Refer to the Data Acquisition and Processing Report (DAPR) for a complete description of data acquisition and processing systems, survey vessels, quality control procedures and data processing methods. Additional information to supplement sounding and survey data, and any deviations from the DAPR are discussed in the following sections.7125MBESRESON19plusConductivity, Temperature, and Depth SensorSeabirdSVP71Sound Speed SystemRESONPOS/MV V4Positioning and Attitude SystemApplanix28058.641.1228068.641.1228078.641.1228088.641.12Data acquisition and processing notes are included in the acquisition and processing logs, and additional processing such as final tide and sound velocity application is noted in the H12681 Data Log spreadsheet. All data logs are submitted digitally in the Separates I folder.Data LogsDesignation of soundings followed procedures as outlined in section 5.2.1.2 of the HSSD. Survey H12681 contained 124 soundings which were designated in CARIS HIPS and SIPS. These designated soundings were used to draw the CUBE surface to the sounding which most accurately represented the sea floor in cases where the surface deviated from the sounding more than the vertical IHO requirements allowed.Critical SoundingsHIPS/SIPSCARISSee DAPRNOAA Profile V_5_3_2HIPS/SIPSCARISSee DAPRDue to an error in CARIS HIPS version 8.1.8 that causes TPU to be computed incorrectly, HIPS was reverted to 8.1.7 for Survey H12681. TPU and all surfaces were re-computed and the IHO uncertainty statistics was re-evaluated.The NOAA CUBE parameters mandated in HSSD were used for the creation of all CUBE BASE surfaces in Survey H12681. The surfaces have been reviewed where noisy data, or "fliers" are incorporated into the gridded solution causing the surface to be shoaler or deeper than the true sea floor. Where these spurious soundings cause the gridded surface to be shoaler or deeper than the reliably measured seabed by greater than the maximum allowable TVU at that depth, the noisy data have been rejected and the surface recomputed. An additional one half meter resolution surface was created in its own separate filed sheet to cover areas where the one meter resolution surface did not adequately represent the sea floor. A separate field sheet was used in order to limit the surface to only cover the areas where the one half meter resolution surface was appropriate. This reduced the amount of time required to recompute the surface.CUBEH12681_MB_50cm_MLLW0.5Complete MBESNOAA_0.5mCUBEH12681_MB_1m_MLLW1Complete MBESNOAA_1mCUBEH12681_MB_2m_MLLW2Complete MBESNOAA_2mCUBEH12681_MB_4m_MLLW4Complete MBESNOAA_4mCUBEH12681_MB_8m_MLLW8Complete MBESNOAA_8mCUBEH12681_MB_50cm_MLLW_Final0.5Complete MBESNOAA_0.5m120CUBEH12681_MB_1m_MLLW_Final1Complete MBESNOAA_1m200CUBEH12681_MB_2m_MLLW_Final2Complete MBESNOAA_2m4018CUBEH12681_MB_4m_MLLW_Final4Complete MBESNOAA_4m8036CUBEH12681_MB_8m_MLLW_Final8Complete MBESNOAA_8m16072CUBEH12681_MB_8m_MLLW_combine8Complete MBESNOAA_8mH12681 half meter field sheet extentsSupportFiles\half_meter_extents.jpgA series of reference surfaces were conducted in the Puget Sound, in the vicinity of Shilshole Bay following completion of this project. These reference surfaces were conducted to confirm all FA hydrographic survey launches, with both the 200kHz and 400kHz transducers, both produced consistent sounding depths and did not developed any systematic errors. This test was done explicitly to help validate the accuracy of data collected on this project, which has reduced or no crosslines. The comparison of all eight reference surfaces (two from each launch) were within +/- .08m or better at the 95% confidence level demonstrating no noticeable change from the results seen during HSRR.Launch comparison following completion of the project.2014-09-13Reference SurfaceAll data reduction procedures conform to those detailed in the DAPR.Raw Backscatter was logged as a 7k file and submitted directly to NGDC to be archived and to PHB where the data will be processed. One line per vessel per day was processed by the field.Complete coverage, per coverage requirements described in the project instructions, was obtained within the limits of H12681. The least depths of all navigationally significant features are represented by H12681, however some holidays do exist and examples are described below. Holidays were left on the back sides of some rocks where it was not safe to survey to the extents of complete coverage. Examples of this are located at 56:43:26.47N, 154:04:24.87W, as well as 56:44:35.26N, 154:08:54.22W. Both of these examples are shown in figure 22 and figure 23 below. The holidays located towards the north sheet limit, 56:44:33.89N, 154:11:11.61W, the least depth is represented. This area was surveyed during foul weather. A