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BASIC COXSWAIN > COXSWAIN OTH MK IV > Flashcards

COXSWAIN OTH MK IV Flashcards

1
Q

Manufacturer: USCG OTH Mark IV

A

SAFE BOATS International

Secured All-round Floatation Equipped

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2
Q

Maximum Person Capacities per Placard

A

13 Persons or 2860 LBS

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3
Q

HP of Engine per Console Placard

A

600 HP

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4
Q

Length Overall (bucket up) (Specs)

A

25’ 5-1/8”

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5
Q

Length Overall (bucket down) (Specs)

A

25’ 9”

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6
Q

Length at the Waterline (Specs)

A

20’ 9-3/16”

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7
Q

Beam (Specs)

A

8’-6”

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8
Q

Operational Draft (Specs)

A

28 Inches

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9
Q

Weight of Boat (Specs)

A

7,400 LBS

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10
Q

Fuel Capacity Operating (Specs)

A

100 Gallons (operational)

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11
Q

Height Mast Raised (Specs)

A

8’-10”

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12
Q

Diesel Fuel Types (Specs)

A

1D & 2D, JetA, A-1, JP5/JP8

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13
Q

Crew Capacity (Specs)

A

5

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14
Q

Passenger Capacity (Specs)

A

8 (220lbs ea)

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15
Q

Maximum allowable weight with Cargo (Specs)

A

3,119 LBS

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16
Q

Engine per Boat Operators Handbook (Specs)

A

Cummins QSB 6.7 480HP Inboard Diesel

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17
Q

Waterjet (Specs)

A

Hamilton HJ292 waterjet

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18
Q

Fuel Tank Capacity Total (Specs)

A

114 Gallons, Twin 57 Gal tanks.

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19
Q

Maximum Speed (Specs)

A

40 Kts

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20
Q

Cruise Speed (Specs)

A

25 Kts

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21
Q

Cruise RPM (Specs)

A

2600 RPM

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22
Q

Max Draft (Specs)

A

28” (static)

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23
Q

Max Winds (Specs)

A

30 Kts

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24
Q

Max Wave Height (Specs)

A

11 FT

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25
Q

Max Air temp to operate (Specs)

A

105°F

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26
Q

Max Sea temp to operate (Specs)

A

95°F

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27
Q

Towing Capacity (Specs)

A

3,000 lbs (urgent sar only)

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28
Q

Spacing of transverse frames?

A

24” at 0.19” thickness.

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29
Q

Hull Material?

A

5086 H116 Aluminum plated.

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30
Q

Hull design?

A

Deep-V Monohull.

Single Planning Chine, with 3 Performance Strakes port and starboard.

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31
Q

How many watertight compartment?

A

2, separated by bulkhead/frame #14

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32
Q

Does the MKIV have a beaching plate?

A

Yes, 1/4” Thick, 6” Wide.

Welded from frame 14-21-1/2, including transom

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33
Q

Are there floatation bags installed for capsizing/filled with water?

A

Yes, Closed Cell Polyethylene Foam bags installed in multiple locations to provide sufficient displacement. When vessel is filled with water.

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34
Q

What’s the range the OTH MKIV can go with 100 gallons of operable fuel?

A

227NM at cruise speed.

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35
Q

How many cleats is the MKIV equipped with?

A

2 (10” aluminum cast)

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36
Q

Where is the Raymarine Compass Heading Sensor located?

A

forward of the sea strainers, in the sea strainer deck hatch, starboard centerline.

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37
Q

What is the Cold-Cranking Amps of the Vessel’s Batteries?

A

Cold Crank-750

Cranking-1000

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38
Q

What side is the FireBoy Suppression System Mounted

A

Starboard Side, aft battery bay

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39
Q

Where is the seawater (raw-water) inlet valve to supply water to the strainers and engine located, and what color is the handle?

A

in the console deck hatch, below the coxswain seat. handle is blue.

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40
Q

What is in the Waterjet Access Hatch?

A

waterjet, steering actuator, reversing actuator, waterjet hydraulic pump, aft bilge pump, fuel tank cross connect valve, impeller inspection hatch cover.

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41
Q

Where are the fuel/water separators located?

A

Port, aft transom compartment

42
Q

What is in the Starboard Aft Transom Compartment?

A

Isolation Transformer (bluebox), HF antenna coupler, galvanic isolator (whitebox), and addition weather tight storage.

43
Q

How many sling attachment points are on the OTH MKIV

A

4 (two fwd/two aft)

44
Q

How many dual-point davits are on the OTH MKIV

A

2 (fwd/aft)

45
Q

What is the name of the structure/fitting that the stern launch recovery strap catches on?

A

Bow Horn

46
Q

What is located on the transom of the OTH MKIV

A

Bilge Pump Discharge, Exhaust Seawater Discharge, 2 Deck Aft Drain Discharges.

47
Q

How large is the seawater intake on the hull

A

2” round, 13” from centerline (aft frame 8)

48
Q

Port-side Battery Bank Powers what?

A

House

49
Q

Stbd-side Battery Bank Powers what?

A

Engine

50
Q

How many battery switches are there?

A

3 // house, interconnect, and engine

51
Q

What side is the DC breaker panel?

A

Starboard

52
Q

What type of strainers does the MKIV have?

A

Duplex

53
Q

What type of shock mitigating seats does the MKIV have?

A

Shockwave Jockey S3, with FOX shock

54
Q

Where is the AIS unit located?

