per yay . Ze by 7 ORIGINAL (aTP. U. 8. S. cHow ADC _ Y 300) C/O Fleet Post Office Frencisoo, California A Dk Jy > Froms (onmmanding Officer Vies Oommarnder Task Element 7.3.1.3 To: 8 a4 TELE 411011 atr.tpn/ers:00 Seri 06058 13 oo.8 Oommander Task Group 7.3 BEST COPY AVAILABLE Qubjy Operation Hardtack; submission of final report Refs (a) CTG 723 IST 03401,14 Bnols (3) seeiieatgtsthetoy Report 1. Navigation, Buring operations in the Enivetok area, several inadequacies were noted concerning navigation aids ani charts. H.0. Fielé Chart 2009 wes utilized primarily for all piloting amd anchoring inside Eniwetok Lagoon. Several discrepencies were noted on this chart from time to time. A revision of the chart was delivered to this command approximately tw weeks after arrival in area. This chart wes corrected through Notice to Mariners #9 of March 1958, adequacies were also noted on this chart. I:- For example, rotating avcro- beacon light on Fred Island appears to be out of position on all FC 2009 charts issued. The aerowbeacon fixed light on same islard is also out of position, This aid appears to be approximately 200 yards WNW of charted position. at different periods buoys were noted missing that were still listed as in position on FO 2009, Also buoys were sighted that were not noted on aforementioned chart. Buoy "CR" seems to be out of position on exiuting sharts. Most dependable navigational aids for piloting and anchosing purposes are as follows: Lighted wreck SW eof Jieroru Island, ® foot tower north end of Parry Island, Beacon Charlie on Parry Jelend (this aid not plotted in latest edition FO 2009), 100 foot tower on Igurin Island. 1) soundings listed on FO-2009 appeared to be acourate. All entrance buoys in wide passage are approximately 100 yards out of position as is Beacon *y® N.W. of Fred Island, Bottom characteristics wore found to be as listed on charts. was noticed. Holding ability was good and no dragging of anchor A definite navigational hazard appears at coordinates 11° 23" 208 N and 162 20° Of W. A one and one half fathom shoal area appears here on FC 2009 with an obstruction buoy. The bucy was noted as missing and wes reported by this command, Therg is an obstruction buoy located at approximately coordinates 11" 22! 15® N and 162° 19! 10" W which has no apparent significance whatsoever. After becoming fanilar with Lagoon area navigation problems were simplified. But to a navigator arriving in this area for the first time definite problens are presented by existing charts. .----"— a soci