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Aton Operations > aton Technical > Flashcards

aton Technical Flashcards

1
Q

what is Nominal Visual Range of Daymark?

A

The distance at which you can expect to see the buoy if the visibility is 10 nm.

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2
Q

What is the Minimum Mooring Depth?

A

Depth of water required to keep the buoy counterweight clear of the bottom.

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3
Q

what is Maximum Mooring Depth?

A

The maximum mooring depth for a given buoy
depends on the size of chain used. In areas with excessive wear rates, a larger diameter chainis recommended for use in the chafe section to extend the time between mooring inspections.

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4
Q

What is Buoy weight?
what is Flooded weight?
what is Buoy Draft?
What is the Freeboard?

A

Buoy Weight- This is the weight of the buoy in air.

Flooded Weight- This is the weight of the buoy in air with its hull and pockets flooded.

Buoy Draft- Buoy draft is the distance from the waterline of the buoy to its lowest underwater part, not including mooring.

Freeboard- Freeboard is the distance from the waterline to the top of the hull.

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5
Q

When do you Gas-Free Test a buoy? Be aware that combustible gases could be present in the buoy hull, what do you test with?

A

Before beginning any work on the buoy, the hull shall be tested for combustible gases using a combustible gas monitor or explosive meter.

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6
Q

what is a Buoy Hull Air Test?

A

The buoy hull shall hold 3 psi for 10 minutes. Any buoy hull failing the air test shall be repaired and re-tested. Air test procedures and apparatus are described below.

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7
Q

foam buoys?

A

Also, foam buoys are generally not suitable for rugged environments, and should never be used in ice conditions. Foam buoys are designed to remain on station for eight years with minimal maintenance required.

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8
Q

three parts of the chain?

A

Riser, chafe, and bottom

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9
Q

The 7X20LI is designed and constructed for use as ?

A

a seasonal aid in semi-exposed locations subject to ice conditions. It is designed with special lighting and battery equipment to survive entrapment under the ice. Note that the buoy has no radar reflector and has a very small visual profile.

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10
Q

The 7x17 and 5 x11 is designed and constructed for use as?

A

The 7X17LR is designed and constructed for semi-exposed locations. It is designed for use as a shallow water lighted buoy

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11
Q

What is the 1 canned radar reflector designed for? 1CR
6100 LBS
8FT 7IN DRAFT
1 1/4 1NR. The 1NR is designed and constructed for?
6000 LBS
8FT 4IN DRAFT
1 1/4 CHAIN

A

1CR the most exposed locations where unlighted lateral buoys are required.

1`NR the most exposed locations where unlighted lateral buoys are required.

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12
Q 
2CR. The 2CR is designed and constructed for ?
2800 LBS
6FT 3IN DRAFT
1 IN CHAIN
2NR. The 2NR is designed and constructed for?
2600 LBS
6FT 1 IN
1 IN CHAIN
A

2CR exposed locations where unlighted lateral buoys are required.

2NR exposed locations where unlighted lateral buoys are required.

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13
Q

3CR. The 3CR is designed and constructed ?
1200 LBS
4FT 4 IN
3/4 IN CHAIN

3NR. The 3NR is designed and constructed?
1175 LBS
4FT 4 IN
3/4 IN CHAIN

A

for semi-exposed locations where unlighted lateral buoys are required.

for semi-exposed locations where unlighted lateral buoys are required.

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14
Q 
3CI. The 3CI is designed and constructed ?
1550 LBS
7FT 7IN
3/4 IN CHAIN
3NI. The 3NI is designed and constructed for?
1550 LBS
7FT 7IN
3/4 CHAIN
A

for locations susceptible to ice where unlighted lateral buoys are required.

locations susceptible to ice where unlighted lateral buoys are required.

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15
Q

4CR. The 4CR is designed and constructed for ?
465 LBS
5FT DRAFT
1/2 IN CHAIN

4NR. The NFR is designed and constructed for?
470 lbs
5ft draft
1/2 in chain

A

use in rivers and other waterways where unlighted lateral buoys are required, designed to shed debris and have multiple mooring eyes to remain vertical in a variety of fast water situations. These buoys are filled with polyurethane foam.

“SAME”

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16
Q

5CR. The 5CR is designed and constructed for
710 lbs
5 ft 1 in
1/2 in chain
5NR. The 5NR is designed and constructed for
“SAME”

A

protected locations where unlighted lateral buoys are required.

‘SAME”

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17
Q

5CI/5NI. The 5CI/5NI is designed and constructed for
700LBS
5FT
1/2IN CHAIN

A

locations susceptible to ice
where unlighted lateral buoys are required. Note the buoy does not have a radar
reflector.

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18
Q

6CR/6NR. The 6CR/6NR is designed and constructed for ?
160LBS
3FT 10IN
1/2 IN CHAIN

A

use in rivers and other waterways where unlighted lateral buoys are required. The buoys are designed to shed debris and have multiple mooring eyes to remain vertical in a variety of fast water situations. These buoys are filled with polyurethane foam. Non-standard buoys are no longer in use.

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19
Q

6CT/6NT. The 6CT/6NT is designed and constructed for ?
165 LBS
4FT
1/2 IN CHAIN

A

use in the swiftest western
rivers where unlighted lateral buoys are required. This “tall type” buoy has no
radar reflector. The buoys are designed to shed debris and have multiple mooring
eyes to remain vertical in a variety of fast water situations. These buoys are filled
with polyurethane foam.

