FlyFren
VFR
ID91
ST ALPHONSUS
BOISE, ID
Elevation
2,800 ft
Control
Uncontrolled
UNICOM
123.08
Plan flight to ID91
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About
Weather
Frequencies
Runways
Procedures
NOTAMs
Services
Nearby
06
Questions
01
Where is St Alphonsus (ID91) located?
St Alphonsus is located in Boise, ID.
02
Is St Alphonsus a public or private airport?
St Alphonsus (ID91) is a private-use airport, so prior permission from the owner is required before landing.
03
What is the field elevation at St Alphonsus?
St Alphonsus sits at 2,800 feet above mean sea level.
04
Does St Alphonsus have an instrument approach?
No, St Alphonsus has no published instrument approach procedures; it is used under visual flight rules.
05
Does St Alphonsus have an air traffic control tower?
No, St Alphonsus (ID91) is a non-towered airport; pilots self-announce on the CTAF.
06
What is the UNICOM frequency at ID91?
St Alphonsus's UNICOM frequency is 123.075 MHz.
Current Conditions
VFR
Visual Flight Rules
Wind
--
Steady
Visibility
10sm+
Surface Vis
Temp / Dew
--° / --°
Spread --°
Altimeter
--
Pressure
Sky Conditions
SKC
Clear
Hazards & Advisories
No active advisories within 50nm
Pilot Reports
Within 50nm
No recent pilot reports within 50nm.
01
Tower / Traffic
UNICOM
ST ALPHONSUS
123.075
Helipads
1
H1
No active NOTAMs
Directory
00 entities
No registered on-field services
Registry
FAA-V-2026.02
Coverage
On-Field Only
FlyFren Technical Directory
Regional Proximity
10 facilities
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Uncontrolled
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NM
ST LUKE'S BOISE MEDICAL CENTER
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KBOI
Towered
3
NM
BOISE AIR TRML/GOWEN FLD
BOISE, ID
90ID
Uncontrolled
4
NM
ST LUKE'S MERIDIAN MEDICAL CENTER
MERIDIAN, ID
14ID
Uncontrolled
4
NM
PEACEFUL COVE
BOISE, ID
52ID
Uncontrolled
8
NM
EAGLE HILLS
EAGLE, ID
77ID
Uncontrolled
8
NM
ASHLEY
MERIDIAN, ID
41ID
Uncontrolled
9
NM
BLACK'S AIRFIELD
KUNA, ID
06ID
Uncontrolled
10
NM
LARKIN
KUNA, ID
KMAN
Towered
12
NM
NAMPA MUNI
NAMPA, ID
ID68
Uncontrolled
12
NM
GREEN ACRES
KUNA, ID
Search Radius
50 NM
Data Source
FAA NASR
Distances calculated via haversine great-circle formula