Incazelo yesichazamazwi ye-"flypast" iwumkhosi noma indiza yokugubha indiza endaweni ethile, ngokuvamile eyenziwa endaweni ephansi kanye nokuboniswa okuhlaba umxhwele kwekhono nokusebenzisana. Ivamise ukusetshenziswa ezimeni zempi noma zezindiza ukuchaza ukuboniswa kwendiza njengengxenye yombukiso noma umcimbi oyisikhumbuzo.
