Marine One Airspace Separation Simulator

NTSB Incident Investigation • 2:33 PM Takeoff vs DCA Traffic
Airspace Zone
P-56 ACTIVE
Incident Mode
STANDARD INQUIRY
Separation Target
3.0 NM / 1,000 FT
14:33:00
+10m00s
Separation Analysis Breach Detected
Minimum Separation Distance
1.1 NM
Conflict Duration: 42s • Altitude Δ: 300 ft
P-56 Airspace Status: P-56 Perimeter Clearance Alert
Investigative Presets
1. Reported Incident (2:33 PM)
Marine One takeoff at 14:33:00. DCA ground stop delayed by 180s. DCA traffic active.
2. Standard Ground-Stop Protocol
Immediate DCA runway holding active before takeoff. Separation maintained > 3.0 NM.
3. Marine One Departure Hold
Helicopter departure held 3 minutes until DCA arrivals clear Potomac approach corridor.
ATC Controller Controls
DCA Ground-Stop Response Delay 180s
DCA Commercial Arrivals Active
Active Vectors
Target Alt (ft) Spd (kt) Hdg
HMX-1 Marine One 1,200 110 145°
AAL452 DCA App 1,500 140 190°
NTSB Telemetry Brief
Initializing NTSB Telemetry Stream...
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