• Location

    Latitude: 
    48-10-05.5104N (48.168197)
    Longitude: 
    111-58-35.0326W (-111.976398)
    Elevation: 
    3544.8 feet MSL (1080 m MSL)
    Magnetic Variation: 
    12.6 E (as of May 2018 from WMM2015 model)
    Time Zone: 
    UTC -7.0 (Standard Time)
    UTC -6.0 (Daylight Savings Time)
    From City: 
    1 N.M. W of Conrad, Montana
    Found On: 
    Great Falls Chart
    FAA Region: 
    ANM
  • Airport Operations

    Facility Use: 
    Public
    Type: 
    Airport
    Activation Date: 
    11/1945
    Control tower: 
    No
    Attendance (Months/Days/Hours): 
    Months/Days/Hours
    UNATTND
    Boundary ARTCC: 
    ZLC (Salt Lake City)
    Lighting Schedule: 
    SEE RMK
    Segmented Circle Indicator: 
    Yes
    Beacon Color: 
    White-Green (Lighted Land Airport)
    Traffic Pattern Altitude: 
    4545 feet (1385 m)
    NOTAMs Facility: 
    GTF
    NOTAM-D Service: 
    Yes
    International Airport of Entry: 
    No
    Customs Landing Rights: 
    No
    Military Landing Rights: 
    Yes
    Civil/Military Joint Use: 
    No

    Based Aircraft

    Single Engine:  10

    Annual Operations (as of 07/27/2017)

    Total Operations:  3850
    Air Taxi:  200 5.2%
    GA Local:  2500 64.9%
    GA Itinerant:  1050 27.3%
    Military Aircraft:  100 2.6%
  • Communications

    CTAF:  122.800
    Unicom:  122.800

    • APCH/DEP SVC PROVIDED BY SALT LAKE CITY ARTCC ON FREQS 133.4/285.4 (GREAT FALLS RCAG).
    • CUT BANK RCO 122.2 (GREAT FALLS RADIO)
       
  • Contacts

    Manager: 
    Publicly owned: 
    HEATH ELINGS
    107 SO. MAIN STREET
    CONRAD, MT 59425
    (406) 450-1620
    PONDERA COUNTY
    20 4TH SW
    CONRAD, MT 59425
    (406) 271-4011
  • Fixed Based Operators (FBOs) & Fuel

    To have your name removed from AirportGuide.com and any other web sites, you must contact the FAA to have your name removed from the public listing. At the next FAA database update, your name will be removed from AirportGuide.com. For immediate removal from this site, send an email to support(at)airportguide.com with the URL of the page and/or your full name and city.
    Click here to be taken to the FAA site where you can start the process to remove your name.
    (Click on a business for detail)
    Please help us keep this information up to date. This is a FREE SERVICE just like everything else on Airport Guide!
    If you see that a business needs to be added, modified, or deleted please fill out our Update Form.

    Area Code: 406

    Business Name Frequency Phone Fuel Grade
    Minuteman Aviation, Inc.
      
    Unicom 122.8 278-7571 100, Jet A
    Target Aviation
      
    278-5008 100ll
    To add, modify, or delete a business click here.

  • 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


    FAA Terminal Procedures valid from 0901Z 04/26/18 to 0901Z 05/24/18.

    There are various types of charts available for an airport. They are listed in the Page Type column. Here is a legend for those types:

    APD - Airport Diagram
    DP - Departure Procedure Charts
    HOT - Hot Spots
    IAP - Instrument Approach Procedure Charts
    MIN - Minimums
    STAR - Standard Terminal Arrival Charts
    Page Type Page Name Volume Action Since
    Last Cycle
    IAP NDB OR GPS RWY 24 NW-1
    MIN TAKEOFF MINIMUMS NW-1
    Terminal Procedures are only available for airports in several countries with more being added all the time. If you are looking for a specific country's charts, please send an email to support(at)airportguide.com stating the country name. This will be used to prioritize the implementation.
  • Maps