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20
Q

How many different type of Foam buoys are there?

A 
2NFR/2CR
3NFR/3CFR
4NFR/4CFR
5NFR/5CFR
6NFR/6CFR
FWNFR/FWCFR
21
Q

5CPR/5NPR. The 5CPR/5NPR is designed and constructed for?

A

use in protected locations where unlighted lateral buoys are required. A typical application would be as a temporary unlighted discrepancy buoy. This buoy is constructed of a hard shell plastic body filled with polyurethane foam.

22
Q

HOW MANY BUOYS ARE THERE AND CHAIN SIZE?

A 
Buoy Type Bridle Size
9X38LR.    1-1/2 x 26
9X35LWR  1-1/2 x 20
9X32LR.     1-1/2 x 18
9X20R.       1-1/4 x 15
8X26LR.      1-1/4 x 15
8X26LWR.    1-1/4 x 15
8X21LR.       1-1/4 x 15
7X20LI.       1-1/4 x 15
7X17LR.       1-1/4 x 15
6X20LR.      1 x 12
5X11LR.        1 x 12
3.5X8LR.     7/8 x 10
23
Q

DORMOR SINKERS RNG FROM WHAT LB TO LB?

A

15 LBS TO 4000 LBS

24
Q

WHAT DOES A CG MOORING BUOY LOOK LIKE?

A

WHITE BUOY AND BLUE STRIPE WITH BLK CG MARKINGS

25
Q

WARNING BUOYS ARE ?

A

WHITE WITH ORANGE MARKINGS

26
Q

What are the standard and operational parameters of a daymare? 1st letter is the shape

A 
S – square;
T – triangle;
J – preferred channel;
M – safe water;
N – no lateral significance;
K – range; and
C – crossing.
27
Q

2nd Letter represents?

A 
the Key color:
R – red;
G – green;
W – white; and
B – black.
28
Q

what does the 3rd letter represent?

A 
the color of stripe:
R – red;
G – green;
W – white; and
B – black.
29
Q

Additional information would be?

A

I – intracoastal waterway;
SY – yellow square on dayboard (dual purpose); and
TY – yellow triangle on dayboard (dual purpose).

30
Q

Day-boards shall be expected at least?

A

bi-annuallyThe dayboard surface and backing materials will deteriorate due to the effects of weathering—wind,
rain, freezing temperatures, and sunlight cause delamination (separation), cracking, peeling, and fading.

31
Q

Backing Material. Delamination of the plies on a plywood backing should not?

A

affect more than 25 percent of the surface area.

32
Q

All waterway non lateral marks are without what ?

A

Yellow strip indicating the ICW

33
Q

what are the markings for ICW port and stbd marks?

A 
SQUARE = YELLOW SQ ICW 
TRIANGEL= YELLOW TRI ICW
34
Q

There are three marking systems used in the U.S?

A

General Use; Intercoastal Waterway (ICW); and Western Rivers. All three are based on a Lateral System, wherein marks are used to define the edges of a channel.

35
Q

Down stream on a river what is dual purpose markings?

A 
GREEN IS TO LAND 
RED IS TO SEA
except down stream river the ICW markings are changed to 
GREEN SQ ON RED TRIANGLE
RED TRIANGE ON GREEN SQ
36
Q

What are the 10 flashing lighting characteristics?

A 
Fl 4, Fl 6 
Fl 2.5 
Fl (2+1)
Fl (2) 
Q, 
Mo(A) 
Fl (2) 6 
Fl 2.5 (1) 
Iso 2, Iso 6 
Occ 4 
Fixed
37
Q

what manual is used for lighting Criteria?

A

The Visual Signal Design Manual, COMDTINST M16510.2 (series) describes standard procedures to follow when selecting an optical system for a lighted aid to navigation.

38
Q

Equipment Inspection. All ATON lighting components should be inspected upon receipt. Electrical components, such as LED lanterns, flashers, lampchangers, and rotating
beacons should be bench tested for ?

A

24 hours prior to being placed in service.

39
Q

what are the two Carmanah types?

A

701-5 and 702-5 and 704-5

40
Q

What are the battery service life?

A

battery life is highly dependent on temperature. The
higher the temperature the shorter the expected battery life. Battery recharge intervals life range from 4 years in hot climates to 10 years in cold climates.

41
Q

Where do you find out how many batteries and solar panels an aid needs?

A

Solar sizing table and in solar design manual

42
Q

What is RBDT rated battery discharge time?

A

expected useful life of a battery in days based on the applied loads and environmental conditions.

43
Q

Ridges in or ridges out on an RL-14 spread lens?

A

out

44
Q

What are the only two characteristics used to mark a wreck?

A

quick flash, group flashing 2+1

45
Q

For very long channels, or in areas with poor visibility, the daytime light signals may have to be ?

A

white, even though the historic color for the nighttime light signals is red or green.

46
Q

what line number do you as the OIC sign for the APR?

A

Line 30 B

47
Q

If discrepancies exist, search other unit storage locations and/or the

A

unit records (such as, DD-1149 log book) for missing battery.

48
Q

The primary servicing unit coordinates with district to provide the following documentation if it is apparent an aid has been damaged due to vandalism or allison by a vessel:

A

♦ Pictures of the damaged aid.
♦ Jump sheets from personnel who serviced the aid.
♦ APR and FID.
♦ Copy of the unit log (cutter only).
♦ Completed computation of charges per reference (cc),
Reimbursable Standard Rates,

Aton Operations (7 decks)

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