IRI

all the information necessary for an IFR instructor to learn or refresh his knowledge for teaching a student. Even the student would be interested in the included info. all about the use of ADF / VOR - RMI while flying IFR, can be also useful if flying VFR

all the information necessary for an IFR instructor to learn or refresh his knowledge for teaching a student. Even the student would be interested in the included info. all about the use of VOR while flying IFR, can be also useful if flying VFR

all the information necessary for an IFR instructor to learn or refresh his knowledge for teaching a student. Even the student would be interested in the included info. all about the use of ADF / NDB while flying IFR, can be also useful if flying VFR

all the information necessary for an IFR instructor to learn or refresh his knowledge for teaching a student. Even the student would be interested in the included info. all about the use of non precision approaches while flying IFR

all the information necessary for an IFR instructor to learn or refresh his knowledge for teaching a student. Even the student would be interested in the included info. all about the use of HOLDINGS while flying IFR

all the necessary information for the IFR instructor or student