Herlong, California

H37 Herlong

Herlong (H37) is a non-towered, public-use airport in Herlong, California, at 4,062 ft MSL. Its runway is 06/24 (3,260 by 40 ft, asphalt). Published pattern altitude 800 ft AGL (about 4,862 ft MSL). CTAF 122.9.

FAA NASR data effective Oct 29, 2026. Not for navigation; verify with current FAA charts and the Chart Supplement.

Airport

At a glance

Identifiers
FAA H37
Location
Herlong, California (Lassen County). 2 NM W of the city center
Elevation
4,062 ft MSL
Position
40.1387° N, 120.1800° W
Pattern altitude
800 ft AGL
Control tower
No, non-towered
Sectional chart
Klamath Falls
Magnetic variation
16° E (1985)
Ownership
Publicly owned, open to the public
Attendance
Unattended

1 runway

Runways

RunwayLength × widthSurfaceEdge lights
06/243,260 × 40 ftAsphalt, good conditionNot listed

Runway ends and traffic pattern

EndPatternGlide slope lightsInstrumentDisplaced thresholdLanding distance
06Left trafficNone listedNone listedNone listedNot listed
24Left trafficNone listedNone listedNone listedNot listed

VHF

Frequencies

CTAF
122.9

Before you go

Brief H37 in Ascent EFB.

Current weather, NOTAMs and the airport diagram for Herlong, in the app on iPhone and iPad.

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Not for navigation. Verify with current FAA charts and the Chart Supplement before flight.

Source: FAA NASR 28-day subscription, cycle effective Oct 29, 2026. Airport data changes every 28 days and NOTAMs can override it at any time.