DGCA CPL Radio Aids and Instruments
Navigation instruments, radio navigation aids (VOR, DME, NDB, ILS), radar principles, GNSS, and electronic flight instruments.
1,047
Practice questions
50
Exam questions
90 min
Exam time
70%
Pass mark
High-yield topics
ILSVOR errorsGNSS/GPSTransponder/SSRInstrument errors
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How many questions are in the DGCA CPL Radio Aids and Instruments paper?
The DGCA CPL Radio Aids and Instruments paper contains 50 questions to be completed in 90 minutes. A minimum score of 70% is required to pass.
Which book should I use for DGCA Radio Aids and Instruments?
Radio Aids by RK Bali is the primary prescribed text for this subject. The Oxford Aviation Academy Radio Navigation volume is used by candidates wanting additional depth, particularly on ILS, VOR error analysis, and GNSS principles.
Has the DGCA increased GNSS content in the Radio Aids paper?
Yes. The DGCA has increased GPS and GNSS-related content in the Radio Aids paper in recent years. Candidates using older study materials should ensure their GNSS coverage is current. ProPilotLicence questions reflect the current paper composition.