Fresnel Lens Optical Landing System (FLOLS)
Carrier Qualification
FRESNEL LENS OPTICAL LANDING SYSTEM (FLOLS)
MODEL DESCRIPTION
There are three models of the Fresnel lens: one is a portable shore-based model (Figure 1) and the other
two are shipboard models. The model (Figure 2) used on most carriers is line and inertial stabilized. Line
stabilization compensates for the ship’s pitch and roll, where inertial compensates for pitch, roll, and
heave.
Green Cut Lights
Lens Assembly
Green Datum Lights
Green Datum Lights
Red Waveoff Lights
Red Waveoff Lights
Figure 1: FRESNEL LENS--SHORE-BASED MODEL
Figure 2: FRESNEL LENS--SHIP-BASED MODEL
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