Reference only — not for real-world navigation.
KPSM
Portsmouth International at Pease Airport · Portsmouth
Key Facts
Essential technical summary for MSFS 2020/2024 and X-Plane.
ILS Approach StatusILS FREQUENCIES VERIFIED ✅
Field Elevation
100 ft / 30 m
Transition Altitude
18,000 ft
Primary Channel
TWR 128.40 MHz (TWR)
Live Conversion
inHg
hPa
Runway Summary (Quick-Links)
16/34 · 11,321 ft · PEMLIGHTEDFlight Planning
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Welcome to the technical flight briefing for Portsmouth International at Pease Airport (KPSM), located in Portsmouth, United States. As a vital hub for Microsoft Flight Simulator 2024, MSFS 2020, and X-Plane pilots, this facility features 1 active runway with a maximum elevation of 100 ft. Instrument approaches (IFR) are supported with verified ILS frequencies and identifiers for precision landings.Reference the data below for primary communication channels and detailed runway characteristics. Pilots should observe a Transition Altitude of 18,000 ft verified for this field for altimeter reset procedures.
Full Name
Portsmouth International at Pease Airport
ICAO / IATA
KPSM / PSM
Municipality
Portsmouth
Country
Region
US-NH — New Hampshire
GPS Coordinates
Transition Altitude
18,000 ft
Elevation
100 ft
Wikipedia
Pilot Toolbox
External charts, live tracking and weather reports.
Runway 16 / 34
ILS EQUIPPEDLIGHTED
Runway Length: 11,321 ft / 3,451 m
Runway Width: 150 ft / 46 m
Surface Type: PEM
Heading: 149° / 329°
Runway Width: 150 ft / 46 m
Surface Type: PEM
Heading: 149° / 329°
RWY 16 (149°)
110.10 MHz
IDENT: PGQ | CRS: 165°
RWY 34 (329°)
110.10 MHz
IDENT: PSM | CRS: 345°
APP BOSTON APP
125.05 MHz
ATIS ATIS
132.05 MHz
CLD CLNC DEL
33.58 MHz
DEP DEP
125.05 MHz
GCA GCA
127.05 MHz
GND GND
120.95 MHz
MISC ARW ANG OPS
134.10 MHz
TWR TWR
128.40 MHz
UNIC UNICOM
122.95 MHz
Base Airport Data: OurAirports (Public Domain)
Instrument Approach Data: FAA NASR · Cycle: Jan 2026