Squawk Codes
glossary.index.last_updated_prefix April 20, 2026 ยท glossary.index.editorial_byline
glossary.index.h2_what_is
glossary.squawk-codes.definition
- 7500
- Hijacking
- 7600
- Lost communications (radio failure)
- 7700
- General emergency
- 7000
- VFR conspicuity (Europe default)
glossary.index.h2_how_used
glossary.squawk-codes.how_its_used