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'Flag Gaff' is a collection of tools

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Posted by SorinMStamate on 16/05/2017

Rhumb Line

rhumb line
rhumb-line

Rhumb Line

The Rhumb Line: A conventional line on the Earth’s surface that intersects all geographic meridians at the same angle. It has the shape of a spiral that approaches the poles without going through them. (mai mult…)

Posted by SorinMStamate on 11/04/2017

Nautical Charts. Types of Scales

Nautical Charts. Types of Scales
Nautical Charts. Types of Scales

Nautical Charts. Types of Scales.

The Nautical Charts showing the Earth’s surface or a portion thereof on a plan, in a certain proportion (scale) and with deformations subject to mathematical laws. (mai mult…)

Posted by SorinMStamate on 27/03/2017

Echo Sounder. The Correction of Depth

Echo Sounder. The correction of depth
Echo Sounder. The correction of depth

Echo Sounder. The correction of depth.

Echo Sounder: It is an electric device used to determine the water depths by measuring the time interval for sound waves to go to the sea bottom and back again. It is also called Depth Finder or Acoustic Depth Finder. (mai mult…)

Posted by SorinMStamate on 14/03/2017

Estimated Time of Arrival. ETA

ETA. Estimated Time of Arrival
ETA. Estimated Time of Arrival

Estimated Time of Arrival. ETA

ETA: Conventional abbreviation for ‘Estimated time of arrival’ or ‘Expected time of arrival’. The estimated time of arrival or ETA is a measure of when a vessel is expected to arrive at a certain place.  (mai mult…)

Posted by SorinMStamate on 05/03/2017

The relationship between Distance, Speed and Time

The relationship between distance, speed and time
The relationship between distance, speed and time

The relationship between distance, speed and time.

The relationship between distance, speed and time is based on the well-known formula:

Distance = Speed * Time (mai mult…)