- published: 02 Sep 2011
- views: 485

- Order:
- Duration: 8:44
- Updated: 02 Sep 2011
- views: 485

Answer to Navigation question 10 - Use dividers to on the Timor Sea chart below to find the distance in nautical miles between :
a) the peak on Moa and the northern lighthouse on Wetar
b) the lighthouses on Kisar and Lakor
c) Recon light and the peak on Babar

https://wn.com/Navigation_Nautical_Distances_(1Of2)
- Order:
- Duration: 2:51
- Updated: 02 Sep 2011
- views: 244

Answer to Navigation question 10 - Use dividers to on the Timor Sea chart below to find the distance in nautical miles between :
a) the peak on Moa and the northern lighthouse on Wetar
b) the lighthouses on Kisar and Lakor
c) Recon light and the peak on Babar

https://wn.com/Navigation_Nautical_Distances_(2Of2)
- Order:
- Duration: 2:35
- Updated: 26 Jan 2016
- views: 626

How to measure distance on a nautical chart.

https://wn.com/Measuring_Miles_On_A_Nautical_Chart
- Order:
- Duration: 2:43
- Updated: 27 May 2009
- views: 15999

How to measure distance on a chart and work out the time it will take to travel. Nautical navigation. Watersports training

https://wn.com/Measuring_Distance_On_A_Nautical_Chart
- Order:
- Duration: 1:48
- Updated: 11 Apr 2014
- views: 5250

You can obtain a fix by combining two or more distances or distances and compass bearings.
This is how you plot a fix position combining two or more distances:
Let's assume you sail near the coast.
The radar is in good working condition and in operation.
Taking into account your last position, and after comparing the nautical chart's coast line with that on the radar screen, you spot two points on the screen, A and B, from where you can take distances.
The equivalent ones on the nautical chart are points A and B.
Using the radar's range marker you measure a distance of 5.2 nautical miles from point A, and 2.8 nautical miles from point B. You note the time - let's assume it is 0930 hours.
Then return to the nautical chart, and using the dividers, span a distance of 5.2 nautical miles on the latitude scale which is closest to the present position and which runs along the sides of the chart. Apply this span, placing one leg of the dividers at point A, and draw a semicircle near the course line.
Now span a distance of 2.8 nautical miles and apply this span, placing one leg of the dividers at point B, and draw a second semicircle intersecting the first semicircle and near the course line.
The point where the two semicircles intersect is the fix position at 0930 hours.

https://wn.com/34_Fix_Position_Distances_And_Compass_Bearings_Distances_And_Compass_Bearings_1
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- Duration: 4:31
- Updated: 24 Feb 2015
- views: 3916

This video is part of the online captain’s license course offered by US Captains Training. It is used in conjunction with classroom training and offered to the world for free via YouTube. The video goes over Distance, Speed, and Time Overview in the chart navigation section of US Captain’s Training’s Online Master Captain’s license course.

https://wn.com/Captain_License_Chart_Navigation_–_Distance,_Speed,_And_Time_Overview
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- Duration: 6:08
- Updated: 02 Jan 2016
- views: 14248

Part 5 really starting to take shape. Here's a short list of Airport to airport codes and distances. Remember, the distances are based on a ball shape earth, but even though the earth is flat, those distances are still relative and therefore useful.
SYD to USH
5877 miles (9458 kilometers, 5107 nautical miles).
http://www.airmilescalculator.com/distance/syd-to-ush/
DEL New Delhi to MAA
1096 miles (1764 kilometers, 953 nautical miles).
DEL to CGK Jacarta
3105 miles (4997 kilometers, 2698 nautical miles).
CGK to SYD.
3433 miles (5525 kilometers, 2983 nautical miles).
MAA to CGK
2249 miles (3620 kilometers, 1955 nautical miles).
MNL Manila to CGK
1734 miles (2791 kilometers, 1507 nautical miles).
MNL to SYD.
3896 miles (6269 kilometers, 3385 nautical miles).
DEL to MNL
HKG Hong Kong to CGK
2027 miles (3263 kilometers, 1762 nautical miles). 4 h 20 min.
HKG to MNL
713 miles (1147 kilometers, 619 nautical miles). 1 hour 51.
DEL to HKG
2331 miles (3752 kilometers, 2026 nautical miles).
HKG to PEK Beijing
1239 miles (1994 kilometers, 1077 nautical miles).
PEK to SYD.
5576 miles (8974 kilometers, 4846 nautical miles).
DYR East Russia, to FAI Alaska
1003 miles (1613 kilometers, 871 nautical miles).
DYR to PEK
2924 miles (4706 kilometers, 2541 nautical miles).
DME to DYR
3873 miles (6232 kilometers, 3365 nautical miles).

