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ROUTE Navigation Instructions


Zeus67

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ROUTE navigation, formerly known as NSEQ navigation, allows the Harrier to fly a subset of the mission flightplan.
There are three types of Routes, although only two are enabled:
1. SEQ: Sequential, in which a route is created following all the waypoints sequentially to a selected terminus.
2. NSEQ: Non sequential, in which a route is created by programing a sequence of waypoints. These waypoints do not need to be in sequential order. 
3. RSEQ: Not enabled in the real aircraft. Creates a sequential route similar to the flight plan by using the GPS,

HOW TO create a ROUTE
1. Select the EHSD Data Page.
2. Select the NSEQ option (PB11)
3. The ODU will show the following options: ODU 1: IGRS, ODU 2: EGRS, ODU 3: TERM, ODU 4: PROG, ODU 5: RSET.
3.1 IGRS: Creates a non sequential ingress route TO a target. The last entry is considered to be a target. If the last entry has a n offset, the offset it the last navigation point.
3.2 EGRS: Creates a non sequential egress route FROM a target. The first entry is the last IGRS point (if it exists). The last entry is considered the HOME waypoint.
3.3 TERM: Creates a sequential flight route from the aircraft position to the selected terminus waypoint or designated targetpoint. If no targetpoint was designated, the terminus waypoint is considered to be the target. If the waypoint has an offset, the offset is considered to be the end point.
3.3 PROG: When selected enables the programing of a route.
3.4 RSET: Clears the selected route.
4. Seelct the route to be created by clicking on ODU buttons 1 to 3. The selected option will be colonized (a colon will appear).
5. Click on the PROG ODU button.
5.1 The ODU will change to the following options: ODU 1: WYPT, ODU 2: MKPT (Only for IGRS and EGRS), ODU 3: TGPT, ODU 4: PROG (it will be colonized), ODU 5: Seelcted route option (IGRS, EGRS or TERM).
5.2 ODU 1 to 3 indicates the ype of steerpoint that will be used to create the route. By default WYPT is colonized, meaning that waypoints will be used.
5.3 Select the type of steerpoint: Waypoint (WYPT) {DEFAULT}, Markpoint (MKPT) [only for IGRS and EGRS} or Tragetpoint (TGPT).
5.4 The UFC scratchpad will show the last enterd waypoint. 0 if the route is empty. For IGRS and EGRS, the EHSD will show the routes selected waypoints. IGRS route is on top, EGRS route is at the bottom.
5.5 For TERM routes, a waypoint is required. You can also select a targetpoint, but the route will be createf to the terminus waypoint and then to the targetpoint.
5.6 YOu can change the type of route by clicking on ODU 5. Its label will cycle from IGRS to EGRS to TERM back to IGRS.
6. When you have finished, click on the EHSD DATA button.

HOW TO use a ROUTE
1. ROUTE can only be selected when the aircraft master mode is not in AG (NAV, VSTOL or AA).
2. In the EHSD navigation page select the ROUTE option (PB10)
3. The ODU will show the available options: ODU 1: SEQ (DEFAULT and always available), ODU 2: NSEQ (Available only if an IGRS and/or an EGRS route has been defined), ODU 3: RSEQ (Not available)
4. Select the option in the ODU. 
4.1 The selected option will be colonized. 
4.2 The ROUTE button label will change to the selected route option: SEQ oe NSEQ and it will be boxed, indicating that it is active.
4.3 The route will be shown in the EHSD map.
4.4 For NSEQ routes, the IGRS route will be a solid dark purple line. The EGRS route will be a dashed purple line.
5. Pressing the SEQ or NSEQ boxed button will unbox it. The legend will change to ROUTE and the route navigation will be disabled.
 

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