User:Jak/Sandbox - Revision history

Jak at 08:35, 10 May 2021

2021-05-10T08:35:55Z

Jak at 08:08, 10 May 2021

2021-05-10T08:08:57Z

Jak at 08:08, 10 May 2021

2021-05-10T08:08:06Z

Jak at 06:50, 10 May 2021

2021-05-10T06:50:44Z

Jak at 05:32, 9 May 2021

2021-05-09T05:32:44Z

Jak at 03:05, 8 May 2021

2021-05-08T03:05:33Z

Jak at 02:58, 8 May 2021

2021-05-08T02:58:59Z

Jak at 11:21, 7 May 2021

2021-05-07T11:21:48Z

Jak at 11:20, 7 May 2021

2021-05-07T11:20:59Z

Jak at 11:13, 7 May 2021

2021-05-07T11:13:00Z

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 #'''Heading Scale''' - The heading scale indicates the current magnetic or true heading of the aircraft in conjunction with the heading caret. The heading scale can be thought of a compass. It is not to scale; in other words the ticks on it are not scaled to the outside world on the HUD. The heading scale is shifted up 1.25&deg; from its position in NAV master mode when in A/G or A/A master mode.
 #'''Heading Caret''' - This caret simply indicates the current aircraft heading on the heading scale. This does not indicate actual aircraft ground track corrected for wind drift, but only the heading of the nose. When the heading reference is set to true north on the HSI format, the caret becomes a letter "T".
-#'''Command Heading Cue''' - The command heading cue indicates the commanded heading to steer to the selected waypoint/OAP, offset, markpoint, TACAN, or designation. The command heading cue, although commanding a heading, is corrected for wind drift so that flying the commanded heading will place the aircraft's ground track at the desired point and not necessarily point its nose directly at it. As such, using the command heading cue simply involves steering the aircraft such that the heading cue line and the heading caret are lined up.
+#'''Command Heading Cue''' - The command heading cue indicates the commanded heading to steer to the selected waypoint/OAP, offset, markpoint, TACAN, or designation. The command heading cue, although commanding a heading, is corrected for wind drift so that flying the commanded heading will place the aircraft's ground track at the desired point and not necessarily point its nose directly at it. As such, using the command heading cue simply involves steering the aircraft such that the heading cue line and the heading caret are lined up. When steering to an A/G designation, the cue becomes a diamond shape.
 #'''Navigation Range Cue''' - Range in nautical miles to the selected steer-to point is selected here. This can be a waypoint/offset aimpoint, offset, markpoint, TACAN, or A/G designation. A waypoint/OAP, offset, or markpoint is suffixed by the letter ''W'' (waypoint/OAP), ''O'' (offset), or ''M'' (markpoint) and its number. A TACAN is suffixed by its three-letter identifier. The A/G designation is suffixed by ''TGT''. Range to anything but TACAN is range over the ground. Range to TACAN is slant range.
 }}

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 The only navigation-oriented HUD symbology not described here is covered in HUD Gear Down Symbology, HUD Courseline Steering Symbology, and HUD ICLS Symbology. There is also a wide range of HUD symbology pertinent to weapon and sensor employment. These are detailed in the appropriate sections; refer, generally, to A/A Systems and A/G Systems.
 [[File:HUD - NAV Labels.jpeg|526px|center]]
 {{Columns-list|2|

