1
Runway
1
Frequency
0
Procedures
Quick Facts
FAA
AZ21
Elevation
4,100 ft MSL
Runways
1
Frequencies
1
Tower
No
Fuel
N/A
Coordinates
31.746, -110.248
Airport Information
Facility Type
AIRPORT
Elevation
4,100 ft MSL
Control Tower
No
CTAF
122.7 MHz
Fuel Types
None listed
Traffic Pattern
Not published
ARTCC
ALBUQUERQUE
Coordinates
31.7458, -110.2478
Ownership
Private
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).
Runways
| ID | Ends | Length | Width | Surface | Lights | Weight Bearing | PCN |
|---|---|---|---|---|---|---|---|
| 17/35 | 17 / 35 | 4,000 ft | 175 ft | TURF-DIRT | - | - | - |
Frequencies
| Type | Frequency | Name | Call Sign | Use | Hours |
|---|---|---|---|---|---|
| UNICOM | 122.7 | FOUR PILLARS | - | UNICOM | - |
Airport Remarks
- PROVIDED VFR OPERATIONS, PRIVATE USE AND CLEAR OBSTACLE FREE ZONE.
- CATTLE N OF RWY 35 JAN & FEB.
- FOR CD CTC ALBUQUERQUE ARTCC AT 505-856-4861.
- OCNL FENCE ON RWY REDUCES LEN TO 2500 FT.
Nearby airports & facilities
AZ21
Four Pillars Airport
Huachuca City — <1 nm
11AZ
WHETSTONE
HUACHUCA CITY — 4 nm
11AZ
WHETSTONE
HUACHUCA CITY — 4 nm
KFHU
SIERRA VISTA MUNI-LIBBY AAF
FORT HUACHUCA SIERRA VISTA — 11 nm
AZ89
SIERRA VISTA RGNL HEALTH CENTER
SIERRA VISTA — 12 nm
AZ89
SIERRA VISTA RGNL HEALTH CENTER
SIERRA VISTA — 12 nm
KP29
Tombstone Municipal Airport
Tombstone — 12 nm
P29
TOMBSTONE MUNI
TOMBSTONE — 12 nm
4AZ4
FORT OMOTSE
TOMBSTONE — 13 nm
4AZ4
FORT OMOTSE
TOMBSTONE — 13 nm
74AZ
RANCHO SAN MARCOS
TOMBSTONE — 13 nm
74AZ
RANCHO SAN MARCOS
TOMBSTONE — 13 nm
Nearest airports
- AZ21 — Four Pillars Airport
Huachuca City
- 11AZ — WHETSTONE
HUACHUCA CITY
- 11AZ — WHETSTONE
HUACHUCA CITY
- KFHU — SIERRA VISTA MUNI-LIBBY AAF
FORT HUACHUCA SIERRA VISTA
- AZ89 — SIERRA VISTA RGNL HEALTH CENTER
SIERRA VISTA
Arizona airports
AZ21 Operational Overview
Location & Facility
FOUR PILLARS (AZ21) is a privately owned airport restricted to private use located in HUACHUCA CITY/TOMBSTONE, Arizona, United States. The field sits at an elevation of 4,100 feet above mean sea level (MSL) at coordinates 31.7458°N, 110.2478°W.
Runways
FOUR PILLARS has 1 runway. The longest runway (17/35) measures 4,000 feet by 175 feet with a turf-dirt surface.
Communications & Operations
FOUR PILLARS is a non-towered (pilot-controlled) field. A total of 1 communication frequencies are published for this facility.
Frequently Asked Questions
What is AZ21?
AZ21 is the FAA location identifier for FOUR PILLARS, a private-use airport — permission from the owner is required before landing, located in HUACHUCA CITY/TOMBSTONE, Arizona, United States.
How many runways does FOUR PILLARS have?
FOUR PILLARS (AZ21) has 1 runway. See the runway table above for dimensions and surface types.
What is the elevation of AZ21?
The field elevation of FOUR PILLARS is 4,100 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 AZ21?
No fuel types are currently listed for FOUR PILLARS. Contact the FBO directly for availability.
What is the longest runway at AZ21?
The longest runway at FOUR PILLARS is 4,000 feet long.
How do I access complete data for AZ21?
Sign up for a free AeroCopilot account to access all frequencies, full NOTAM text with AI interpretation, decoded forecasts, and IFR procedure charts for FOUR PILLARS.
Where is FOUR PILLARS located?
FOUR PILLARS (AZ21) is located in HUACHUCA CITY/TOMBSTONE, Arizona, United States, at an elevation of 4,100 ft MSL.