"' Navionics "'is an Italian manufactures of electronic navigational charts, headquartered in Viareggio, Italy.
22.
Image manipulation tools such as GDAL can read the image information, but there also is georeferenced data in the navigational charts.
23.
Ideally these lines would be at right angles to the first, producing a 2D grid that could be printed on navigational charts.
24.
Problems found on unsafe ships included defective fire safety equipment, inadequate navigational charts, corrosion, unusable lifeboats and poor ventilation in engine rooms.
25.
The reef appears on navigational charts and is marked by a lighted beacon and a radar reflector on a buoy, said harbor master Sunny Hoo.
26.
Taking a fix is accomplished by making two such measurements with different pairs of stations, and then looking up both curves on a navigational chart.
27.
Some organized track systems are fixed and appear on navigational charts ( e . g ., the NOPAC tracks over the Northern Pacific Ocean ).
28.
A report issued in May 2008, stated that tracing paper ( used to protect navigational charts ) had obscured vital data during a training exercise.
29.
This light continues to serve as the front light of the Brewerton Channel Range, but it no longer is given a name in navigational charts.
30.
The other parties claim that the captain was negligent for ordering the final, right turn without checking navigational charts that showed the location of the reef.
