黑飞

黑飞	hēi fēi	to fly illegally (of planes, drones etc)
黑	Hēi	abbr. for Heilongjiang province 黑龙江
黑	hēi	black / dark / sinister / secret / shady / illegal / to hide (sth) away / to vilify / (loanword) to hack (computing)
飞	fēi	to fly