PA1 or PA-1 may refer to:
*
Pad Abort Test 1
Pad Abort Test 1 was the first abort test of the Apollo spacecraft on November 7, 1963.
Objectives
Pad Abort Test 1 was a mission to investigate the effects on the Apollo spacecraft during an abort from the pad. The launch escape system (LES) h ...
, a 1963 Apollo test flight
*
Pad Abort 1 (Orion)
Pad Abort 1 (PA-1) was a flight test of the Orion Launch Abort System (LAS). PA-1 was the first test in a sequence of atmospheric flight tests known as Orion Abort Flight Test (AFT).
PA-1 tested the basic functionality of the launch abort con ...
, a 2010 Orion test flight
*
*
Pennsylvania state route 1, a former state highway near Philadelphia
*
U.S. Route 1 in Pennsylvania
U.S. Route 1 (US 1) is a major north–south U.S. Highway, extending from Key West, Florida, in the south to Fort Kent, Maine, at the Canadian border in the north. In the U.S. state of Pennsylvania, US 1 runs for from the Maryland state lin ...
*
Muhammed Akbar Khan
Muhammed Akbar Khan ( ur, محمد اکبر خان), MBE PA-1 (19 April 1897 - 1993) was a Pakistani general and at the time of the independence of Pakistan, he was the most senior Muslim General. He also served as the first Senior Military Se ...
, Pakistan Army general
*
ALCO PA
The ALCO PA was a family of A1A-A1A diesel locomotives built to haul passenger trains. The locomotives were built in Schenectady, New York, in the United States, by a partnership of the American Locomotive Company (ALCO) and General Electric ...
, 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
{{Letter-NumberCombDisambig