    Conrad - Conrad (S01) Airport Terminal Map

    Terminal Map Not Available for this Airport

    S01 Airport Sectional

    Flight Planning
    at skyvector.com

    S01 Airport Diagram


    Do you have a better diagram of this Airport?
    Please share it with us.
  • METAR / TAF

    METAR

    TAF

  • Navigation Aids (Navaids) near S01

    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
    21.8 Choteau Airport
    (KCII CII)
    200 187 100LL, Jet A+
    22.7 Shelby Airport
    (SBX KSBX SBX)
    10 357 100LL, Jet A+
    30.8 Cut Bank International Airport
    (CTB KCTB CTB)
    329 316 100LL, Jet A, Jet A+
    44.4 Liberty County Airport
    (KLTY LTY)
    62 50 100LL
    47.9 Great Falls International Airport
    (GTF KGTF GTF)
    149 137 100LL, Jet A
    57.2 Fort Benton Airport
    (79S)
    109 97 100LL
    74.5 Big Sandy Airport
    (3U8)
    89 77 100LL
    83.8 Seeley Lake Airport
    (23S)
    225 212 100LL (Texaco), Mogas (Conoco)
    85.1 Lindey's Landing West Seaplane Base
    (M35)
    226 213 MOGAS
    91.1 Havre City-County Airport
    (HVR KHVR HVR)
    74 62 100LL, Jet A, Jet A+
    91.5 Glacier Park International Airport
    (FCA KGPI GPI)
    276 262 100LL, Jet A
    92.8 Ronan Airport
    (7S0)
    247 234 100LL, Jet A+
    93.1 Kalispell City Airport
    (S27)
    271 257 100LL, Jet A
    93.2 Polson Airport
    (8S1)
    253 240 100LL, Jet A+
    93.5 Stanford/Biggerstaff Field Airport
    (S64)
    130 118 MOGAS
    93.7 Helena Regional Airport
    (HLN KHLN HLN)
    180 168 100, 100LL, 80, Jet A
  • Notices to Airmen (NOTAMS)

    NOTAMs

    List ALL KHLN NOTAMs

    NOTAM Radius Search

    NOTAMS within
    NM of KHLN

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

    Locations (ICAO):
    Buffer (Both Sides):
    NM
    Include:
  • Ratings & Reviews

    Conrad Airport Ratings

    Category Aspect Rating
    Overall Rating for Conrad Airport
    • 0.0/5 (0 votes cast)

    Flight Service Number of Flights
    • 5.0/5 (1 vote cast)

    Overall Number of Routes Served
    • 3.0/5 (1 vote cast)

    International Routes Served
    • 3.0/5 (1 vote cast)

    On-time Performance
    • 0.0/5 (0 votes cast)

    Business Services & Internet Airport Lounges
    • 0.0/5 (0 votes cast)

    Business Centers
    • 2.0/5 (1 vote cast)

    Airport Website (information & tools)
    • 0.0/5 (0 votes cast)

    Availability of Internet Connectivity
    • 0.0/5 (0 votes cast)

    Wireless Internet Access
    • 2.0/5 (1 vote cast)

    General Facilities ATM Locations
    • 3.0/5 (1 vote cast)

    Public Telephones
    • 5.0/5 (1 vote cast)

    Restrooms
    • 1.0/5 (1 vote cast)

    Architecture
    • 1.0/5 (1 vote cast)

    Terminal Layout
    • 0.0/5 (0 votes cast)

    Seating Areas
    • 0.0/5 (0 votes cast)

    Overall Cleanliness
    • 0.0/5 (0 votes cast)

    Children Play Areas
    • 1.0/5 (1 vote cast)

    Geographic Location
    • 0.0/5 (0 votes cast)

    Baggage Claim Locations
    • 0.0/5 (0 votes cast)

    Baggage Handling
    • 2.0/5 (1 vote cast)

    Overall Comfort
    • 0.0/5 (0 votes cast)

    Security Lines
    • 5.0/5 (1 vote cast)

    Transportation & Parking Parking Availability
    • 0.0/5 (0 votes cast)

