2. CONTENTS
•WHAT IS IFF ?
•HISTORY AND DEVELOPMENT OF IFF
•IFF SYSTEM PARTS
•IFF MODES
•HOW IFF SYSTEM WORKS?
•OTHER IFF APPLICATION
•CONCLUSION
3. WHAT IS IFF ?
Identification, friend or foe (IFF) is an
identification system designed for command and control.
It enables military and civilian air traffic control
interrogation systems to identify aircraft as friendly.
4. HISTORY AND DEVELOPMENT OF IFF
• The technology IFF
was developed during
WORLD WAR-II by
British and American
military
• Sir ROBERT WATSON
WATT invented the first
IFF transponder in 1935
• This technology was later
used by Civil Aviation in
1950s.
4