Session VIII Discrepancy. To acquire a general knowledge of the responsibilities of the Auxiliary on how discrepancies and verification checks are performed. To become familiar with the three categories of AtoN discrepancies. To learn how to recognize a discrepancy on an aid to navigation .
To become familiar with the three categories of AtoN discrepancies.
To learn how to recognize a discrepancy on an aid to navigation.Presentation Objectives
b. Light signal showing improper characteristics or rhythm.
c. Light signal obscured or extinguished.
d. Sinking or submerged buoy.
e. Buoy off station, adrift, missing, capsized or stranded.
f. Vandalism of aids.
g. Aids damaged by vessel collision.
h. Collapsed bridge structures.
i. RAdar beaCON not operating.
j. Lantern damagedCritical Discrepancies
b. Sound signal failure.
Bell, Gong, Horn, etc.
c. Light burning dim or showing reduced intensity.
d. Lights partly or totally obscured by dayboards.
e. Bridge light outages.
f. Inoperative draw on swing, lift or retractable bridges.Urgent Discrepancies
b. Faded daymarks, whether located on aids in the water or on the shore.
c. Extensive bird fowling on aid.
d. Delaminating of Dayboards.
e. Dayboard missing.
f. Improper dayboards per Light List.
g. Extensive deterioration or rotting of supports.
h. Leaning structure—more than 15 degrees.
And there’s more. . .Routine Discrepancies
j. Bird nest on aid that is obstructing light or panels
k. Retroreflective material is peeling, missing or inadequate.
l. Numbers are obliterated or not easily read or identified.
m.Peeling paint interfering with the ability to see the aid or recognize its proper color.
n. Whistle, tapper, or bell missing.Routine Discrepancies
freezing temperatures, and
Material should not be sufficiently warpedto visibly detract from the signal.
Mounting points should not be softened or deteriorated to the degree that the board may come loose during a storm.Backing Material
Material shouldnotbecracked, checkedor abraded so as to provide a dull or roughened top surface.
Material attached shouldnot havepeeled over more than10%of the surface area.Films, Numbers, Letters, & Borders