Portland-Mulino, Oregon
4S9 Mulino State
Mulino State (4S9) is a non-towered, public-use airport in Portland-Mulino, Oregon, at 259.9 ft MSL. Its runway is 14/32 (3,425 by 100 ft, asphalt). Right traffic for runway 14. CTAF 123.05.
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 4S9
- Location
- Portland-Mulino, Oregon (Clackamas County). 20 NM S of the city center
- Elevation
- 259.9 ft MSL
- Position
- 45.2166° N, 122.5902° W
- Control tower
- No, non-towered
- Sectional chart
- Seattle
- Magnetic variation
- 19° E (1985)
- Fuel
- 100LL
- Ownership
- Publicly owned, open to the public
- Attendance
- Unattended
1 runway
Runways
| Runway | Length × width | Surface | Edge lights |
|---|---|---|---|
| 14/32 | 3,425 × 100 ft | Asphalt, good condition | Medium intensity |
Runway ends and traffic pattern
| End | Pattern | Glide slope lights | Instrument | Displaced threshold | Landing distance |
|---|---|---|---|---|---|
| 14 | Right traffic | 2-light PAPI, left | None listed | None listed | Not listed |
| 32 | Not stated | 2-light PAPI, left | None listed | None listed | Not listed |
VHF
Frequencies
- CTAF
- 123.05
- Activate Mirl Ry 14/32, Twy Lgts, & Windcone - Ctaf. Papi Rys 14 & 32 Opr 24 Hrs.
- UNICOM
- 123.05
- Clearance delivery
- 119.95
Before you go
Brief 4S9 in Ascent EFB.
Current weather, NOTAMs and the airport diagram for Mulino State, in the app on iPhone and iPad.
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.