I had no idea-- thanks for posting!!
There is a TFR associated:
!FDC 1/0702 ZNY PA.. TFR, LANCASTER AIRPORT, PA. August 19-21, 2011 Pursuant to 14 CFR Section 91.145 Due to AERIAL DEMONSTRATIONS BY THE U.S. ARMY BLACK DAGGERS AND U.S. AIR FORCE A-10 TEAMS. WEF 1108191800 - 1108192030 UTC 1108201600 - 1108202100 UTC 1108211600 - 1108212100 UTC SFC-10,500 MSL Aircraft flight operations prohibited within 5 NMR of 400718N/0761745W OR THE LANCASTER /LRP/ VORTAC 305 DEGREE RADIAL AT .2 NM Unless authorized by ATC GREG WITMER, PHONE 610-331-2726, is the point of contact. THE LANCASTER /LNS/ ATCT, PHONE 717-569-0004, is the FAA coordination facility. ******CAUTION: This TFR Overlay Display System (TODS) is updated Monday thru Friday 1100-2330 UTC and Saturday thru Sunday 1230-2030 UTC. CONFIRM DATA CURRENCY THROUGH ALTERNATE SOURCES AT OTHER TIMES. For interpretation of this TFR contact your local FSS.******
Aerdrome isn't closed....