Assets/Resources
GMDSS
Search Patterns
MSAP
Ice Rescues
100

This Response Boat can tow up to 100 tons

45' RB-M

100

This is the internationally recognized method of sending a terrestrial digital distress alert

DSC

100

This pattern is used when there is a high degree of confidence the search object is close to the estimated datum position.  All course changes are 90 degrees to the right

Square Single Unit

100

The MSAP was enacted by Congress in this year

1982

100

These are used to travel from mainland to islands and across frozen streams.

Ice Bridges

200

The maximum seas for this CG surface asset are 30'

47' MLB

200

An area within the radiotelephone coverage of at least one VHF coast station in which continuous DSC alerting is available as defined by the International Maritime Organization.

Sea Area A-1
200

These patterns are best used when the datum is established within close limits, a very high coverage immediately around the datum is desired, and the area to be searched is not extensive.

Sector Search

200

This broadcast is offered to mariners during non-distress situations

MARB

200

This ice tends to indicate weaker ice.

Discolored or cloudy

300

The CG aircraft has the highest cruise speed along with the heaviest fuel capacity

C-130J

300

narrow-band direct-printing telegraphy for transmission of navigational and meteorological warnings and urgent information to ships on MF.  

NAVTEX

300

In a VS, all turns are this many degrees to this direction

120 to the right

300

Apprehension is usually associated with this emergency phase

Alert

300

Ice Thickness Minimums to Support a Person  

2 inches

400

This CG aircraft operates with only 2 pilots and 2 crewmembers

H-60

400

are received via phone and email at LANTAREA and PACAREA command centers from the Santa Paula, CA coast earth station

INMARSAT C

400

This is the distance between two adjacent search legs

Track spacing

400

This US Code dictates the licensing requirement for commercial operator's licenses

49 U.S.C. 8904

400

These are the primary SAR resources for Ice Rescues

Helicopters

500

This aircraft, whose name means house in Spanish, has a radius of action of 2,000 miles

HC-144

500

This is the amount of time given to acknowledge a DSC distress alert

2.75 minutes


500

This is the measurement of how well an area was searched

Coverage factor

500

A safe haven normally has reliable means of communication of this form

telephone

500

When water is cooled at the surface it begins to sink because it is heavier than the warm water that rises to replace it.  

Vertical circulation