your ability to use ground-based and satellite navigation to fix position, track, and fly approaches, and to recognise the limitations of each sensor. A VOR gives a magnetic radial, a line of position; the CDI or HSI shows deviation and TO/FROM.
293 words, about 1 min07Instrument Flight Procedures and IFR Operations
This domain tests how you fly the IFR system: departure, enroute, holding, approach, missed approach and altimetry, with emphasis on procedure design and stabilised operation. A flight uses SID, enroute, STAR and approach segments.
287 words, about 1 min