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<br />Proposals for Revising Northern California Metroplex – Alameda County/Contra Costa County 30 <br /> <br /> <br /> <br /> <br />TRUKNTWO DESCRIPTION: <br /> <br />TRUKN TWO is a new NextGen RNAV departure for eastward bound traffic from SFO. Aircraft <br />from Runways 1L and 1R take off heading 014° to 520 feet in altitude then turn right direct to and <br />cross TYDYE at or above 3000 feet. Aircraft departing off Runways 28L and 28R climb heading <br />284° to 520 feet in altitude then turn right direct to TRUKN at Oakland Airport. From TRUKN, <br />traffic transitions to GRTFL, DEDHD, HYPEE or COSMC (FIGURE 16). <br /> <br />Prior to NextGen, SFO eastward bound departures were vectored over a wide corridor from <br />Emeryville and southward to San Leandro. However, flight paths indicate there were some legacy <br />concentrations. NextGen created the new waypoint TRUKN at OAK together with four tracks <br />splayed eastward from the TRUKN waypoint called (from north to south) GRTFL, DEDHD, <br />HYPEE, and COSMC. Creation of the TRUKN RNAV tracks to handle previously dispersed traffic <br />maintained some of the historical concentrations that residential areas grew and developed under, but <br />significantly shifted and concentrated portions of SFO traffic to new tracks over the topographically <br />highest area of the East Bay where there had previously been no concentration and very little SFO <br />traffic. This significantly impacted densely populated residential areas including Berkeley, Oakland, <br />and San Leandro. Daytime ambient monitored noise levels are less than 50dBA and typically less <br />than 45dBA in many of these areas. <br /> <br /> <br />Figure 16: Published TRUKN TWO departure out of SFO. <br /> <br /> <br /> <br />PROCEDURE: TRUKN TWO DEPARTURE <br />222