    Parking Pricing
    • 3.0/5 (1 vote cast)

    Public Transport
    • 0.0/5 (0 votes cast)

    Car Rental
    • 0.0/5 (0 votes cast)

    Taxis
    • 1.0/5 (1 vote cast)

    Hotel Shuttles
    • 0.0/5 (0 votes cast)

    Proximity to City Center
    • 2.0/5 (1 vote cast)

    Amenities Shopping (variety and number)
    • 4.0/5 (1 vote cast)

    Restaurants & Bars (variety and number)
    • 0.0/5 (0 votes cast)

    Restaurants & Bars (price/value)
    • 0.0/5 (0 votes cast)

  • Remarks

    A110-1 FLIGHT NOTIFICATION SERVICE (ADCUS) AVBL.
    A110-10 ARNG: FT HARRISON AAF (MT15) WITHIN CLASS D CONTACT MT ARNG OPS C406 324-5775/76 DSN 324-5775/76 FOR PARADROP OPERATIONS INFORMATION AND HOURS.
    A110-3 RY 17/35 & RY 05/23 (EXCP BTN TWY F & RY 09/27) NOT AVBL FOR AIR CARRIER USE BY ACFT WITH GTR THAN 30 PSGR SEATS.
    A110-4 TWYS A, B, AND C (BTN TWY A & RY 35) NOT AVBL FOR AIR CARRIER USE BY ACFT WITH GTR THAN 30 PSGR SEATS.
    A110-6 ARNG - OPR 1400-0030Z++ MON-FRI, EXC HOL. EXERCISE CAUTION WHILE TAXIING, AASF RAMP NOT STRESSED FOR LARGE ACFT. CTC FLT OPS FOR RAMP ADVSY 126.2, DSN 406-324-5775, C406-324-5775. NO TRANS SVC SAT, SUN, HOL OR AFTER 2300Z++ MON-FRI.
    A110-7 FUEL - A, J8 (C406-442-2190. SVC FEE $50.) (NC-80, 100, 100LL)
    A110-8 LANDING RIGHTS CUSTOMS AVAILABLE - CALL 406-449-5506.
    A110-9 COLD TEMPERATURE RESTRICTED AIRPORT. ALTITUDE CORRECTION REQUIRED AT OR BELOW -16C.
    A24 LNDG FEE FOR ALL COMMERCIAL ACFT & ALL ACFT OVER 10000 LBS.
    A26 ARFF COVERAGE PRVDD FOR SKED PART 121 ACRS ONLY EXCP WITH PRIOR APPROVAL - CALL 406-442-2821.
    A58-09 +6' GND 0-200' FM RY END 350' R.
    A58-35 +4' GND 0-200' FM RY END 0-125' L & R.
    A81-APT WHEN ATCT CLSD ACTVT HIRL RY 09/27, MIRL RYS 05/23 & 17/35, REIL RY 09 AND RY 17/35, MALSR RY 27 - CTAF.

  • Runways

    S01 Airport Runway Summary

    Longest Runway: 09/27 is 9000 ft (2743 m) long
    Runways with an Instrument Approach: 27

    S01 Airport Runway Details

    Runway 05/23  4644 ft x 75 ft (1415 m x 23 m)
    Runway Length Source:  3RD PARTY SURVEY as of 06/21/2015
    Surface:  Asphalt - Fair condition - Porous friction course
    Runway Pavement Class:  6 /F/C/X/U
    Runway Edge Lights:  Medium Intensity

    Runway Weight Bearing Capacity (in thousands of pounds) 
    Single Wheel Landing Gear:  21.0
    Dual Wheel Landing Gear:  30.0
    Dual Tandem Wheel Landing Gear: 
    Dual Dual Tandem Wheel Landing Gear: 

