AIRPORT CLOSED — do not use for landing
1
Runway
1
Frequency
0
Procedures
Quick Facts
FAA
M90
Elevation
162 ft MSL
Runways
1
Frequencies
1
Tower
No
Fuel
N/A
Coordinates
36.759, -120.371
Airport Information
Facility Type
AIRPORT
Elevation
162 ft MSL
Control Tower
No
CTAF
122.9 MHz
Fuel Types
None listed
Traffic Pattern
Not published
ARTCC
OAKLAND
Coordinates
36.7586, -120.3714
Ownership
Public
Hours of Operation
Current Weather
Advisory only — not an official or legal weather briefing. The pilot in command is the final authority (14 CFR 91.3).
Nearby Weather Cameras
No camera at M90. Showing nearest cameras.
Situational awareness only — not for regulatory minimums
FAA aviation weather camera images are for situational awareness. They may NOT be used to comply with regulatory requirements — for example, to determine weather minimums for IFR flight. Images are generally updated about every 10 minutes and actual site conditions may differ from the displayed image. FAA Order JO 7110.10, §8-3-3
Mt Helen
North · Camera 1 · 4 cameras total
47 NM away
Parkfield
North · Camera 1 · 4 cameras total
50 NM away
12 camera angles available
See all cameras, directions, and nearby airport cameras
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| ID | Ends | Length | Width | Surface | Lights | Weight Bearing | PCN |
|---|---|---|---|---|---|---|---|
| 15/33 | 15 / 33 | 3,499 ft | 50 ft | ASPH | - | SW (Single Wheel) 12,500 lbs | - |
Frequencies
| Type | Frequency | Name | Call Sign | Use | Hours |
|---|---|---|---|---|---|
| CTAF | 122.9 | WILLIAM ROBERT JOHNSTON MUNI | - | CTAF | - |
Airport Remarks
- ARPT CLSD UNTIL FURTHER NOTICE.
- MARKINGS FADED.
- MARKINGS FADED.
- RWY 15/33 IS POTHOLED WITH AREAS OF COLLAPSED PAVEMENT.
Nearby airports & facilities
KM90
William Robert Johnston Municipal Airport
Mendota — <1 nm
F34
FIREBAUGH
FIREBAUGH — 8 nm
KF34
FIREBAUGH
FIREBAUGH — 8 nm
CA32
SAN JOAQUIN
SAN JOAQUIN — 12 nm
CA32
SAN JOAQUIN
SAN JOAQUIN — 12 nm
49CL
EL PECO RANCH
MADERA — 13 nm
49CL
EL PECO RANCH
MADERA — 13 nm
CL01
EAGLE FLD
DOS PALOS — 17 nm
CL01
EAGLE FLD
DOS PALOS — 17 nm
28CA
DOS PALOS
DOS PALOS — 17 nm
28CA
Dos Palos Airport
Dos Palos — 18 nm
KMAE
MADERA MUNI
MADERA — 19 nm
Nearest airports
- KM90 — William Robert Johnston Municipal Airport
Mendota
- F34 — FIREBAUGH
FIREBAUGH
- KF34 — FIREBAUGH
FIREBAUGH
- CA32 — SAN JOAQUIN
SAN JOAQUIN
- CA32 — SAN JOAQUIN
SAN JOAQUIN
California airports
M90 Operational Overview
Location & Facility
WILLIAM ROBERT JOHNSTON MUNI (M90) is a publicly owned airport open to the public located in MENDOTA, California, United States. The field sits at an elevation of 162 feet above mean sea level (MSL) at coordinates 36.7586°N, 120.3714°W.
Runways
WILLIAM ROBERT JOHNSTON MUNI has 1 runway. The longest runway (15/33) measures 3,499 feet by 50 feet with a asph surface.
Communications & Operations
WILLIAM ROBERT JOHNSTON MUNI is a non-towered (pilot-controlled) field. A total of 1 communication frequencies are published for this facility.
Weather Cameras
3 FAA Weather Cameras are available near WILLIAM ROBERT JOHNSTON MUNI, providing real-time visual weather conditions updated every 10 minutes. AeroCopilot integrates these cameras with AI-powered weather analysis to help pilots assess visibility and ceiling conditions before departure.
Frequently Asked Questions
What is M90?
M90 is the FAA location identifier for WILLIAM ROBERT JOHNSTON MUNI, a public-use airport, located in MENDOTA, California, United States.
How many runways does WILLIAM ROBERT JOHNSTON MUNI have?
WILLIAM ROBERT JOHNSTON MUNI (M90) has 1 runway. See the runway table above for dimensions and surface types.
What is the elevation of M90?
The field elevation of WILLIAM ROBERT JOHNSTON MUNI is 162 feet above mean sea level (MSL). The FAA publishes this figure as ESTIMATED, not surveyed — use the current Chart Supplement for a survey-grade elevation.
Is fuel available at M90?
No fuel types are currently listed for WILLIAM ROBERT JOHNSTON MUNI. Contact the FBO directly for availability.
What is the longest runway at M90?
The longest runway at WILLIAM ROBERT JOHNSTON MUNI is 3,499 feet long.
How much weight can the main runway at M90 support?
The main runway at WILLIAM ROBERT JOHNSTON MUNI supports single-wheel landing gear aircraft up to 12,500 lbs.
How do I access complete data for M90?
Sign up for a free AeroCopilot account to access all frequencies, full NOTAM text with AI interpretation, decoded forecasts, and IFR procedure charts for WILLIAM ROBERT JOHNSTON MUNI.
Where is WILLIAM ROBERT JOHNSTON MUNI located?
WILLIAM ROBERT JOHNSTON MUNI (M90) is located in MENDOTA, California, United States, at an elevation of 162 ft MSL.
Does M90 have weather cameras?
M90 does not have a direct weather camera, but there are nearby cameras within range. Sign up for AeroCopilot to view all nearby airport cameras.