Avoid SIGMET Constraints
25 nmi buffer
50 nmi buffer
75 nmi buffer
100 nmi buffer
Coded Departure Routes (CDR)
Advanced Air Mobility
Wind optimal route reduces flight time by 10%
- A UAV is carrying supplies from DFW to LifeCare Hospital of Fort Worth at 1/21/2021 18:00 UTC. The vehicle travels at 6,000 feet with an airspeed of 50 knots. Compute the flight time along the great circle path accounting for winds aloft. Determine whether a more efficient route exists. Determine the minimum feasible airspeed for this mission.
KATL to KDEN based on current winds at 39,000 feet, airspeed 450 knots
- Example search using current winds aloft and latest filed flight plan from SWIM
KATL to KDEN based on winds at 34,000 feet on 1/27/2021 20:00 UTC, airspeed 460 knots
- Ignoring wind, CDR ATLDENRP appears to be shorter than the Latest Filed route by 49 ground miles. When considering the wind however, this CDR is actually 122 wind miles (16 minutes of ETE) longer than the Latest Filed route. The Least Cost route is similar in shape to the Latest Filed route yet would save an additional 60 wind miles (6 minutes of ETE).
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