📍 Mendota⬆ 162 ft1 runways
KM90 ·
William Robert Johnston Municipal Airport
36.75860°N
-120.37100°W
ARR / DAY
1
▲
133.3%
DEP / DAY
0
▼
50.0%
William Robert Johnston Municipal Airport (KM90) is a small general aviation airport located in Mendota, CA, 33 mi west of Fresno. It features 1 runway measuring 3,499 feet. SkyMeter has observed roughly 1 arrivals and 0 departures per day on average over the last 7 days.
Safety incidents
Last 7 days · 0 total
Current weather
Latest METAR observation
Temp
—
Wind
—
Visib
—
Ceil
—
Runways
1 installed
15/33
3,499 ft × 50
ASP● LIT
Runway intelligence
Which runway carries the operations, observed over the last 30 days
33
67% of ops
37 land · 0 TO
15
33% of ops
18 land · 4 TO
Runway 33 carries 67% of operations (37 landings, 0 takeoffs) over the last 30 days. The next most-used is 15 at 33%.
Approach quality
Per-runway unstable-approach, go-around, and long-rollout rates
33
37 landings
UA 0%
15
18 landings
UA 0%
Approaches to 33 show a 0% unstable-approach rate (0 UA events from 37 landings).Phase B will add wind-correlation: which crosswind band produces most UA events.
Traffic behavior
When the field is busy: hourly + weekday vs weekend
Daily avg
1.0
flights/day · 30 total
Busy hour (local)
6pm
also 1am · 4pm
Day vs night
50%
06:00–20:00 local
Communications Frequencies
2026-06-11| Type | Freq (MHz) | Hours |
|---|---|---|
| CTAF | 122.900 | — |
Airport operations
- ARTCC:
- ZOA
- Elevation:
- 162 ft
- Mag var:
- 15° E
© SkyMeter ·
All flight data subject to ODbL attribution
·
Updated 17:05 UTC