Quantcast Figure 408-2. Fresnel Lens Optical Landing System (FLOLS)

 

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JOINT ADVANCED MULTI-ENGINE T-44A
Basics. Basically, the FLOLS appears as two sets of green (datum) lights arranged horizontally on
either side of a large yellow light (the meatball). When above the glide slope, the meatball will appear
to be above the green line formed by the datum lights. When below glide slope, the meatball will
appear below the datum lights. At the lowest limit of the FLOLS glide slope envelope, the meatball
turns red. The object is to line up the meatball with the datum lights. The five meatball lights are
framed by red waveoff lights. These will not normally be visible, but when activated by tower, they
will flash red and command a go-around. Other waveoff lighting that may be installed at USN/USMC
airports run along each side of the runway extending to 2500 feet from the threshold (see FIH section
B). All waveoff signals are mandatory unless the pilot is experiencing an emergency.
WARNING: When more than 0.75 () degrees above or below the glide slope, the meatball will disappear. When
in doubt, assume you are below the glide slope.
Figure 408-2. Fresnel Lens Optical Landing System (FLOLS).
E. Student Tendencies.
Flying a "duck-under" maneuver when transitioning to land; not maintaining a normal glidepath to
the runway point of intersection (RPI)
Weak crosscheck of airspeed and altitude while concentrating on visual cues outside aircraft
during a circling maneuver
Starting circling maneuver early, turning from final approach course before inside the circling
obstacle clearance area
After leveling off at circling MDA, allowing the aircraft to climb back into the "simulated
weather" while maneuvering to land, resulting in an instructor directed missed approach
Overshooting the turn to final during a circling maneuver
409.
Missed Approach.
A. Planning.
Performing a missed approach successfully is the result of thorough planning. You should familiarize
yourself with the missed approach instructions during preflight planning. The missed approach
instruction is designed to return the aircraft to an altitude providing enroute obstruction clearance. In
some cases, the aircraft may be returned to the initial segment of the approach. A clearance for an
RADIO INSTRUMENTS STAGE
4-55


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