ATON

1
ATON

• BM1 BAGLEY
• BM1 KANE
• (THE MAN)

2
REFERENCES

• ATON POSITIONING MANUAL
• ATON ADMIN MANUAL
• ATON TECH MANUAL
• ATON SEAMANSHIP MANUAL
• ATON STRUCTURES MANUAL
• SOLAR DESIGN MANUAL

3
POSITIONINGMANUAL

• What is covered?
• What is a APR?
• Positioning Equipment? Problems?
• Positioning terms?
• Excursion methods?

4
What is Covered?

• Positioning Instruments and Guidelines
• Theory of Positioning
• Accuracy Classification for Floating Aids to
  Navigation
• Positioning Methods for Fixed Aids to Navigation
• Position Check Evaluations
• Aid Positioning Record

5
TERMS

• Accuracy Classification (AC)
• Aid Positioning Record (APR)
• Watch Circle Radius (WCR)
• Assigned Positioning (AP)
• Horizontal Dilution of Precision (HDOP)
• Most Probable Position (MPP)

6
Aid Positioning Record

• Must be done every time a Floating Aid is
  visited, or a Fixed Aid is established, rebuilt,
  or moved
• Must be submitted to district within 10 working
  days or upon return to port
• Original stays at unit in Aid File
• Original can be destroyed 3 years after Aid is
  disestablished

7

• CO/OINC must review and sign APR
• Purpose of CO/OINC signature is to verify
• (a) APR complete.
• (b) Aid on station.
• (c) Aid adequately marks hazard/channel.
• (d) Light List/ATONIS/Chart have been verified.

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APR REMARKS SECTION

• Aid On or Off Station when found.
• Light List verification.
• ATONIS verification.
• Chart verification.
• Reason for ATON visit.
• Departures from normal procedures (if any).
• Inclined Angle Corrections (if applicable).
• If excursion was used, the method used to
  determine excursion must be listed.
• Any other information that may be required by the
  district office.

9
Positioning Equipment

• DGPS Primary
• NMEA Strings GGA,GSA,GSR,GST
• HDOP-zero bad, no max
• Not updating for 3 min bad
• GPS - NMEA String GGA
• HDOP-zero bad, more than 20 bad
• CO / OINC call if Aid is ON/OFF Station
• where there has been an onboard equipment,
  (hardware) configuration change, the verification
  procedure in enclosure (7) must be performed
  prior to using the DGPS equipment for positioning

10
EXCURSION METHODS

• L METHOD
• CHAIN LENGTH WATER DEPTH
• 3
• HYPOTENUSE METHOD
• CHAIN LENGTH X 2 WATER DEPTH X 2
• SQUARED

11
ATON ADMIN

• What is covered?
• Marking of wrecks and obstructions?
• CO/OINC responsibilities?
• ATON SERVICING FLOWCHART (SIF)

12
What is Covered?

• Training
• Correction of Discrepancies
• Duties Operations of ATON Units
• Lighthouses
• External Relations
• Navigation Info
• Non USCG maintained Aids
• Establishment, Review, and Modification of ATON
• Management Admin of Short Range ATON

13
Marking of Wrecks and Obstructions

• Inform owner of responsibility to mark (Federal
  Law)
• Owner pays expense to mark (keep at a min)
• Must be reported to District Commander
  immediately followed by a Hazard to Navigation
  Message
• The name, description, and accurate location of
  the wreck.
• The name and address of the owner or his agent.
• Depth of water over the wreck.
• The action or intent of the owner to mark
• the wreck, and when such action will be taken.
• The type, description, and location of the
  marking, if any.
• An opinion as to whether or not immediate marking
  of the
• wreck by the Coast Guard is necessary for the
  protection of
• navigation.

14
Marking of Wrecks and Obstructions (cont)

• CG may or may not mark
• Use appropriate marking
• If longer than 30 days, must make permanent

15
CO/OINC RESPONABILTIES

• Contacting owner of wreck or obstruction
• Discrepancy Response Factor (DRF)
  must sign
• ATONIS
• Ensure a Federal Aid Information Document is
  updated
• Ensure Battery Tracking is used from cradle to
  grave

16
SERVICING INTERVAL FLOWCHART(SIF)

• Enclosure (7)
• CO/OINC MUST SIGN
• Flowcharts for..
• Mooring
• Day board
• Optic
• Battery

17
ATON TECH MANUAL

• What is covered?
• Testing requirements?
• Abbreviations/Symbols of ATON?

18
What is covered?

• Buoys and Moorings
• Buoy Markings
• Structures
• Day boards
• Light Signals
• Sound Signals
• Power Systems
• Monitor and Control Equipment

19
Testing Requirements?

• External Buoy pockets not required to Air Test
• Air Test buoy hulls after repair 3 PSI for 10
  min,
• Air Test internal Battery pockets after opening
  1-2 PSI for 5 min. testing for leaks, clogs in
  vent, or cracks
• Gas Free Buoys before welding
• Test Solar panels, Batteries, and Lanterns in
  accordance with this manual

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Abbreviations/Symbols

• Buoy Sizes
• Day boards
• Range Boards
• Light Characteristics

21
Buoy AbbreviationsNuns / Cans

• 1ST CLASS LARGEST, 6TH CLASS SMALLEST
• C CAN F FAST WATER
• N NUN P - PLASTIC
• T TALL TYPE A ALUMINUM
• S SPECIAL M - MOORING
• R RADAR REF F FOAM (2ND POS)

