instrument landing

n.

仪器导航着陆；

NAVIGATION INSTRUMENTATION – ILS
Instrument landing
Instrument landing
Eye movements of aircraft pilots during instrument-landing approaches.
Advanced instrument landing system
Two-frequency instrument-landing system
A Study of Instrument Landing System on Decimeter Wave Band
Scaled Measurements of Instrument-Landing-System Disturbances Due to Large Taxiing Aircraft
Design of Simulation System to UAV Decimeter Wave Instrument Landing System
The Memphis Precision Runway Monitor Program Instrument Landing System Final Approach Study