ILS (Instrument Landing System) is a precision approach system that provides lateral and vertical guidance to aircraft during landing. It consists of two main components: the localizer and the glideslope. The localizer provides lateral guidance by emitting a signal that the aircraft's receiver can track. The glideslope provides vertical guidance by emitting a signal that the aircraft's receiver can track.
To conduct an ILS approach, the pilot must first tune the aircraft's navigation radio to the ILS frequency. The pilot must also set the aircraft's altimeter to the correct barometric pressure.
Once the aircraft is tuned to the ILS frequency, the pilot can begin the approach. The pilot will first fly the aircraft toward the localizer signal. The aircraft's receiver will track the localizer signal and provide the pilot with lateral guidance. The pilot will then fly the aircraft along the glideslope signal. The aircraft's receiver will track the glideslope signal and provide the pilot with vertical guidance.
As the aircraft approaches the runway, the pilot will begin to descend along the glideslope. The pilot will also begin to reduce the aircraft's speed. The pilot will continue to fly the aircraft along the glideslope until the aircraft reaches the touchdown point.
At the touchdown point, the pilot will flare the aircraft. The pilot will then lower the aircraft's landing gear and flaps. The pilot will then apply the brakes to slow the aircraft down. The aircraft will land on the runway.
Auto-landing
Auto-landing is a system that allows an aircraft to land without human intervention. Auto-landing systems use a variety of sensors to track the aircraft's position and attitude. These sensors provide the auto-landing system with the information it needs to control the aircraft's flight controls.
Auto-landing systems are typically used in commercial aviation. They are also used in military aviation for certain missions.
Difference between GPSNAVAPP and automatic pilot buttons
The GPSNAVAPP button is used to engage the aircraft's GPS navigation system. The automatic pilot buttons are used to engage the aircraft's autopilot system.
The GPSNAVAPP button is located on the aircraft's control panel. The automatic pilot buttons are located on the aircraft's yoke.
When the GPSNAVAPP button is pressed, the aircraft's GPS navigation system will be engaged. The GPS navigation system will provide the aircraft with lateral and vertical guidance. The aircraft will fly along the route that is programmed into the GPS navigation system.
When the automatic pilot buttons are pressed, the aircraft's autopilot system will be engaged. The autopilot system will control the aircraft's flight controls. The autopilot system will fly the aircraft along the route that is programmed into the autopilot system.
The main difference between the GPSNAVAPP button and the automatic pilot buttons is that the GPSNAVAPP button only engages the aircraft's GPS navigation system. The automatic pilot buttons engage the aircraft's autopilot system.