Runway 28 PAPI unusable 5 degrees left of course (trees) and 8 degrees right of course.
PAPI runway 10 unusable 8 degrees left and right of course.
For clearance contact potomac approach at 866-429-5882.
Personnel and equipment working adjacent all taxiways and runways 10 and 28 indefinitely.
Be alert for numerous bwi turbojet arrivals/departures in the area. fly traffic pattern south of the field to aviod bwi class B airspace. Remain clear of bwi class B airspace until clearance is obtained.