JST
John Murtha Johnstown Cambria County Airport

John Murtha Johnstown Cambria County Airport (IATA: JST, ICAO: KJST) is a medium airport in Johnstown, Pennsylvania, United States. It opened in Jun 1948. It has 2 runways; the longest is 7,004 ft (2,135 m). In 2025 it handled 38 thousand passengers.
Timeline
2 events · 1948–1974JUN 1948
OpenedJohn Murtha Johnstown Cambria County Airport opens.
06 JAN 1974
DisasterCommonwealth Commuter Flight 317.12 killed
From Wikidata · FAAEvery airfield, 1903–2026
Runways & airfield
Schematic · N · © OpenStreetMap · FAA diagram PDF15/33144° / 324° · LIT
LENGTH7,004 ft2,135 mWIDTH150 ft46 mSURFACEConcrete
05/23039° / 219° · LIT
LENGTH4,387 ft1,337 mWIDTH100 ft31 mSURFACEAsphalt
Passengers per year
2015–202515K
13K
7K
9K
13K
6K
17K
18K
28K
35K
38K
1516171819202122232425
Routes
2 destinations · 1 countryStraight lines are great circles; rings mark true distance from JST. US DOT BTS T-100, 2025: passengers flown from JST, all carriers, routes with 12 or more departures.
Records & rankings
Ranked among 48,011 open airports · world · region · countryScale: share of airports ranked below, best on the right · ties shown as = and a band · passengers are each airport’s latest year on record
Radio frequencies
8 channelsATISATIS118.325
CNTRCLEVELAND CNTR121.200
CTAFCTAF125.750
GNDGND121.600
OPSKEYSTONE OPS ARNG36.500
RDOALTOONA RDO122.650
TWRTWR125.750
UNICUNICOM122.950