representation of the holidays located in the three annexed sections of sheet H12681 are shown below. These areas were added to the sheet after the project area was departed, leaving no opportunity for holiday clean up. These are located at 56:39:48.97N, 154:03:09.95W. A holiday attributed to roll was found in the south east extension of the H12681 sheet limits. This resulted in a holiday and is located at 56:40:26.55N, 154:04:54.95W Holidays are present in the 0.5m surface where overlap was not present enough to meet the sounding density needs of the higher resolution surface. The decision to use the higher resolution surface was made after the project area was left, leaving no opportunity for holiday clean up.Rock shadow holiday north east of Aiaktalik CoveSupportFiles\Rock Holiday1_B.jpgRock shadow holiday south east of Cape TrinitySupportFiles\Rock Holiday2.jpgH12681 north sheet limit holidaysSupportFiles\Holiday1_2.jpgH12681 Geese Channel HolidaySupportFiles\H12681_Holiday_Geese_Channel.jpgH12681 sheet limit extension holidaysSupportFiles\Holiday7_10.jpgH12681 Roll HolidaySupportFiles\Roll artifact.jpgHoliday AssessmentIt was found that at least 99.96% of nodes meet or exceed IHO order 1 specifications as stated in the NOS Hydrographic Surveys Specifications and Deliverables dated April 2014 (HSSD) for all depths of survey H12681. A rocky area West of Cape Trinity has low IHO values and is shown in the image below. See Standards Compliance Review in Appendix II. To assess vertical uncertainty, a child layer "IHO1" was created for each of the 1-meter, 2-meter, 4-meter, and 8-meter finalized surfaces using the equation as stated in section C. 2.1 of the DAPR.H12681 IHO Uncertainty LayerSupportFiles\IHO.jpgH12681 Low IHO values in rocky area West of Cape TrinitySupportFiles\IHO cape trinity.jpgIHO UncertaintyDensity requirements for H12681 were achieved with at least 99.92% of finalized surface nodes containing five or more soundings, see Standards and Compliance Review in Appendix II.DensityThe hydrographer has used incorrect tidal uncertainty correctors during processing. Measured tidal uncertainty values should have been 0.0m instead of 0.01m, and tidal zoning uncertainty should have been 0.075m, instead of 0.08m. Using the values reported in Table 6 added a negligible and insignificant difference to the final gridded uncertainty values. The uncertainty analysis run during review shows complete compliance with NOAA uncertainty standards and all gridded depths should be considered adequate to supersede charted soundings.0.010.0828050.5228060.5228070.5228080.52There were no conditions or deficiencies that affected equipment operational effectiveness.None ExistSound speed measurements were conducted as discussed in the Data Acquisition section of the DAPR. The only exception to this occurred on DN 153 when Launch 2806's CTD line parted and the CTD was lost. Launch 2806 worked polygons in vicinity to Launch 2807 and casts were shared for the day.All equipment and survey methods were used as detailed in the DAPR.Surface differencing in CARIS Hips was used to assess crossline agreement with main scheme lines. Figure 6 depicts an 8-meter surface made with main scheme lines only and an 8-meter surface made with crosslines only. This difference surface is submitted digitally in the Separates II folder. The two surfaces agree within plus or minus 0.5 meters, therefore crosslines agree with main scheme lines within the total allowable vertical and horizontal uncertainty in their common areas. The only areas of apparent disagreement occur in areas where the topography consists of a combination of steep declines and rocky surfaces. These areas are shown in Figure 8. Crosslines were not able to be run in the annexed H12682 areas due to the unexpected early departure of the project area. To mitigate the lack of crosslines, reference surfaces were conducted to verify launch to launch cohesion. Section 3.2, Calibrations, further discussed these reference surfaces.H12681 Mainscheme Crossline OverviewSupportFiles\XL_MS_overview.jpgGraphical representation between crossline and mainscheme surfaces.SupportFiles\Xline.jpgH12681 Mainscheme Crossline DisagreementSupportFiles\XL_speckle areas.jpgStatistical information for differences between crossline to mainscheme.SupportFiles\H12681_Xline_report.pngDuring the cleaning and review process of sheet H12681, multiple areas have been found where large amounts of kelp and vegetation are present. After examining several of these areas in CARIS HIPS and SIPS Subset Editor, large amounts of soundings have been found that resemble rocks. Soundings in the areas that did not accurately represent the sea floor due to kelp were removed and the area has been marked as foul with kelp. These areas