Nav Standards

Question 0

CG Nav standards:

Category 2 positioning sources

Answer 0

1) Inertial navigation system

2) celestial

Question 1

CG Nav standards:

Category 1 positioning sources

Answer 1

1) GPS with DGPS corrections or WAAS-enabled
2) GPS Precise Positioning System
3) GPS standard positioning system
4) visual and/or radar

Question 2

CG Nav Standards

Does an electronic position on an electronic chart constitute a fix?

Answer 2

Yes

Question 3

CG Nav standards:

What constitutes a fix on a paper chart?

Answer 3

The intersection of lines of position from at least three prominent points of land fixed and/or celestial objects with a separation of 15° or greater.

Question 4

CG Nav standards:

How often shall you take fixes with paper charts?

Answer 4

No more than 30 minutes apart; at least every 15 minutes in restricted waters.

Question 5

CG Nav standards:

Define estimated position.

Answer 5

A dead reckoning position modified by additional information, which itself is insufficient to establish a fix.

Question 6

CG Nav standards:

What 4 methods can be used to verify fixes?

Answer 6

1) soundings
2) ATON
3) RADAR or other electronic means
4) seaman’s eye

Question 7

CG Nav standards:

Do small boats equipped with SINS have to plot fixes on paper charts?

Answer 7

No

Question 8

CG Nav standards:

When is SINA data considered up-to-date?

Answer 8

If it has been corrected within six months of permanent chart change.

Question 10

CG Nav standards:

What is Mode II navigation?

Answer 10

Operating ECINS as primary navigation entering VIS/RAD LOPs. This mode is largely used as backup or in the event primary positioning is lost.

Question 11

CG Nav standards:

What is Mode III navigation?

Answer 11

Traditional paper navigation using approved positioning source with VIS/RAD LOPs to verify.

Question 12

STA Nav standards:

What is the purpose of the Fathometer offset?

Answer 12

To compensate for the display available depth from the sensor location on the hull to the actual lowest point of the vessel

Question 13

Sta Nav standards:

What shall the Fathometer offset be set to on the RB-S?

Answer 13

0 ft

Question 14

Sta Nav standards:

What is the operational draft for the RB-S?

Answer 14

6’ Notify the OIC anytime the coxswain needs to break navigational draft.

Question 15

Sta Nav standards:

Define shoal water.

Answer 15

Water depth less than the navigational draft of each boat.

Question 16

Sta Nav standards:

Define restricted waters.

Answer 16

Waters within 1000 yards of hazards to navigation, shoal water or inward of any demarcation line. Our entire AOR is in restricted waters. Restricted waters require a fix every 3 minutes.

Question 17

Sta Nav standards

Define coastal waters

Answer 17

Waters seaward of restricted waters to 10 NM and require a fix every 15 minutes.

Question 18

Sta Nav standards:

Define open ocean.

Answer 18

Waters seaward of 10 NM and require a fix every 30 minutes.

Question 19

Sta Nav standards:

What’s the audible depth alarm set to?

Answer 19

6 ft

Question 20

Sta Nav standards:

What’s the cross track error alarm set to?

Answer 20

0.04 NM (80 yards)

Question 21

What are the 4 charts used at STA San Francisco?

Answer 21

18649
18650
18651
18653

Question 22

What are the bounds of the north AOR?

Answer 22

37-50.00N and northward to Point SaN Pedro.

Question 23

What are the bounds of the central AOR?

Answer 23

35-50.00N and south to 37-40.00N

Question 24

What are the bounds of the South Bay AOR?

Answer 24

Southward of 37-40.00N

Question 25

What are the caution/danger areas in the Sta SF AOR?

Answer 25

1) The area east of a line between NAS channel #2 to San Leandro Harbor #2; 2) All area east of the line between the west end of Richmond Harbor break wall to the west end of Berkeley pier to the center span of the new Bay Bridge; 3) Entire South Bay AOR; 4) Area around Marin Island and Loch Lomond.

Question 26

What radios and channels will be used for SAR/Normal operations?

Answer 26

Motorola XTL-5000: CG-124 encrypted | Standard Horizon GX5500S: dual watch on 13 and 16

Question 27

What radios and channels will be used during training?

Answer 27

Motorola XTL-5000: 23a encrypted or dual | Standard Horizon GX5500S: dual watch on 13 and 16

Question 28

What radio and channels should be used for PWCS?

Answer 28

Motorola XTL-5000: DLE05 | Standard Horizon GX5500S: dual watch on 13 and 16

Question 29

Sta Nav standards: When should command be notified after loss of communications?

Answer 29

Once the boats fails to check in on the primary or secondary frequency within 10 minutes of the communications schedule.

Question 30

Who should be notified if a boat loses communications?

Answer 30

The command cadre shall be bodies first, followed by the operational commander, then the cognizant district command center.

Question 31

Minimum crew requirements on the RB-S.

Answer 31

1 coxswain and 2 boat crewmen.

Question 32

Seat belt policy at Sta SF.

Answer 32

Seat belts shall be worn while embarked on the RB – S and RB – M at all times above clutch speed unless the coxswain deems that an exception should be made. At no time shall the RB-S be operated with more crew than seatbelts are available for unless the command duty officer grants authorization.

Question 33

Sta SF helmet policy.

Answer 33

Wear a helmet during: 1) During tactics training And/or actual PWCS operations 2) Any time speeds exceed 30 KTS 3) When operating in conditions that exceed the limitations of the RB-S or RB-M 4) during helo ops 5) transferring personnel to a larger vessel

Question 42

CG Nav standards: What is Mode I navigation?

Answer 42

Operating ECINS as primary navigation, verifying GOS/DGPS with radar overlay, chart matching, or VIS/RAD LOPs