Airman Certification Standards: Instrument Rating (Airplane, Helicopter & Powered Lift)
ASA Test Prep 2023: Instrument and CFII Rating
Computer Testing Supplement - Instrument Rating Addendum A
Instrument Flying Handbook
Oral Exam Guide: Instrument
Pilot's Manual Volume 3: Instrument Flying
Pilot's Manual: Instrument Rating Syllabus
Practical Test Standards: CFI - Instrument
Test Supplement - Instrument Rating
The Complete Private Pilot