    Runway 05

    Runway 23

    Elevation: 
    3877 3820
    Latitude: 
    46-36-20.1485N 46-36-38.6134N
    Longitude: 
    111-59-50.7999W 111-58-49.9340W
    True Magnetic Hdg.: 
    66 246
    ILS Type: 
    Glide Path Angle: 
    3.0 degrees 3.0 degrees
    Traffic Pattern: 
    Left Right
    Runway Markings Type: 
    Basic Basic
    Runway Markings Condition:
    Good Good
    Arresting Device: 
    Object at End: 
    ROAD FENCE
    Object Height: 
    22 8
    Object Marked/Lighted?: 
    Marked
    Distance from End: 
    425 550
    Object Centerline Offset: 
    136 ft. left of centerline 165 ft. left of centerline
    Visual Glide Slope Indicators: 
    2-Light PAPI On Left Side Of Runway 2-Light PAPI On Left Side Of Runway
    Runway Visual Range (RVR): 
    Approach Light System: 
    REIL: 
    Touchdown Lights: 
    Centerline Lights: 
    Threshold Crossing Height: 
    40 49
    Threshold Elevation: 
    0 0
    Displaced Threshold: 
    0 0
    Threshold Latitude: 

    Threshold Longitude: 

    Declared Distances
    Take Off Run Avbl. (TORA): 
    4644 4644
    Take Off Distance Avbl. (TODA): 
    4644 4644
    Actual Stop Dist. Avbl. (ASDA): 
    4644 4644
    Landing Dist. Avbl. (LDA): 
    4644 4644

    Runway 09/27  9000 ft x 150 ft (2743 m x 46 m)
    Runway Length Source:  3RD PARTY SURVEY as of 06/21/2015
    Surface:  Asphalt - Fair condition - Porous friction course
    Runway Pavement Class:  50 /F/C/X/U
    Runway Edge Lights:  High Intensity

    Runway Weight Bearing Capacity (in thousands of pounds) 
    Single Wheel Landing Gear: 
    Dual Wheel Landing Gear:  160.
    Dual Tandem Wheel Landing Gear:  250.0
    Dual Dual Tandem Wheel Landing Gear:  420.

    Runway 09

    Runway 27

    Elevation: 
    3864 3845
    Latitude: 
    46-36-30.2886N 46-36-10.7600N
    Longitude: 
    111-59-51.6769W 111-57-45.9550W
    True Magnetic Hdg.: 
    102 282
    ILS Type: 
    ILS
    Glide Path Angle: 
    3.0 degrees 3.0 degrees
    Traffic Pattern: 
    Left Right
    Runway Markings Type: 
    Precision Instrument Precision Instrument
    Runway Markings Condition:
    Good Good
    Arresting Device: 
    Object at End: 
    GND
    Object Height: 
    6 0
    Object Marked/Lighted?: 
    Distance from End: 
    200 0
    Object Centerline Offset: 
    136 ft. left of centerline 165 ft. left of centerline
    Visual Glide Slope Indicators: 
    4-Box VASI On Left Side Of Runway 4-Box VASI On Left Side Of Runway
    Runway Visual Range (RVR): 
    Approach Light System: 
    1,400 Foot Medium Intensity Approach Lighting System With Runway Alignment Indicator Lights
    REIL: 
    Yes
    Touchdown Lights: 
    Centerline Lights: 
    Threshold Crossing Height: 
    44 46
    Threshold Elevation: 
    0 0
    Displaced Threshold: 
    0 0
    Threshold Latitude: 

    Threshold Longitude: 

    Declared Distances
    Take Off Run Avbl. (TORA): 
    9000 9000
    Take Off Distance Avbl. (TODA): 
    9000 9000
    Actual Stop Dist. Avbl. (ASDA): 
    9000 9000
    Landing Dist. Avbl. (LDA): 
    9000 9000

    Runway 10/28  1584 ft x 75 ft (483 m x 23 m)
    Runway Length Source:  3RD PARTY SURVEY as of 06/21/2015
    Surface:  Asphalt - Fair condition -
    Runway Pavement Class: 
    Runway Edge Lights:  Intensity

