Horizontal Situation Indicator - FlightGear wiki
HDG Warning Flag. The red HDG Warning Flag (4) becomes visible when the speed of the directional gyro is to low. Beware that there may occur compass failures that are not indicated by the HDG Warning Flag, so compare the indicated heading with the …
horizontal situation indicator (HSI) - Pilotfriend
This red warning flag indicates inadequate VOR or LOC signal, or loss of power to meter circuits. Under these conditions, course information is unusable, however, all heading information remains valid.
Sep 23, 1971 · The Horizontal Situation Indicator (HSI) is designed to display the following navigation information: Heading, Bearing, Distance, Course Deviation, and TO-FROM .
Horizontal Situation Indicator - HSI | IVAO Documentation Library
In the HSI instrument, the TO/FROM indicator (yellow triangle) always points toward the VOR direction. The course radial indicator (black arrow) represents the radial direction from the VOR. The course deviation bar (red) is located exactly in function of the aircraft heading.
Horizontal Situation Indicator (HSI) AQU-13/A - PDP-11
Deviation warning flag The red rectangle a little out of the center of the instrument is visible when no power is applied. When power is applied it disappears.
♦ The red aircraft symbol shows the aircraft’s position in relation to the localizer. When passing the OM (outer marker) inbound, it is more practical to hold the lubber line
Four warning flags - tpub.com
HSI, fault in HSI internal power. supply, or invalid information from. SAHRS /NGS (2) With ILS selected, GS flag. indicates unreliable GS signal (3) NAV flag indicates invalid or. absent signal from selected. TACAN, VOR, or ILS transmitter (4) TACAN range warning flag (horizontal bar over numbers) indicates invalid DME signal or. TACAN system ...
schweizer 333M Horizontal Situation Indicator (HSI)
HDG Warning Flag Indicates if the Heading Indicator is functioning properly. When is working the flag will not be showing, if is a malfunction the flag will show.
Horizontal Situation Indicator (HSI) - SKYbrary Aviation Safety
When the NAV warning flag appears, it indicates no reliable signal is being received. The appearance of the HDG flag indicates the compass card is not functioning properly. In some implementations, a GS flag is also available to indicate unreliable glideslope signal.
Horizontal Situation Indicator - wiki.flightgear.org
The red NAV Warning Flag (3) indicates, that either CDI or the GS indicators are unreliable. It is driven by the signal quality of the received nav station. Do not use the CDI or GS indicators for navigation when the NAV Warning Flag is visible.