KFSI · FSI

Henry Post Army Air Field

Fort Sill, OklahomaElevation 1,189 ftMedium airport

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RUNWAYS

Runway detail & declared distances

1 runway · longest 5,002 ft

18/36
Dimensions
5,002 x 150 ft
Surface
Concrete (good)
Edge lights
HIGH
RWY 18
REILYes
VGSIPAPI (P4L)
RWY 36
Approach lightsSALS
VGSIPAPI (P4L)

Runway data from the FAA NASR dataset (effective 2026-06-11). Verify with the current Chart Supplement and NOTAMs.

AIRPORT INFORMATION

Facility & services

Henry Post Army Air Field is in Fort Sill, Oklahoma. Field elevation 1,189 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT
OwnershipArmy owned
UsePrivate use
TypeMedium airport
Manager phone580-442-4643
CHARTS & AIRSPACE
ICAO / IATAKFSI / FSI
SectionalDALLAS-FT WORTH
Center (ARTCC)FORT WORTH
Flight service (AFSS)MC ALESTER
RegionOklahoma
CountryUnited States
Coordinates34.6498, -98.4022
Distance from city1 NM SE
SERVICES & LIGHTING
Control towerTowered
Field lightingSee remarks
BeaconSunset to sunrise · Split white-green (military)
CTAF124.950
FREQUENCIES

Communications

118.6
FORT SILL APP/DEP
A/D
135.425
ATIS
ATIS
121.7
CLNC DEL
CLD
121.7
POST GND
GND
118.6
DUNCAN SCTR
MISC
37.52
PMSV METRO
PMSV
123.05
PTD
PTD
124.95
POST TWR
TWR
124.950
CTAF
CTAF

Not all tower/ground/approach frequencies are in our datasets. Verify with the FAA Chart Supplement.

AIRPORT REMARKS

Operational remarks

UNSVCBL.
AFLD COND UNMTO WHEN AFLD MGMT CLSD.
580-442-6014.
TRAN ALERT: NO TRAN MAINT, LTD SVC. TRAN AIRCREW MUST REMAIN WITH ACFT TO PROVIDE TECHNICAL DRCT/ASSIST IN SVCG.
RDO REQ
AFLD MGMT OPR 1230-2100Z ++ MON-FRI EXC HOL. OTHER SVCS AVAILABLE AS PUBLISHED/NOTAM. DSN 639-4643/2023, C580-442-4643/2023, WX DSN 639-4000/4887, C580-442-4000/4887.
MISC: WX FCST AVBL 1200-0400Z++ MON-FRI, EXC HOL. REMOTE BRIEFING SVC AVBL 26 OWS BARKSDALE AFB DSN 331-2651, C318-529-2651, HTTPS://26OWS.US.AF.MIL/.
MISC: WX OBSN AUTOMATED 24/7. WX OBSN AUGMENTED (AS RQR) DUR HRS WX FCST AVBL. WX OBSN VIS LTD TO 0.25 SM N AND NE WHEN SFC WX OBSN VIS SENSOR AUGMENTED.
SERVICE - LGT: ACTVT PAPI RWY 18 ON 125.95 APCH, PAPI RWY 36 & RWY LGT OPR O/R TO APP.
AIRFIELD LIGHTING CONTROLLED BY FORT SILL ARAC.
TOWER OPRS HRS BY NOTAM ONLY.
FORT SILL ARAC OPRS 24/7/365.
HENRY POST AIRFIELD IS LOCATED WI RESTRICTED SPECIAL USE AIRSPACE R5601. CTC FORT SILL APPROACH FOR ACCESS.
TWY A AND TWY C PCN GWT RSTD, C-130 AND LRGR MUST USE TWY B FOR RWY ENTRY & EXIT.
24 HR PPR ALL TRANS ACFT.
POTENTIAL FOR BIRD ACT NEAR POND NW OF AER RWY 18.
RWY 18-36 NSTD SAFETY ARE BYD EACH END DUE TO TERRAIN GRADE, NO PAVED OVERRUNS.
MISC: WIND CONES LCTED 353 FT FM RWY EDGE. RWY EDGE LTS LCTED 26 FT FROM RWY EDGE LINE.
FREQUENTLY ASKED
Does KFSI have a METAR?
Yes. KFSI is a METAR-reporting station; the current observation loads live on this page.
Does KFSI have a TAF?
When KFSI issues a TAF, its decoded forecast timeline loads live on this page; otherwise use the nearest TAF-issuing field as a planning reference.
What is the field elevation at KFSI?
KFSI sits at 1,189 ft MSL, which factors into the density-altitude estimate on this page.
Is this an official preflight weather briefing for KFSI?
No. wxdecoder.com is for education and situational awareness only. It is not an official weather briefing or a substitute for official sources, NOTAM review, and pilot judgment.
This app is for aviation weather education, training, and situational awareness only. It is not a substitute for an official weather briefing, approved flight-planning software, flight service, dispatch procedures, current FAA regulations, or pilot judgment. Always verify weather with official sources before flight.