Airport information
- FAA LID
- O55
- Coordinates
- 41.1396, -121.1240
- Elevation
- 4,158 ft MSL
- Magnetic variation
- 17E
- Sectional chart
- KLAMATH FALLS
- Airport use
- Public
- Control tower
- Yes
- ARTCC
- SEATTLE (ZSE)
- Flight service (FSS)
- RANCHO MURIETA
- NOTAM facility
- RIU
- Attendance
- UNATNDD
- Beacon
- white-green (SS-SR)
- Segmented circle
- Yes
- Wind indicator
- lighted
- Activated
- 1946/09
- Distance from city
- 2 NE
Weather
METAR observed
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TAF forecast
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Sun & FAA night 2026-06-20
| Event | Local (PDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 04:58 AM | 11:58Z |
| Sunrise | 05:32 AM | 12:32Z |
| Sunset | 08:40 PM | 03:40Z |
| Evening civil twilight Loggable night begins | 09:14 PM | 04:14Z |
Loggable night (§1.1)
09:14 PM → 04:58 AM
Night currency (§61.57)
09:40 PM → 04:32 AM
Plan a flight from O55
Runway 04/22
2,980 ft × 35 ft · Asphalt (Fair) 04
- Heading
- n/a
- Markings
- basic
- Traffic pattern
- Left
22
- Heading
- n/a
- Markings
- basic
- Traffic pattern
- Left
- Displaced threshold
- 385 ft
No published frequencies or nearby navaids for O55.
Chart Supplement FAA A/FD
Open PDF ↗Preview Chart Supplement
VFR sectional
Services
- Bottled oxygen
- NONE
- Bulk oxygen
- NONE
- Airframe service
- NONE
- Powerplant service
- NONE
- Parking
- tiedowns
Ownership & management
Owner
COUNTY OF LASSEN
707 NEVADA ST, SUSANVILLE, CA
530-251-8288
Manager
KAYLA NEELY
707 NEVADA ST, SUSANVILLE, CA
530-251-8289
Remarks FAA
- PREDATES TO 1958 FA ACT.
- FOR CD CTC SEATTLE ARTCC AT 253-351-3694.
- ACTVT LIRL RWY 04/22 - CTAF.
- LASSEN COUNTY DEPUTY DIRECTOR OF PUBLIC WORKS.
- PUBLIC WORKS DEPARTMENT, SUSANVILLE.
- +3' FENCE 0-60' DIAGONALLY ACROSS PRIMARY SURFACE.
- APCH RATIO 20:1 TO DSPLCD THLD.
Nearby airports
Weather is live from the Aviation Weather Center; airport facility data is from the FAA NASR (28-day cycle). For planning and education only; always verify against official sources. Open O55 in a full tool: METAR/TAF decoder, crosswind calculator, sun & night times, or the density altitude calculator.