were mostly located in the vicinity of Aiaktalik Cove, and in the small passage between Sundstrom Island and the South Coast of Aiaktalik Island. A surface with 0.5 meter resolution was created to be used for the depth range 0 to 12 meters in order to more accurately represent the sea floor. Soundings that appeared to be rocks were still designated even if what appeared to be vegetation grabbed the sea floor to a shoaler depth. Vegetation in the water column caused the gridded surface to deviate from most-likely, least depth soundings and any such soundings were removed prior to finalizing surfaces. Submitted surface depths are adequate to supersede charted soundings.H12681 VegetationSupportFiles\Kelp.jpgH12681 rejected vegetatation that grabbed BASE surfaceSupportFiles\veggie grabbing.jpgH12681 vegetation that could possibly contain hidden rocksSupportFiles\furry data.jpgVegetationSeveral days of acquisition occurred in foul weather which resulted in various surface sound speed artifacts. These artifacts were discovered during the review of H12681 in CARIS HIPS and SIPS Subset Editor and an example is shown in figure 24.H12681 Surface Sound Speed ArtifactSupportFiles\Bad Weather sound speed.jpgSurface Sound SpeedAn area towards the south west corner of the sheet limit was found to contain sound speed artifacts. The MBES data were reviewed in CARIS HIPS and SIPS Subset Editor with the appropriate base surface. The base surface accurately depicts the sea floor.H12681 Sound Speed ArtifactSupportFiles\sounds speedB.jpgSound SpeedDuring the survey of sheet H12681 data collection during different days happened in adjacent areas. After reviewing the data that overlapped in these areas in CARIS HIPS and SIPS Subset Editor, a vertical offset was observed. Tidal data in the area seemed to be less accurate, as the vertical offset appeared to be reduced after viewing the effected area in CARIS HIPS and SIPS Subset Editor using the feature that allows the vertical datum to be switched between the GPS tides and traditional tidal zone file. On the South Coast of Aiaktalik Island another area containing a vertical offset was observed. After applying GPS tides, the offset became more pronounced. The data that was collected meets all NOAA specifications and the hydrographer recommends survey data supersede charted soundings and contours.H12681 Vertical offset datum comparisonSupportFiles\vertical offset.jpgH12681 Vertical offset South Coast of Aiaktalik IslandSupportFiles\offset_SE.jpgVertical OffsetThe areas of overlap between the sheets were reviewed in CARIS HIPS and SIPS Subset Editor for sounding consistency and in CARIS BathyDatabase by surface differencing 8 meter combined surfaces to assess surface agreement. The soundings and surfaces are in agreement within half a meter. The junction agreement is within the total allowable vertical and horizontal uncertainty in their common areas and depths. See figure 10 for area of overlap.Junction between H12680, H12681, H12683, H11664, H11665 and H11666SupportFiles\Junction Surveys_LIDAR.jpgSurface differencing in CARIS HIPS and SIPS was used to assess junction agreement between H12681_MB_8m_MLLW_Combined and H12680_MB_8m_MLLW_Combined. The difference between the surfaces were generally less than 0.5 m. See figure 11 for a graphical representation and figure 12 for statistical information of the surface differencing.Graphical representation of differences between junction H12681 and H12680SupportFiles\H12681_H12680_Junctionimage.jpgStatistical information for junction comparison between sheet H12681 and H12680SupportFiles\H12681_H12680_Junctionstats.jpgNOAA Ship FAIRWEATHERN10000H126802014Surface differencing in CARIS HIPS and SIPS was used to assess junction agreement between H12681_MB_8m_MLLW_Combined and H12683_MB_8m_MLLW_Combined. The difference between the surfaces were generally less than 0.5 m. See figure 13 for a graphical representation and figure 14 for statistical information of the surface differencing. Due to manning and mechanical problems, a large gap was not surveyed between H12683 and H12681. This resulted in a reduced amount of overlap obtained between the two sheets.Graphical representation of differences between junction H12681 and H12683SupportFiles\H12681_H12683_Junctionimage.jpgStatistical information for junction comparison between sheet H12681 and H12683SupportFiles\H12681_H12683_Junctionstats.jpgNOAA Ship FAIRWEATHERS40000H126832014Survey H12681 was compared to the LIDAR junction survey H11664, which was completed in 2007 by TENIX LADS. It was found that the junctions met the one meter standard set forth in the Office of Coast Survey Field Procedures Manual section 4.5.2. The difference at the 95 percent confidence level was +/- 0.57m as seen in the