how to pass the prolivka long here, of course, the ice conditions map, actual and forecast, helps, thefficult navigation areas are the straits of the long nin. the institute makes maps to maneuver among the ice using information from satellites, but there are situations in the arctic that when the ice situation changes rapidly in the visibility zone, the decision is made by the captain of the ship, and for further movement, the specialists of the institute make an urgent forecast. it can be ready within 2-3 hours by the card itself, which will be e provided judging by the driver. it looks like this, that is, it has special colors on it and even on these. uh, flowers driver. can orient where e more. uh, such a powerful ice that it is better not to enter at all. that is, let's say on this map. this is dark green except for ice. at the northern sea route. there is another important feature that requires great skill of navigators. these are shallow depths. the hydrographic enterprise will turn 90 next year, and it was also formed after the schmidt expedition. recently, the enterprise. it w