How do I navigate a flight simulator using charts, VORs and dead reckoning?

To navigate a flight simulator using charts, VORs and dead reckoning, plot charted checkpoints and headings before departure, tune and identify each VOR, track the required radial, and use time, speed and visible landmarks between radio fixes. Cross-check all three methods instead of treating one as the sole source.

For aviation and real-world flying practice, this method is platform-independent; only the avionics controls and navigation data differ between Microsoft Flight Simulator, X-Plane, Prepar3D and older simulators. The aim is to maintain a continuously updated estimate of where the aircraft is, then confirm or correct it whenever a reliable fix becomes available.

How charts, VORs and dead reckoning work together

Charts provide the route and reference points, VORs provide radio-derived lines of position, and dead reckoning fills the gaps between confirmed fixes.

Which chart should I use?

Use a VFR chart when roads, coastlines, rivers and towns will be your main checkpoints; use an IFR en-route chart when the route is defined mainly by radio aids, airways and intersections. An approach chart covers the arrival procedure but does not replace the en-route chart.

Mark the departure point, destination, usable VORs, turning points and unmistakable visual features. Check terrain and airspace as well as the route line. Our practical workflow for reading charts and transferring their information into the cockpit covers the chart symbols and briefing process in more detail.

Do not apply magnetic variation twice. A track measured against chart meridians begins as a true course, while published VOR courses and most procedure tracks are normally magnetic. Follow the chart legend, especially in regions where radio aids may use a true-north reference.

How do I plan and fly the route?

Build the route as a series of short legs, each ending at a VOR fix, crossing radial or distinctive visual checkpoint.

1. Plot each leg: Measure its course and distance. Avoid relying on a VOR that is beyond usable range or screened by terrain.
2. Create a navigation log: Record desired track, wind-corrected heading, distance, expected groundspeed and estimated time for every leg. Time in minutes is distance in nautical miles divided by groundspeed in knots, multiplied by 60. For a fuller planning method, use our heading, wind and timing technique for dead reckoning.
3. Prepare the radios: Put the VOR frequency in the NAV receiver, switch it active and identify the station by its displayed or audible identifier. If the aircraft has a navigation-source selector, choose VLOC or NAV rather than GPS.
4. Set the intended course: Rotate the OBS or course selector to the desired inbound or outbound course. Confirm that the TO/FROM indication agrees with the planned direction.
5. Start the clock: Begin timing when crossing the departure checkpoint or turning onto the leg. Fly the calculated heading rather than continually steering at individual landmarks.
6. Intercept and track: With normal sensing established, use an intercept angle of roughly 20–30 degrees towards the CDI needle, reducing the angle as the needle centres. Apply a wind correction instead of repeatedly chasing the needle.
7. Fix and update: At each confirmed checkpoint, compare actual and predicted arrival times. Recalculate groundspeed and the remaining estimates rather than carrying the original error through every later leg.

How do VOR radials fit into dead reckoning?

A VOR radial is normally the magnetic bearing extending from the station, regardless of which direction the aircraft is flying.

For example, an aircraft east of a VOR is on the 090 radial. To fly towards the station from that position, select approximately 270 degrees and expect a TO indication. To depart eastwards along the same line, select 090 degrees and expect FROM.

The CDI shows displacement from the selected course; it is not a command to turn to the number shown on the OBS. Near station passage, the indication can become sensitive or unstable, followed by a TO/FROM change. Hold the planned heading through this cone of confusion and resume tracking once the indications settle. Our worked explanation of VOR tuning, radials and CDI tracking provides additional practice examples.

Can I navigate without GPS or DME?

Yes, GPS and DME are optional if the route has usable visual checkpoints, timed legs or crossing VOR radials.

One VOR radial gives a line of position, not a precise point. A second radial from another station creates a cross-fix; radials meeting near a right angle give a better fix than lines intersecting at a shallow angle. Without a second station, combine the radial with a timed estimate, station passage or a recognisable charted feature.

When a fix reveals that the aircraft is off course, do not simply point at the next checkpoint. Estimate the track error, choose a correcting heading that will regain the planned line, and update the remaining time using observed groundspeed.

Why is the VOR needle wrong or missing?

Most apparent VOR failures are caused by the wrong navigation source, reciprocal-course confusion, lack of reception or a chart that does not match the simulator's navigation data.

• The CDI does not respond: Check avionics power, NAV rather than COM tuning, the active frequency and the GPS/VLOC source selector.
• The needle moves backwards: Check whether the selected course and TO/FROM flag match the intended direction. Reverse sensing is common when an inbound course is set while attempting to fly outbound, or vice versa.
• The OBS does not steer the aircraft: That is normal while hand-flying. The OBS selects the displayed course; it does not control heading unless a compatible autopilot mode is engaged and able to capture it.
• No identifier is received: Treat the station as unusable until tuning, range and line of sight have been checked. The VOR reception troubleshooting checklist covers these faults.
• The frequency or station position differs from the chart: Use charts matching the simulator's installed navigation data where possible. For actual flight, use valid approved publications and resolve every discrepancy before relying on the aid.