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6 x 5 Rectangular Spiral (150 km grid spacing). IP. 4350 km total (2248 nmi). Approximate Duration: GIV - 5.5 hr DC8 - 5.5 hr GH - 6.7 hr. FP. 5 x 5 Square Spiral (150 km grid spacing). IP. 3600 km total (1944 nmi). Approximate Duration: GIV - 4.5 hr DC8 - 4.5 hr GH - 5.6 hr.
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6 x 5 Rectangular Spiral (150 km grid spacing) IP 4350 km total (2248 nmi) Approximate Duration: GIV - 5.5 hr DC8 - 5.5 hr GH - 6.7 hr FP
5 x 5 Square Spiral (150 km grid spacing) IP 3600 km total (1944 nmi) Approximate Duration: GIV - 4.5 hr DC8 - 4.5 hr GH - 5.6 hr FP
6 x 5 Lawnmower (150 km grid spacing) IP 4350 km total (2348 nmi) Approximate Duration: GIV - 5.3 hr DC8 - 5.3 hr GH - 6.5 hr FP
2 2 2 Rotating Figure 4 (300 km radius legs) 3 300 km FP 6 3500 km total (2175 nmi) 150 km eye wall IP 2 Approximate Duration: DC8 - 5 hr GH - 6.2 hr 5 7 4
2 2 2 Butterfly (450 km radius legs) FP 450 km 3 3600 km total (1944 nmi) 225 km eye wall IP 2 2 Approximate Duration: DC8 - 4.5 hr GH - 5.6 hr 5 4
2 2 2 Star Pattern (end points at 500 km radius) 500 km 8 5 3600 km total (1944 nmi) 6 7 4 75 km eye wall 3 9 Approximate Duration: GIV - 4.5 hr DC8 - 4.5 hr GH - 5.6 hr 10 2 12 13 IP 11 FP
2 2 2 Single Figure 4 (500 km radius legs) 3 500 km 2700 km total (1458 nmi) 225 km eye wall IP 2 2 Approximate Duration: DC8 - 3.5 hr GH - 4.2 hr FP
Operating regions for G-V (blue) DC-8 (yellow) and NOAA P-3 (red) with other colors indicating overlap regions. The optimum location for genesis missions with the G-V and DC-8 working the same system is west of the black line in the west Atlantic or central Caribbean. To work a system well east of the black line, the DC-8 would need a suitcase deployment. (The next version of this map should include operating areas for the WB-57 within 2-h ferry from Ellington or KSC. Note that deployment to Bermuda is not planned for the P-3s, so areas north and east of Bermuda should not be considered.) Issue: DC-8 circle is 2.5h ferry; G-V circle is ~3h ferry. Realistic for basic patterns? Implications for high priority targeting?
Atlantic Flight Ranges and Duration (3-hr ferry-too long for many purposes) Comment: GH on-station times of >12 hours are preferred, because there would then likely be time for at least 2 different flight patterns, or time to execute a single flight pattern more than once, or to undertake additional shorter modules.