A

inside the Console Hatch

55
Q

What how many modes can the AIS transmit

A

3

secured, unsecured, transmit only

56
Q

What function button do you click on AIS to select secured/unsecured tx

A

FUNC+6 then select side arrow.

57
Q

How often are AIS code/keysets entered

A

1st Day of the month.

58
Q

How many primary CG Zones does the VHF Motorola provide.

A

2 CG zones (CG1/CG2)

59
Q

If your underway and the incorrect keyset is selected, What soft key allows you to select the appropriate month.

A

hold (SEC) about 3 seconds then select 1 of 2 loaded keysets. Do not request to key or OTAR.

60
Q

How often are radio codes entered?

A

first Monday of every month.

61
Q

What is OTH MKIV Callsign

A

“Billy”

62
Q

What is WPC callsign

A

“Shark”

63
Q

Maximum Seas allowable to launch OTH

A

8’ Seas

64
Q

Maximum allowable seas to operate an asset with a basic coxswain letter.

A

10FT seas.

65
Q

What does the “Black-Out” Switch de-energize?

A 
Navigation Lights
Deck Lights
Flood Lights
Instrument Lights
Law Enforcement Strobe
Horn/portable search light charger
66
Q

How thick is the windscreen shielding on the console?

A

1/4” acrylic

67
Q

How many Bilge Pumps are installed?

A

3

68
Q

What does the green indicator light on the bilge panel represent?

A

bilge pump is active/energized.

69
Q

What does the red indicator light on the bilge panel represent?

A

bilge pump senses high water

70
Q

Rates of suction for MKIV Bilge Pumps

A

2000 GPH, Forward Bilge
2000 GPH, Midship Bilge
500 GPH, Aft Bilge

71
Q

Specs of Hand Bilge Pump “thirsty mate”

A

Manual, 18” Length, 5 Gallons per Minute (ten strokes a gallon)

72
Q

Describe Fireboy Suppression System

A

Fireboy-Xintex Automatic Fire Exting. System. Holds 7.6 pounds of heptafluoropropane in the cyclinder.

73
Q

What temperature is the Fireboy activated?

A

175°F at temperature sensor located underside of console structure.

74
Q

Upon activation of Fireboy, what happens?

A

Pressure drop on cylinder activates the engine shutdown system and cuts fuel to the diesel engine.

75
Q

How do you restart the engine post Fireboy employment

A

Switching the toggle or override bottom (depending on switch model) on fireboy control to “override control”

76
Q

Aside from temperature, how can the Fireboy be activated?

A

manually pulling the pin and then the manual red handle by the coxswain chair on the port side of helm console.

77
Q

How large is the fire inspection port and where is it located?

A

2.7” diameter

located on the starboard side where the console meets the benchseat access hatch.

78
Q

How many fire extinguishers are located on the OTH MKIV?

A

TWO, Monoammonium Phosphate Dry Chems
(Anchor Locker/hatch & centerline aft seating)
Each has 2.75 lbs of extinguishing agent.

79
Q

How long is the Boat Hook?

A

3’-1/2” collapsed, 8 FT extended reach.

80
Q

How large is the life ring?

A

24” with marker light.

81
Q

Anchor Specs

A

Fortress FX7 4LBS

6FT Anchor Rode/Chain(1/4”) and a 150FT of Line (5/8”_

82
Q

Driveshaft Material

A

Carbon Composite

83
Q

What direction does the engine turn the shaft?

A

counter clockwise (facing flywheel)

84
Q

Minimum Temperature of Jacket Water

A

90°F

85
Q

Gallon Consumption Rate at Max RPM/Speed

A

25.4 GAL per hour, 3300RPM

86
Q

How long are you allowed to operate full power?

A

rated/limited to one hour, every eight hours of operation.

87
Q

Gallon Consumption Rate at “Endurance Rpm”

A

10.4 GAL per hour, 2550RPM (cruise)

88
Q

Minimum Low Idle Speed (RPM)

A

600RPM +/- 10

89
Q

Engine Lube Oil Capacity (Quarts)

A

17.6 Quarts (16.7 Liters)

SAE 15W-40 Oil

90
Q

Minimum Lube Oil Pressure (PSI)

A

7 PSI

91
Q

Minimal Lube Oil Pressure at Max Speed (PSI)

A

40 PSI

92
Q

Maximum Lube Oil Temperature

A

275°F

93
Q

Lube Oil Filter Holds how many Quarts of Oil

A

1 Quart

94
Q

Describe how the engine cooling system works on the OTH MKIV

A

seawater enters through fitting (2”) -> Sea Strainers -> Fuel Oil Cooler -> Engine, cools jacket water -> reduction gear oil -> fuel return to tanks -> ending with exhaust discharge.

95
Q

Maximum Sea Water (raw water) pump pressure

A

20 PSI, gauge located on port side console.

96
Q

Sea Water (Raw Water) cooling capacity/amount in the system when running

A

7 gallons

97
Q

Range of Jacket Water Temps (including max)

A

regulated 160-180 degrees (max 205°F)

98
Q

How long is the OTH MKIV designed to run the engine idle while out of the water.

A

30 minutes (per operators handbook section 3-9) including a 3/4” garden hose fitting.

99
Q

How many modes can the Transmission (ZF280) engage?

A

3 modes.

Neutral, Engine Rotation, Counter Engine Rotation

100
Q

Transmission Specs

A

Ratio 1:300
Oil type: SAE30, 1.3 Gallons
Clutch Pressure: 23 PSI

BASIC COXSWAIN (2 decks)

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