Airspace Zone
P-56 ACTIVE
Incident Mode
STANDARD INQUIRY
Separation Target
3.0 NM / 1,000 FT
14:33:00
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...