The difference between PAPI APAPI HAPI CHAPI

Date: 5/15/2021 10:17:54 AM

PAPI is short for precision approach path indicator

APAPI is short for abbreviate precision approach path indicator

HAPI is short for helicopter approach path indicator

CHAPI is short for chase helicopter approach path indicator

All could be powered by solar system.



PAPI APAPI HAPI CHAPI.jpg


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