https://wn.com/Precise_To_Scale_Flat_Earth_Map_Coming_Part_5
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- Duration: 1:19
- Updated: 11 Apr 2014
- views: 1192

This is how you plot a fix position combining distances and compass bearings:
Using the radar's range marker you obtain a distance of 5.2 nautical miles from point A and 2.8 nautical miles from point B.
Immediately afterward, using the hand held compass, take a bearing of lighthouse B. Let's assume that after applying the correction for the variation that the bearing of lighthouse B is 100° true.
Using the dividers you plot the two distances 5.2 and 2.8 nautical miles taken from point A and point B respectively, to the nautical chart.
Then place the parallel ruler on the compass rose on the 100° degree line, and transfer that line passing from lighthouse B and crossing the course line.
As you can see, the two distances and the compass bearing intersect.
The point of intersection will be the fix position at 0930 hours.

https://wn.com/35_Fix_Position_Distances_And_Compass_Bearings_Distances_And_Compass_Bearings_2
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- Duration: 1:37
- Updated: 27 Sep 2012
- views: 2822

This short 'how to' film by Stormforce Coaching's Principal, Doug Innes, demonstrates how to measure the distance between two points on a chart, using latitude.
Doug explains how to use a latitude scale and a set of dividers to measure a distance, and how to equate minutes and miles.

https://wn.com/How_To_Measure_Distance_On_A_Chart
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- Duration: 25:52
- Updated: 21 Feb 2016
- views: 636

Part 2 of my CRP5 series, showing the way to use a CRP-5 to convert distances.
The most useful conversions to know are:
1m = 3.28ft
1nm = 1,852m
1nm = 1.852km
1nm = 6,080ft
1nm = 1.15sm
1sm = 1,610m
1sm = 1.610km

https://wn.com/Crp_5_Distance_Conversions
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- Duration: 12:02
- Updated: 28 Dec 2015
- views: 12895

Timeanddate.com
North Pole to London = 4.293 KM 2,667 statute miles.
http://www.timeanddate.com/worldclock/distances.html?n=136
LHR London Heathrow to GLA Glasgow airport
282km west and 491 km north
175 miles west + 306 miles north
346 statute miles as the crow flies
https://www.freemaptools.com/how-far-is-it-between-london_-uk-and-glasgow_-scotland.htm
LHR London Heathrow Airport to MCO Orlando Airport
4333 Statute miles. 6973KM. 3765 Nautical miles.
http://www.airmilescalculator.com/distance/lhr-to-mco/
Orlando MCO Airport to JFK New York Airport
947 Statute miles. 1523KM. 823 Nautical miles. 2 hours 13 minutes flight time.
NY is 360 miles west of Orlando
http://www.travelmath.com/flying-time/from/JFK/to/MCO
http://www.airmilescalculator.com/distance/mco-to-jfk/
JFK to LAX Los Angles Airport
2472 Statute miles. 3979KM. 2148 Nautical miles. 5 hours 11 minutes flight time.
http://www.airmilescalculator.com/distance/jfk-to-lax/
LAX to MEX Mexico city Airport
1555 Statute miles. 2502KM. 1351 Nautical miles. 3 hours 27 minutes flight time.
http://www.airmilescalculator.com/distance/mex-to-lax/
MEX to MCO Orlando Airport
1282 Statute miles. 2063KM. 1114 Nautical miles. 2 hours 56 minutes flight time.
http://www.airmilescalculator.com/distance/mco-to-mex/
LAX Los Angles to YXE Saskatoon Airport Canada
1389 statute miles. 2285KM. 1207 Nautical miles. 3 hours 8 mins flight time.
http://www.airmilescalculator.com/distance/yxe-to-lax/
JFK to YXE Saskatoon Airport Canada
1740 Statute miles. 2801KM. 1512 Nautical miles. 3 hours 48 mins flight time.
http://www.airmilescalculator.com/distance/yxe-to-jfk/
YXE Saskatoon Canada to FAI Fairbanks Alaska Airport
1682 Statute miles. 2707KM. 1462 Nautical miles. 3 hours 41 mins flight time.
http://www.airmilescalculator.com/distance/fai-to-yxe/
FAI Fairbanks Alaska to LAX Los Angles Airport
2465 statute miles. 3967KM. 2142 Nautical miles. 5 hours 10 mins flight time.
http://www.airmilescalculator.com/distance/fai-to-lax/
MEC Eloy Alfaro Ecuador Airport to Mex Mexico city Airport
1884 statute miles. 3032KM. 1637 Nautical miles. 4 hours 4 mins flight time.
http://www.airmilescalculator.com/distance/mex-to-mec/
MCO Orlando Florida to MEC Eloy Alfaro Ecuador Airport.
2033 statute miles. 3271KM. 1766 Nautical miles. 4 hours 21 mins flight time.
MEC Ecuador Airport to NAT East Brazil airport
3155 statute miles. 5077KM. 2741 Nautical miles. 6 hours 28 mins flight time.
http://www.airmilescalculator.com/distance/mec-to-nat/
NAT Brazil to JFK New York Airport.
4042 statute miles. 6505KM. 3513 Nautical miles. 8 hours 9 mins flight time.
http://www.airmilescalculator.com/distance/jfk-to-nat/
NAT Brazil to PUQ Chile Airport.
3827 statute miles. 6159KM. 3326 Nautical miles. 7 hours 45 mins flight time.
http://www.airmilescalculator.com/distance/puq-to-nat/
Ecuador Airport (MEC) to Chile Satiago Airport (SCL)
2334 statute miles. 3757KM. 2029 Nautical miles. 4 hours 55 mins flight time.
http://www.airmilescalculator.com/distance/mec-to-scl/
SCL Chile to NAT Brazil Airport.
2969 statute miles. 4778KM. 2580 Nautical miles. 6 hours 7 mins flight time.
http://www.airmilescalculator.com/distance/scl-to-nat/
Facebook search Flat earth cartography