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

    Runway 10

    Runway 28

    Elevation: 
    3856 3851
    Latitude: 
    46-36-22.5128N 46-36-19.0598N
    Longitude: 
    111-59-30.8337W 111-59-08.7082W
    True Magnetic Hdg.: 
    103 283
    ILS Type: 
    Glide Path Angle: 
    0.0 degrees 0.0 degrees
    Traffic Pattern: 
    Runway Markings Type: 
    Runway Markings Condition:
    Arresting Device: 
    Object at End: 
    Object Height: 
    0 0
    Object Marked/Lighted?: 
    Distance from End: 
    0 0
    Object Centerline Offset: 
    136 ft. left of centerline 165 ft. left of centerline
    Visual Glide Slope Indicators: 
    Runway Visual Range (RVR): 
    Approach Light System: 
    REIL: 
    Touchdown Lights: 
    Centerline Lights: 
    Threshold Crossing Height: 
    Threshold Elevation: 
    0 0
    Displaced Threshold: 
    0 0
    Threshold Latitude: 

    Threshold Longitude: 

    Declared Distances
    Take Off Run Avbl. (TORA): 
    0 0
    Take Off Distance Avbl. (TODA): 
    0 0
    Actual Stop Dist. Avbl. (ASDA): 
    0 0
    Landing Dist. Avbl. (LDA): 
    0 0

    Runway 17/35  2989 ft x 75 ft (911 m x 23 m)
    Runway Length Source:  3RD PARTY SURVEY as of 06/06/2015
    Surface:  Asphalt - Fair condition - Porous friction course
    Runway Pavement Class:  5 /F/C/X/U
    Runway Edge Lights:  Medium Intensity

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

    Runway 17

    Runway 35

    Elevation: 
    3812 3862
    Latitude: 
    46-36-43.8205N 46-36-14.3266N
    Longitude: 
    111-58-50.7804W 111-58-50.2896W
    True Magnetic Hdg.: 
    179 359
    ILS Type: 
    Glide Path Angle: 
    0.0 degrees 0.0 degrees
    Traffic Pattern: 
    Left Right
    Runway Markings Type: 
    Basic Basic
    Runway Markings Condition:
    Good Good
    Arresting Device: 
    Object at End: 
    GND
    Object Height: 
    0 4
    Object Marked/Lighted?: 
    Distance from End: 
    0 200
    Object Centerline Offset: 
    136 ft. left of centerline 165 ft. left of centerline
    Visual Glide Slope Indicators: 
    Runway Visual Range (RVR): 
    Approach Light System: 
    REIL: 
    Yes Yes
    Touchdown Lights: 
    Centerline Lights: 
    Threshold Crossing Height: 
    Threshold Elevation: 
    0 0
    Displaced Threshold: 
    0 0
    Threshold Latitude: 

    Threshold Longitude: 

    Declared Distances
    Take Off Run Avbl. (TORA): 
    2989 2989
    Take Off Distance Avbl. (TODA): 
    2989 2989
    Actual Stop Dist. Avbl. (ASDA): 
    2989 2989
    Landing Dist. Avbl. (LDA): 
    2989 2989

    Runway 05/23  4644 ft x 75 ft (1415 m x 23 m)
    Runway Length Source:  as of
    Surface:  Asphalt -
    Runway Pavement Class: 
    Runway Edge Lights:  Yes Intensity

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

    Runway 05

    Runway 23

    Elevation: 
    3877 3820
    Latitude: 
    46.6056 46.6107
    Longitude: 
    -111.997 -111.981
    True Magnetic Hdg.: 
    66 246
    ILS Type: 
    Glide Path Angle: 
    0.0 degrees 0.0 degrees
    Traffic Pattern: 
    Runway Markings Type: 
    Runway Markings Condition:
    Arresting Device: 
    Object at End: 
    Object Height: 
    0 0
    Object Marked/Lighted?: 
    Distance from End: 
    0 0
    Object Centerline Offset: 
    Visual Glide Slope Indicators: 
    Runway Visual Range (RVR): 
    Approach Light System: 
    REIL: 
    Yes Yes
    Touchdown Lights: 
    Centerline Lights: 
    Threshold Crossing Height: 
    Threshold Elevation: 
    3877 3820
    Displaced Threshold: 
    0 0
    Threshold Latitude: 