statistics image below. H12681/H11664 Difference SurfaceSupportFiles\H12681_H11664_screen grab.pngH12681/H12664 Surface StatisticsSupportFiles\H12681_H11664_LIDAR.pngTENIX LADSE10000H116642007Survey H12681 was compared to the LIDAR junction survey H11665, which was completed in 2007 by TENIX. It was found that the junctions met the one meter standard set forth in the Office of Coast Survey Field Procedures Manual section 4.5.2. The difference at the 95 percent confidence level was +/- 0.5m as seen in the statistics image below. H12681/H11665 Difference SurfaceSupportFiles\H12681_H11665_LIDAR_screen_grab.pngH12681/H11665 Surface StatisticsSupportFiles\H12681_H11665_LIDAR.pngTENIXN10000H116652007Survey H12681 was compared to the LIDAR junction survey H11666, which was completed in 2007 by TENIX LADS. It was found that the junctions met the one meter standard set forth in the Office of Coast Survey Field Procedures Manual section 4.5.2. The difference at the 95 percent confidence level was +/- 0.24m as seen in the statistics image below. H12681/H11666 Difference SurfaceSupportFiles\H12681_H11666_LIDAR_screen_grab.pngH12681/H11666 Surface StatisticsSupportFiles\H12681_H11666_LIDAR.pngTENIX LADSN10000H116662007Sonar system quality control checks were conducted as detailed in the quality control section of the DAPR.Multibeam Echo SounderMultibeam Echo Sounder BackscattermetersThe purpose of this survey is to provide contemporary surveys to update National Ocean Service (NOS) nautical charts. All separates are filed with the hydrographic data. Notes in red were generated during office processing. The processing branch concurs with all information and recommendations in the DR unless otherwise noted. Page numbering may be interrupted or non-sequential. All pertinent records for this survey, including the Descriptive Report, are archived at the National Geophysical Data Center (NGDC) and can be retrieved via http://www.ngdc.noaa.gov/.CDR David J. Zezula, NOAA2014-04-212014Navigable AreaPacific Hydrographic BranchUTC2014-05-212014-08-07Universal Transverse Mercator (UTM)NOAA2West Aiaktalik Island and VicinityH12681 OPR-P335-FA-1440000AlaskaUnited StatesSouth Coast of Kodiak IslandKodiak, AKOPR-P335-FA-14NOAA Ship FAIRWEATHERSurvey limits were acquired in accordance with the requirements in the Project Instructions and the HSSD.280500144.7639.64100000280600266.241.62200000280700285.027000000280800125.39633.5680000000816.1745.55905.5800002014-05-212014-05-222014-06-012014-06-022014-06-032014-06-042014-06-052014-06-162014-06-192014-06-202014-06-242014-06-252014-06-262014-06-272014-07-012014-08-062014-08-0723.066003The survey area is located in Kodiak, AK with the sub-locality of West Aiaktalik Island and Vicinity56.7584666667154.22511666756.6596333333153.916933333H12681 Survey OutlineSupportFiles\H12681_Outline.jpgAlong the south side of Aiaktalik Island and in Aiaktalik cove on the east side of Aiaktalik Island gaps appear in the CUBE surfaces. This coverage meets the 25 m line spacing requirement.H12681 25 m line spacing areasSupportFiles\25m spacing.jpgInshore limit to 8 meters25m spaced Set Line Spacing SBES or MBES with concurrent BackscatterGreater than 8 metersComplete Multibeam with concurrent BackscatterDue to safe manning issues and mechanical problems Fairweather departed the survey area prior to completing this project. Data from the partially completed survey sheet H12682 was added to this survey (H12681). Figure 1 shows the two areas of disconnected data and one area of contiguous data added from sheet H12682. Several areas in the original H12681 sheet limits did not reach the 4m curve or the sheet limits. This was mainly due to these areas being foul with kelps, rocks, or both. These areas are shown below in figures 2 and 3 with areas in red representing the 4m curve.H12681 Additions from H12682.SupportFiles\H12682 annex overview.jpgH12681 4m curve, rocky foul area, West of Aiaktalik Cove.SupportFiles\Rocky no 4m.jpgH12681 4m curve, area foul with kelp, East of Sundstrom Island.SupportFiles\kelp no 4m.jpgThe entire survey is adequate to supersede previous data.The purpose of this project is to provide contemporary surveys to update National Ocean Service (NOS) nautical charting products. The project will include areas off the South Coast of Kodiak Island, AK. Assigned survey area will update 23.06 square nautical miles of previously surveyed area. Project area also addresses survey request number 030001, need for survey due to increasing number of passenger vessels, tour vessels, and large fishing fleet vessels.All assigned features were addressed and are included in the H12681_Final_Feature_File. Soundings from survey H12681 generally agreed within zero to one fathom with charted depths on chart 16590. Contours