https://wn.com/Precise_To_Scale_Flat_Earth_Map_Coming_Part_3
- Order:
- Duration: 2:03
- Updated: 11 Apr 2014
- views: 7369

Another method of taking a running fix is by doubling the angle on the bow, having in mind the properties of an isosceles triangle.
This fix requires the first bearing to be less than 45° from the bow. Assuming the course is 090° degrees and the speed is 10 knots, or 10 nautical miles per hour. We take a bearing of 060° degrees of the Charley radio tower at 0900 or 30° degrees from the bow. Now convert the compass bearings to true bearings and plot it on the chart.
We observe the Charley radio tower, and when the new bearing reads 030° degrees, or 60° degrees from the bow, we note the time, 0915. Now convert the compass bearings to true bearings and plot it on the chart.
Knowing the speed - 10 knots - and the elapsed time between the two bearings - 15 minutes -
we use the formula: D is equal to S times T divided by 60, to calculate the sailing distance between the two bearings. In our case that is 2.5 nautical miles per hour.
As we can see, the two bearings and the course form an isosceles triangle - ABC - where sides c and b are equal.
That means that the distance from the Charley radio tower, when we took the second bearing at 0915 was 2.5 nautical miles.
Using this method we have a bearing and a distance using only one object.

https://wn.com/26_Running_Fix_Doubling_The_Angle
- Order:
- Duration: 2:12
- Updated: 11 Apr 2014
- views: 15479

This is how we plot a Running Fix Position:
Assuming the course is 080° degrees and the speed is 8 knots, or 8 nautical miles per hour, we take a bearing of 045° degrees on Alfa rock at 0900, now convert the compass bearings to true bearings and we plot it on the chart.
After 30 minutes we take a new bearing on the same rock that reads 015°degrees, now convert the compass bearings to true bearings and plot it on the chart along with the new time - 0930.
Knowing the speed, the next step is to determine the distance that the vessel sailed from 0900 to 0930.
For that we use the formula: D is equal to S times T divided by 60, where D is the distance in nautical miles, S is the boat speed, and T is the time in minutes.
In our case: 8 knots times 30 minutes divided by 60 equals 4 nautical miles.
Using the dividers, we span a distance of 4 miles on the latitude scale which is closest to the course line, and which runs along the sides of the chart.
We applied this span on our course, placing one leg of the dividers on the 0900 LOP intercepting the course and the other leg on the course line.
Using the parallel ruler we transfer the 0900 LOP to the blue mark.
As we notice, the two LOPs intercept at the point RF.
This is our Running Fix position.

https://wn.com/25_Running_Fix_Plotting