    Threshold Longitude: 

    Declared Distances
    Take Off Run Avbl. (TORA): 
    0 0
    Take Off Distance Avbl. (TODA): 
    0 0
    Actual Stop Dist. Avbl. (ASDA): 
    0 0
    Landing Dist. Avbl. (LDA): 
    0 0

    Runway 09/27  9000 ft x 150 ft (2743 m x 46 m)
    Runway Length Source:  as of
    Surface:  Asphalt -
    Runway Pavement Class: 
    Runway Edge Lights:  Yes Intensity

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

    Runway 09

    Runway 27

    Elevation: 
    3864 3845
    Latitude: 
    46.6084 46.603
    Longitude: 
    -111.998 -111.963
    True Magnetic Hdg.: 
    103 283
    ILS Type: 
    Glide Path Angle: 
    0.0 degrees 0.0 degrees
    Traffic Pattern: 
    Runway Markings Type: 
    Runway Markings Condition:
    Arresting Device: 
    Object at End: 
    Object Height: 
    0 0
    Object Marked/Lighted?: 
    Distance from End: 
    0 0
    Object Centerline Offset: 
    Visual Glide Slope Indicators: 
    Runway Visual Range (RVR): 
    Approach Light System: 
    REIL: 
    Yes Yes
    Touchdown Lights: 
    Centerline Lights: 
    Threshold Crossing Height: 
    Threshold Elevation: 
    3864 3845
    Displaced Threshold: 
    0 0
    Threshold Latitude: 

    Threshold Longitude: 

    Declared Distances
    Take Off Run Avbl. (TORA): 
    0 0
    Take Off Distance Avbl. (TODA): 
    0 0
    Actual Stop Dist. Avbl. (ASDA): 
    0 0
    Landing Dist. Avbl. (LDA): 
    0 0

    Runway 16/34  2989 ft x 75 ft (911 m x 23 m)
    Runway Length Source:  as of
    Surface:  Asphalt -
    Runway Pavement Class: 
    Runway Edge Lights:  Yes Intensity

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

    Runway 16

    Runway 34

    Elevation: 
    3811 3862
    Latitude: 
    46.6122 46.604
    Longitude: 
    -111.981 -111.981
    True Magnetic Hdg.: 
    179 359
    ILS Type: 
    Glide Path Angle: 
    0.0 degrees 0.0 degrees
    Traffic Pattern: 
    Runway Markings Type: 
    Runway Markings Condition:
    Arresting Device: 
    Object at End: 
    Object Height: 
    0 0
    Object Marked/Lighted?: 
    Distance from End: 
    0 0
    Object Centerline Offset: 
    Visual Glide Slope Indicators: 
    Runway Visual Range (RVR): 
    Approach Light System: 
    REIL: 
    Yes Yes
    Touchdown Lights: 
    Centerline Lights: 
    Threshold Crossing Height: 
    Threshold Elevation: 
    3811 3862
    Displaced Threshold: 
    0 0
    Threshold Latitude: 

    Threshold Longitude: 

    Declared Distances
    Take Off Run Avbl. (TORA): 
    0 0
    Take Off Distance Avbl. (TODA): 
    0 0
    Actual Stop Dist. Avbl. (ASDA): 
    0 0
    Landing Dist. Avbl. (LDA): 
    0 0

  • Services

    Airframe Repair: 
    Major
    Powerplant Repair: 
    Major
    Bottled Oxygen: 
    High Pressure
    Bulk Oxygen: 
    High Pressure
    Fuel Available: 
    100, 100LL, 80, Jet A
    Landing Fees: 
    Yes
    Parking: 
    Hangars and tiedowns available

© 1998-2018 AirportGuide.com. All rights reserved.

AirportGuide.com does not guarantee the accuracy or timeliness of any information on this site. Use at your own risk.
NOT to be used as an official source for flight planning, navigation, or use in flight.