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Examples

• 1N First class Nun
• 2CR Second class Can Radar Ref
• 6FC Sixth class Fast Water Can
• 3NPR Third class Nun Plastic Radar Ref
• BONUS
• 2 C 31 105
• Second class Can built in 1931 105 built
• 1 NS 72 188
• First class Nun Special built in 1972 188
  built
• 4th,5th,6th class nun cans no ser, short
  life span

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Buoys Lighted / UnlightedABBREVIATIONS

• L Lighted R Radar Ref
• B Bell E Electric Bell
• G Gong H Electric Horn
• W Whistle I Ice

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Examples

• 9x32 LWR Nine Ft diameter by Thirty Two Ft long,
  lighted, whistle, radar ref
• 7x17 LB Seven ft diameter by seventeen ft long,
  lighted, bell
• 6x20 LI Six ft diameter by twenty ft long,
  lighted, ice
• BONUS
• 6-79-56
• Six ft diameter built in 1979, 56th built
• 9-33-76
• Nine ft diameter built in 1933, 76th built

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DAY BOARD ABBREVATIONS

• FIRST LETTER.
• S SQUARE T TRIANGLE
• J PREF CH M SAFE WATER
• N NO LATERAL K RANGE
• C CROSSING
• SECOND LETTERS..
• R RED G GREEN
• W WHITE B BLACK

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DAYBOARDS CONT.

• THIRD LETTER (RANGE BOARDS ONLY)
• R RED G GREEN
• W WHITE B BLACK
• ADDITIONAL INFO BY LETTERS AFTER A DASH
• I INTERCOASTAL WATERWAY
• SY YELLOW SQUARE (DUAL PURPOSE)
• TY YELLOW TRIANGLE (DUAL PURPOSE)

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EXAMPLES

• 6KRW Six ft wide red range, white stripe in
  middle
• 4JR-SY Four ft wide preferred CH, red, yellow
  square
• 4SG Four ft square green
• 6TR Six ft triangle green
• 3MB Three ft safe water, black

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ATON SEAMANSHIP

• What is covered?
• Platforms/limitations at ANT Teams?

29
What is covered?

• ATON Rigging practices and safety
• Tools
• Quals for Booms, Winches, Cranes
• Ship handling / Boat handling
• ICE OPS
• Cargo handling/Stability
• ATON Inland Rivers, Ashore, Coastal waters
• ATON Construction Tenders
• Lighthouse Restoration

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Platforms ANT Teams

• TANB- Trailerable Aids to Navigation Boat Not for
  offshore, 4ft or less seas, Davit capable of
  300lbs, 2,500lbs crew cargo
• 55 ANB AB,C- Different Cranes
• AB,C 5-6 ft seas, Floating ATON 3 ft seas
• A-2,000lb
• B-3,000lb
• C-3,300lb
• No max at stern notch, able to back into a buoy,
  Cargo 4,000lb
• 49 BUSL- Floating ATON 3 ft seas, 10 knots full
  load cargo, 6 ft seas,
• 4,500lb Crane

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LIGHT LIST

• Number of Aid
• Name and locations
• Position ( LAT LONG)
• Characteristic
• Height
• Range
• Structure
• Remarks

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Solar Design Manual

• What is Covered?
• Solar Panels?
• Solar Sizing sheet?

33
What is covered?

• Major / Minor Aid equipment
• Solar Sizing Tables by Area
• Solar Calculation sheets
• Power systems
• Internal workings of Lights, Signals
• Battery Acquisition

34
Solar Panels

• 10, 20, 35 watt sizes
• Floating Aids mounted on top facing up
• Fixed Aids mounted pointing South
• Continental USA- 60 deg angle
• Hawaii- 30 deg angle
• Alaska- 75 deg angle

35
Solar Sizing

• Chapter 8
• Take flasher type and lamp size
• Come up with of Batteries and Solar Panel
  size

36
ATON STRUCTURES

• What is covered?
• Servicing / Survey requirements?

37
What is Covered?

• Structure Design
• Climbing Safety
• Inspection

38
Structure Design

• Major ATON Structures- CEUs are tasked with the
  design. This design work might be carried out by
  CEU staff, or contracted out.
• Minor ATON Structures- Normally little design
  work required. Structures built by Coast Guard
  construction tenders (WLICs). The engineering
  design of specific minor ATON structures, when
  required, is a CEU responsibility.

39
Structures Cont.

• Appendix B- Data Sheets

40
Inspection

• Chapter 3 Appendix A- GUIDELINES FOR FIELD UNIT
  MAINTENANCE INSPECTION
• Two levels-
• Scheduled CEU, all Major ATON, once every 5
  years
• Field Unit Maintenance- USCG, done on every
  visit
• If unable to fix SSMR and CASREP

41
Climbing Safety

• Must train under CEU-sponsored climber safety
  training, or a train the trainer
• Must have written Certification
• Buddy system
• Structure 20 ft and higher
• 150 Ft or less Safety Observer
• PPE

42
Army Core of Engineers

• Memo of Agreement with
• Wrecks, obstructions, Survey channels