Mercer Ranch Airport
Daylight today(Jul 16, 2026, local time)
About 15h 21m of daylight. Civil twilight (dawn/dusk) approximates the FAA definition of night for logging and currency. Times are computed and approximate — verify with official sources.
About Mercer Ranch Airport
Mercer Ranch Airport is a small airport in Alderdale, United States. It sits at an elevation of 780 ft (238 m) and has 1 runway, the longest 2,200 ft / 671 m. It observes America/Los Angeles local time. The nearest airport is Boardman Airport (KM50), about 6.4 nm to the se.
Summary generated from this airport’s structured data — reference only.
Map
Runway centrelines, navaids and overlapping airspace. Tiles © OpenStreetMap contributors. Reference only — not for navigation.
Runways (1)
| Runway | Length | Width | Surface | Lighting | Status |
|---|---|---|---|---|---|
| 05 / 23 | 2,200 ft / 671 m | 40 ft | Grvl | Unlit | Open |
Tall obstacles nearby
| Obstacle | Height AGL | Top (MSL) | Lit |
|---|---|---|---|
| Obstacle | — | 787 ft | — |
| Obstacle | — | 840 ft | — |
| Obstacle | — | 745 ft | — |
| Obstacle | — | 686 ft | — |
| Obstacle | — | 774 ft | — |
| Obstacle | — | 745 ft | — |
| Obstacle | — | 804 ft | — |
| Obstacle | — | 823 ft | — |
Tallest obstacles within ~10 nm. Data via OpenAIP. Reference only — consult official charts.
Nearby airports
Great-circle distance and true bearing from Mercer Ranch Airport.
Frequently asked questions
Where is Mercer Ranch Airport located?
Mercer Ranch Airport is small airport located in Alderdale, United States, at an elevation of 780 ft (238 m).
How many runways does Mercer Ranch Airport have?
Mercer Ranch Airport has 1 runway, the longest being 2,200 ft / 671 m.
What time zone is Mercer Ranch Airport in?
Mercer Ranch Airport is in the America/Los Angeles time zone (UTC-07:00).
What is the magnetic variation at Mercer Ranch Airport?
The magnetic variation (declination) at Mercer Ranch Airport is approximately 14.1° E, per the World Magnetic Model. Variation changes slowly over time — always use the current value charted for navigation.
What airports are near Mercer Ranch Airport?
The nearest airport to Mercer Ranch Airport is Boardman Airport (KM50), about 6.4 nm to the se, followed by Arlington Municipal Airport and Prosser Airport.
Is the information on this page suitable for flight planning?
No. Mercer Ranch Airport data here is for reference and training only — not for navigation. Always consult official sources and current charts before any flight.