Edgar G Obie Airport

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Location

Latitude: 
 48-35-31.6000N (48.592111)
Longitude: 
 109-15-02.2000W (-109.250611)
Elevation: 
 2416.0 feet MSL (736 m MSL)
Magnetic Variation: 
 10.8 E (as of December 2025 from WMM2020 model)
Time Zone: 
 UTC -7.0 (Standard Time)
UTC -6.0 (Daylight Savings Time)
From City: 
 01 N.M. W of Chinook, Montana
Found On: 
 Great Falls Chart
FAA Region: 
 ANM

Contacts

Manager: 
Publicly owned: 
EDGAR OBIE JR.
490 CLEVELAND RD
CHINOOK, MT 59523
(406) 799-6516		 BLAINE CO. ARPT. COMM.
PO BOX 248
CHINOOK, MT 59523
406-357-3250

Operations

Airport Status: 
 Operational
Facility Use: 
 Public
Type: 
 Airport
Activation Date: 
 12/1947
Control tower: 
 No
Attendance (Months/Days/Hours): 
 Months/Days/Hours
ALL/ALL/0700-1900
Boundary ARTCC: 
 ZLC (Salt Lake City)
Responsible ARTCC: 
 ZLC (Salt Lake City)
Lighting Schedule: 
 SEE RMK
Segmented Circle Indicator: 
 Yes
Traffic Pattern Altitude (MSL): 
 3416 feet (1041 m)
NOTAMs Facility: 
 GTF
NOTAM-D Service: 
 Yes
International Airport of Entry: 
 No
Customs Landing Rights: 
 No
Military Landing Rights: 
 No
Civil/Military Joint Use: 
 No

Based Aircraft

Annual Operations (as of )

Communications

CTAF:  122.800
Unicom:  122.800
AWOS-AV:  118.35 (406-357-3453)

       

    Fixed Based Operators (FBOs) & Fuel

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    Area Code: 406
    Business Name Frequency Phone Fuel Grade
    Obie Flying Service
      
    		Unicom 122.8 357-2429 100LL
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    Flight Service Stations

    Primary Alternate
    FSS on Field:  N
    FSS Name (ID):  Great Falls(GTF)
    Frequency: 
    Toll Free Phone:  1-800-WX-BRIEF

    Instrument Procedures / Charts

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    Navigation Aids (Navaids) near S71

    Navigational Aid (NAVAID) distances from the airport are listed in Nautical Miles (NM).

    Nearby Airports with Fuel

    Dist (NM) Name (Airport IDs) True Hdg Mag Hdg Fuel Grade
    8.8 Maddox Ranch Company Airport
    (3MT4)    		 122 111 100LL
    20.5 Havre City-County Airport
    (HVR KHVR HVR)    		 261 250 100LL, Jet A+
    43.0 Big Sandy Airport
    (3U8)    		 233 222 100LL
    54.6 Malta Airport
    (MLK M75)    		 103 93 100LL, Jet A+
    69.3 Liberty County Airport
    (KLTY LTY)    		 266 254 100LL
    71.3 Fort Benton Airport
    (79S)    		 231 220 100LL
    93.0 Lewistown Municipal Airport
    (LWT KLWT LWT)    		 185 174 100, 100LL, Jet A
    95.3 Stanford/Biggerstaff Field Airport
    (S64)    		 204 193 100LL

    Notices to Airmen (NOTAMS)

    NOTAMs

    List ALL S71 NOTAMs
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    NOTAMS within

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    NM of S71

    NOTAM Flight Path Search (Enter from two to five locations below)

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    NM of S71

    Remarks

    A110-1 FOR CD CTC SALT LAKE ARTCC AT 801-320-2568.
    A110-2 226 FT AGL SMOKE STACK 1.1 MI FM 26 THR.
    A17 CELL 406-799-6516
    A70-FUEL-10 0LL SELF SERVICE CREDIT CARD 24/7
    A81-APT ACTVT PAPI RWY 26; MIRL RWY 08/26 DAWN-DUSK - CTAF. AFTER DUSK MIRL ON CONSLY TIL DAWN.
    E111 EXISTED PRIOR TO 05/15/59.

    Runways

    Runway Summary

    Runways: 08/26
    Longest Runway: 08/26 is 4000 ft (1219 m) long
    Runways with an Instrument Approach:

    S71 Airport Runway Details

    Runway 08/26  4000 ft x 75 ft (1219 m x 23 m)
    Runway Length Source:  NACO as of 03/09/2004
    Surface:  Asphalt - Excellent condition - No special surface treatment
    Runway Edge Lights:  Medium Intensity

    Runway Weight Bearing Capacity (in thousands of pounds) 
    Single Wheel Landing Gear:  12.5

    Runway 08

    Runway 26
    Elevation: 
    		 2415.8 2409.4
    Latitude: 
    		 48-35-35.0500N 48-35-28.1500N
    Longitude: 
    		 109-15-31.4900W 109-14-32.9100W
    Runway True Alignment: 
    		 100 280
    Glide Path Angle: 
    		 0.0 degrees 4.0 degrees
    Traffic Pattern: 
    		 Left Left
    Runway Markings Type: 
    		 Basic Basic
    Runway Markings Condition:
    		Good Good
    Visual Glide Slope Indicators: 
    		 2-Light PAPI On Left Side Of Runway
    Threshold Crossing Height: 
    		 37

    Services

    Airframe Repair: 
    		 None
    Powerplant Repair: 
    		 None
    Bottled Oxygen: 
    		 None
    Bulk Oxygen: 
    		 None
    Fuel Available: 
    		 100LL
    Landing Fees: 
    		 No
    Parking: 
    		 Hangars and tiedowns available

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    Maps & Diagrams

    S71 Sectional

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    S71 Diagram


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