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 {{Columns-list|2|
 #'''Indicated Airspeed''' - Indicated airspeed (IAS) in knots is displayed in this box.
-#'''Best Climb Airspeed''' -
+#'''Best Climb Airspeed''' - When CLIMB is boxed on the FPAS format, the best climb airspeed is displayed above the current airspeed. This is only displayed in NAV master mode.
 #'''Altitude''' - Altitude is displayed in feet in this box. When the altitude source switch is set to BARO, barometric altitude above mean sea level (MSL) is displayed. If the source is set to RADAR, radar altimeter altitude above ground level (AGL) is displayed if valid. The radar altitude is always suffixed by a letter ''R''. Radar altitude may go invalid due to steep bank angle or being too high above the ground. When the radar altitude is invalid and the source is set to radar, barometric altitude is displayed instead. This condition where radar altitude is selected but barometric altitude is actually being displayed is indicated by a flashing letter ''B'' to the right.
 #'''Vertical Speed''' - Vertical speed in feet per minute (fpm) is displayed directly above the altitude box. A negative value (losing altitude) is prefixed with a minus (-) sign. The vertical speed is only shown in NAV master mode.
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 #'''Current G''' - The current G-force experienced by the aircraft is indicated here.
 #'''Peak G''' - The highest G-force experienced is indicated here if that peak G-force was more than 4.0G. The peak G is reset when the HUD symbology reject switch is cycled to REJ1 (or REJ2) and back to NORM.
-#'''Time Window''' -
+#'''Time Window''' - Either the current Zulu time (EI), a countdown timer (CD), or an elapsed time (ET) can be displayed in this area of the HUD. This is set using the TIMEUFC function on the HSI format.
 #'''Velocity Vector''' - The velocity vector indicates the actual vertical flight path angle and, when uncaged, the horizontal flight path (accounting for wind drift) as well. When the ghost velocity vector is displayed (caged velocity vector operation), then this velocity vector is displayed near the center of the HUD and does not indicate true horizontal drift.
 #'''Ghost Velocity Vector''' - The ghost velocity vector is displayed when the HUD is caged and appears as a segmented version of the velocity vector. Its purpose is to indicate the real horizontal flight path angle of the aircraft with regard to wind drift, while the regular velocity vector remains near the center of the HUD. Refer to [[#Caged/Uncaged Velocity Vector|Caged/Uncaged Velocity Vector]].

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 {{Columns-list|2|
 #'''Indicated Airspeed''' - Indicated airspeed (IAS) in knots is displayed in this box.
 #'''Altitude''' - Altitude is displayed in feet in this box. When the altitude source switch is set to BARO, barometric altitude above mean sea level (MSL) is displayed. If the source is set to RADAR, radar altimeter altitude above ground level (AGL) is displayed if valid. The radar altitude is always suffixed by a letter ''R''. Radar altitude may go invalid due to steep bank angle or being too high above the ground. When the radar altitude is invalid and the source is set to radar, barometric altitude is displayed instead. This condition where radar altitude is selected but barometric altitude is actually being displayed is indicated by a flashing letter ''B'' to the right.
 #'''Vertical Speed''' - Vertical speed in feet per minute (fpm) is displayed directly above the altitude box. A negative value (losing altitude) is prefixed with a minus (-) sign. The vertical speed is only shown in NAV master mode.
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 #'''Current G''' - The current G-force experienced by the aircraft is indicated here.
 #'''Peak G''' - The highest G-force experienced is indicated here if that peak G-force was more than 4.0G. The peak G is reset when the HUD symbology reject switch is cycled to REJ1 (or REJ2) and back to NORM.
 #'''Velocity Vector''' - The velocity vector indicates the actual vertical flight path angle and, when uncaged, the horizontal flight path (accounting for wind drift) as well. When the ghost velocity vector is displayed (caged velocity vector operation), then this velocity vector is displayed near the center of the HUD and does not indicate true horizontal drift.
 #'''Ghost Velocity Vector''' - The ghost velocity vector is displayed when the HUD is caged and appears as a segmented version of the velocity vector. Its purpose is to indicate the real horizontal flight path angle of the aircraft with regard to wind drift, while the regular velocity vector remains near the center of the HUD. Refer to [[#Caged/Uncaged Velocity Vector|Caged/Uncaged Velocity Vector]].

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 The only navigation-oriented HUD symbology not described here is covered in HUD Gear Down Symbology, HUD Courseline Steering Symbology, and HUD ICLS Symbology. There is also a wide range of HUD symbology pertinent to weapon and sensor employment. These are detailed in the appropriate sections; refer, generally, to A/A Systems and A/G Systems.
 [[File:HUD - NAV Labels.jpeg|526px|center]]
 {{Columns-list|2|

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 #'''Bank Angle Scale''' -
 #'''Heading Scale''' -
-#'''Heading Caret''' -
+#'''Heading Caret''' - This caret simply indicates the current aircraft heading on the heading scale. This does not indicate actual aircraft ground track corrected for wind drift, but only the heading of the nose.
 #'''Command Steering Marker''' -
 #'''Navigation Range Cue''' - Range in nautical miles to the selected steer-to point is selected here. This can be a waypoint, offset, TACAN, or A/G designation. A waypoint or offset is suffixed by the letter ''W'' or ''O'' and its number. A TACAN is suffixed by its three-letter identifier. The A/G designation is suffixed by ''TGT''. Range to anything but TACAN is range over the ground. Range to TACAN is slant range.