Instrument landing system (uses precision localizer and glide-slope radio transmitters near a runway to provide landing approach guidance)
Instrument landing system. a radar-based system allowing ils-equipped aircraft to find a runway and land when clouds may be as low as 200' (or lower for special circumstances).
Israeli new shekel
Instrument landing system
Integrated logistic support
International lunar society
Intelligent library system (lockheed martin)
Ionization loss spectroscopy
The iso 4217 currency code for the israeli shekel.