generated in CARIS HIPS closely approximated the charted 3, 5, 10, and 20 fathom contour. Notable exceptions to this agreement are listed and shown in the figures below. Figure 37. Near the southern edge of the sheet limit the 10 fathom contour differs by close to 500m in some sections all the way up to 1000m. A large section of this 10 fathom contour that appears on the chart does not appear in the CARIS generated contour. Figure 38. Near the northwest corner of the sheet limit the 20 fathom contour needs to be extended in two places along the contour. Figure 39. On the south side of Aiaktalik Island there is a large section of 20 fathom contour that was not placed on the chart. Figure 40. On the north side of Aiaktalik Island, close to the charted Aid to Navigation (ATON) light, a 10 fathom contour was missing from the previous chart. Figure 41. In the southeast corner within the sheet limit extension the 10 fathom contour CARIS generated extends 422m further inshore then the charted contour. Also there is a 10 fathom contour in the southeast corner of this section that does not exist on the chart as well. Figure 42. The section of the sheet extension at the mouth of Geese Channel closest to Cape Trinity has two 20 fathom contours that were generated by CARIS that were not on the previous chart. Figure 43. The 10 fathom contour at the west entrance to Russian Harbor was surveyed different in a variety of places. These difference were as large as 690m in some places. Figure 44. In the passage between Sundstrom Island and Aiaktalik Island there are several areas where the CARIS soundings generated are shoaler then what is charted. these areas are mostly along the sides of the channel, there is a 3 fathom contour running through the middle of the passage. Figure 45. Off the coast of Cape Trinity there is a zero sounding at the end of the 3 fathom contour. There is also a 3.75 fathom sounding southeast of the 0 sounding that has a 1.2 and a 2.2 fathom sounding within very close proximity of it.165902014-09-239912342014-09-23815292011-01H12681 south side 10f contour discrepancy.SupportFiles\10f_differenceA.jpgH12681 northeast corner 20f contour discrepancy.SupportFiles\NE 20f difference.jpgH12681 south of Aiaktalik Island missing 20f contour.SupportFiles\missing 20f.jpgH12681 north side of Aiaktalik Island missing 10f contour near ATON.SupportFiles\ATON contour.jpgH12681 SE sheet limit extension discrepancies.SupportFiles\SE 10f difference.jpgH12681 Geese channel mouth extension missing contour.SupportFiles\sheet extension missing contour.jpgH12681 Russian Harbor 10f contour difference.SupportFiles\Russian Harbor entrance.jpgH12681 passage between Sundstrom and Aiaktalik Islands sounding differences.SupportFiles\sundstrom passage.jpgH12681 Cape Trinity sounding discrepancies.SupportFiles\Cape Trinity soundings.jpgRegarding all noted contour discrepancies between the survey and the charts, depth contours for the chart update product reflect new sounding data.Soundings from survey H12681 generally agreed within zero to one fathoms on chart US4AK5LM. Contours in CARIS HIPS closely approximate the charted contours. See discussion from Raster chart 16590 for more details.992014-09-04US4AK5LM815292014-09-04falseThree bottom samples were obtained in accordance with section 7.1 of the HSSD in areas designated by the feature object class (SPRING) in the Project Reference File (PRF). Each bottom sample was attributed and can be found in the H12681_Final_Feature_File.hob file.Maritime Boundary Points were assigned for this survey, but were not addressed.The Maritime Boundary Points were not addressed at the time of submission, but were subsequently addressed by the field prior to final review. At the processing branch, four Maritime Boundary Points were compiled to the chart update product. See Maritime Boundary Report, attached.A comparison was performed between survey H12681 and charts 16590_1 and US4AK5LM using CARIS sounding and contour layer derived from the 8-m combined surface. The contours and soundings have been overlaid on the chart to assess differences. All data from H12681 should supersede charted data. During shoreline investigation several areas were found to be foul with kelp or foul with rocks and kelp. Kelp lines are illustrated by cartography line features. A potentially hazardous sand bar was located and added as a caution area feature. These areas have been added to the final feature file and examples are shown below.H12681 feature addition examples.SupportFiles\shoreline areas.jpgA number of areas foul with rocks and/or kelp have been compiled to the chart update product. In addition, a 2 fathom sounding inside a new area of breakers has been compiled in place of the field-submitted Caution area