In aviation terms the difference between ils and adf
is that ils is instrument landing system while adf is automatic direction finder: automatic direction finder.
As an initialism ILS
is instrument landing system.
As a noun ADF is
automatic direction finder: automatic direction finder.
ils
Translingual
Initialism
(Initialism)
(head)
Israeli new sheqel
Usage notes
This is the currency code used in the standard.
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adf
English
Noun
(
en noun)
(aviation) automatic direction finder: automatic direction finder