title: PA1
text: # PA1
  
  PA1 or PA-1 may refer to:
  
  * Pad Abort Test 1, a 1963 Apollo test flight
  * Pad Abort 1 (Orion), a 2010 Orion test flight
  * Pennsylvania's 1st congressional district
  * Pennsylvania state route 1, a former state highway near Philadelphia
  * U.S. Route 1 in Pennsylvania
  * Muhammed Akbar Khan, Pakistan Army general
  * ALCO PA, train locomotive
  * The PA1, a type of rolling stock used on the PATH train in New York and New Jersey
  * PA-1 (cell line), a human ovarian cancer cell line
  * PA1 key, on the IBM 3270 keyboard
  