feature. Towards the center of Russian Harbor what appears to be a sand bar was found that was shoaler than 4 m. This area did not appear on the chart at all and when combined with the current in the area could be considered hazardous. The sand bar was located at 56:43:47.57N, 154:05:16.08W. Breakers were seen over the top of the sand bar.Russian Harbor Sand Bar.SupportFiles\Sand Bar.jpgSee Rednote for D.1.5. This was compiled as a 2 fathom sounding inside a new breakers area.No Danger to Navigation Reports were submitted for this survey.No channels exist for this survey. There are no designated anchorages, precautionary areas, safety fairways, traffic separation schemes, pilot boarding areas, or channel and range lines within the survey limits.No new insets are recommended for this area.Please see comments on D.1.8 Shoal and Hazardous Features.A charted green navigation light and fixed aid to navigation were observed as charted on the north point of Aiaktalik Island. The Aid to Navigation was found to be on-station and appear to be serving their intended purpose as charted.Prior LIDAR survey comparisons exist for this survey, but were not investigated.No ferry routes or terminals exist for this survey.No platforms exist for this survey.No present or planned construction or dredging exist within the survey limits.No submarine features exist for this survey.No overhead features exist for this survey.No new surveys or further investigations are recommended for this area.Fairweather personnel conducted limited shoreline verification and reconnaissance at times near predicted negative of low tides within the survey limits. Annotations, information, and diagrams collected on DP forms and boat sheets during field operations are scanned and included in the digital Separates I folder. Shoreline verification procedures for survey H12681 conform to those detailed in the DAPR. Features from the current editions of charts 16590 and US4AK5LM that were not depicted by the source shoreline data were digitized with in CARIS Notebook with S-57 attribution into the H12681_Final_Feature_File.hob file to be displayed for field verification.Chief of PartyCDR David J. Zezula, NOAA2015-04-16Field Operations OfficerLT Ryan A. Wartick, NOAA2015-04-16Field Operations OfficerLT Matthew M. Forney2015-04-16Chief Survey TechnicianHCST Doulgas A. Bravo2015-04-16Sheet ManagerHST Patrick J. Berube2015-04-16The survey data meets or exceeds requirements as set forth in the NOS Hydrographic Surveys and Specifications Deliverables Manual, Field Procedures Manual, Letter Instructions, and all HSD Technical Directives. These data are adequate to supersede charted data in their common areas. This survey is complete and no additional work is required with the exception of deficiencies noted in the Descriptive Report.All field sheets, this Descriptive Report, and all accompanying records and data are approved. All records are forwarded for final review and processing to the Processing Branch.As Chief of Party, Field operations for this hydrographic survey were conducted under my direct supervision, with frequent personal checks of progress and adequacy. I have reviewed the attached survey data and reports.2015-01-20Data Acquistion and Processing Report2014-09-10Coast Pilot Report2014-10-03Horizontal and Vertical Control ReportAdditional information discussing the vertical or horizontal control for this survey can be found in the accompanying HVCR.Differential correctors from the U.S. Coast Guard beacon at Kodiak (313 kHz) were used during real-time acquisition when not otherwise noted in the acquisition logs, and were the sole method of detached positions (DP) and bottom samples as there is currently no functionality for applying Smoothed Best Estimate of Trajectory (SBET) files to these types of dataKodiak 313 kHz (100 BPS)UTM zone 5 NorthVessel kinematic data were post processed using Applanix POSPac processing software and the SingleBase method was used as described in the DAPR. Smooth Best Estimate of Trajectory (SBET) and associated error (RMS) data were applied to all MBES data in CARIS HIPS with the exception of the following line. 2808- DN176 2014M_1762238 For further details regarding the process and quality control checks performed see the H12681 POSPac Processing Logs spreadsheet located in the SBET folder with the GNSS data. See also the OPR-335-FA-14 Horizontal and Vertical Control report, submitted under separate cover.Single BaseSitkinak IslandAC45Aiaktalik Island9677North American Datum of 1983 (NAD83)Mean Lower Low WaterPreliminary zoning was accepted as final.FinalH12681RevCORF.zdfFinal Approved9457292.tidFinal Approved9457804.tidDiscrete Zoning2014-08-212014-08-26The Tide Note is attached.9457804Alitak9457292Kodiak Island9457634Japanese Bay