Based on the helicopter chart, that is correct - at or below 200 feet for helicopters on Route 1 and 4 (or at 1500 feet on Route 6 when crossing over KDCA). Of course, ATC can authorize a different altitude.
Based on the helicopter chart, that is correct - at or below 200 feet for helicopters on Route 1 and 4 (or at 1500 feet on Route 6 when crossing over KDCA). Of course, ATC can authorize a different altitude.