Ottertail Lake Airport

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Location

Latitude: 
 45-49-08.1450N (45.818929)
Longitude: 
 111-41-45.1900W (-111.695886)
Elevation: 
 4155.0 feet MSL (1266 m MSL)
Magnetic Variation: 
 11.5 E (as of December 2025 from WMM2020 model)
Time Zone: 
 UTC -7.0 (Standard Time)
UTC -6.0 (Daylight Savings Time)
From City: 
 08 N.M. SW of Three Forks, Montana
Found On: 
 Great Falls Chart
FAA Region: 
 ANM

Contacts

Manager: 
Publicly owned: 
MATTHEW NISTLER
81 JEFFERSON RIVER RD
THREE FORKS, MT 59752
406 581 6998		 MATTHEW NISTLER
81 JEFFERSON RIVER RD
THREE FORKS, MT 59752
406 581 6998

Operations

Airport Status: 
 Operational
Facility Use: 
 Private
Type: 
 Airport
Activation Date: 
 01/2020
Control tower: 
 No
Boundary ARTCC: 
 ZLC (Salt Lake City)
Responsible ARTCC: 
 ZLC (Salt Lake City)
Traffic Pattern Altitude (MSL): 
 5155 feet (1571 m)

Based Aircraft

Annual Operations (as of )

Communications

       

    Fixed Based Operators (FBOs) & Fuel

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    Flight Service Stations

    Primary Alternate
    FSS on Field: 
    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 MT36

    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
    6.4 Three Forks Airport
    (9S5)    		 56 45 100LL
    23.0 Bozeman Yellowstone International Airport
    (BZN KBZN BZN)    		 96 85 100, 100LL, Jet A
    32.7 Ennis Big Sky Airport
    (KEKS EKS)    		 176 165 100LL, Jet A-1, Jet A-1+
    34.5 Bert Mooney Airport
    (BTM KBTM BTM)    		 283 271 100, 100LL, Jet A
    48.8 Helena Regional Airport
    (HLN KHLN HLN)    		 345 333 100, 100LL, Jet A
    49.4 Dillon Airport
    (DLN KDLN DLN)    		 227 215 100LL, Jet A, Jet A+
    52.1 White Sulphur Springs Airport
    (7S6)    		 38 27 100LL
    52.7 Mission Field Airport
    (LVM KLVM LVM)    		 97 86 100LL, Jet A
    52.8 Bowman Field Airport
    (3U3)    		 292 280 100LL, Jet A
    56.1 Deer Lodge-City-County Airport
    (38S)    		 307 295 100LL, Jet A
    61.0 Gardiner Airport
    (29S)    		 138 127 100ll Jet A
    71.8 Big Timber At Howard Field Airport
    (6S0)    		 89 78 100LL, Jet A
    72.1 Yellowstone Airport
    (WYS KWYS WYS)    		 159 148 100LL, Jet A-1+

    Notices to Airmen (NOTAMS)

    NOTAMs

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    Remarks

    A110-1 OWNER DESIRES CHARTING.

    Runways

    Runway Summary

    Runways: 08/26
    Longest Runway: 08/26 is 1852 ft (564 m) long
    Runways with an Instrument Approach:

    MT36 Airport Runway Details

    Runway 08/26  1852 ft x 30 ft (564 m x 9 m)
    Runway Length Source:  OWNER as of 12/30/2019
    Surface:  Turf/Dirt - No special surface treatment

    Runway 08

    Runway 26
    Elevation: 
    		 4155.0 4155.0
    Latitude: 
    		 45-49-06.5800N 45-49-09.7100N
    Longitude: 
    		 111-41-58.0600W 111-41-32.3200W
    Glide Path Angle: 
    		 0.0 degrees 0.0 degrees
    Traffic Pattern: 
    		 Right Right

    Services

    Fuel Available: 
    		 100LL, Jet A-1+
    Landing Fees: 
    		 Yes
    Parking: 
    		 Tiedowns available

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    Maps & Diagrams

    MT36 Sectional

    Flight Planning
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    MT36 Diagram


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