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Edgar G Obie Airport

S71 · Chinook, MT · 2,416 ft elevation · var 16E · Towered

Airport information

FAA LID
S71
Coordinates
48.5921, -109.2510
Elevation
2,416 ft MSL
Magnetic variation
16E
Sectional chart
GREAT FALLS
Airport use
Public
Control tower
Yes
ARTCC
SALT LAKE CITY (ZLC)
Flight service (FSS)
GREAT FALLS
NOTAM facility
GTF
Attendance
ALL 0700-1900
Beacon
white-green (SS-SR)
Segmented circle
Yes
Wind indicator
lighted
Activated
1947/12
Distance from city
1 W

Weather

METAR observed

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TAF forecast

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Sun & FAA night 2026-06-20

EventLocal (MDT)UTC
Morning civil twilight
Loggable night ends
04:32 AM10:32Z
Sunrise05:14 AM11:14Z
Sunset09:23 PM03:23Z
Evening civil twilight
Loggable night begins
10:05 PM04:05Z
Loggable night (§1.1)
10:05 PM → 04:32 AM
Night currency (§61.57)
10:23 PM → 04:14 AM

Plan a flight from S71

Runway 08/26

4,000 ft × 75 ft · Asphalt (Excellent)

Edge lights: Med. Weight bearing: Single wheel 12.5k.

08
Heading
084° mag · 100° true
Markings
basic
Traffic pattern
Left
26
Heading
264° mag · 280° true
Markings
basic
VGSI
2-light PAPI (left) (4°)
Traffic pattern
Left

Communication frequencies

ServiceFrequencyNotes
UNIC122.8CTAF/UNICOM

Nearby navigation aids

NavAidTypeFreqRadial / Dist magnetic
HVR · HavreVOR-DME111.80r065° / 20.9 NM

Chart Supplement FAA A/FD

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Services

Fuel available
100LL
Bottled oxygen
NONE
Bulk oxygen
NONE
Airframe service
MINOR
Powerplant service
MINOR
Parking
tiedowns
Other services
Agricultural, Charter, Instruction

Ownership & management

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

Remarks FAA

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

Weather is live from the Aviation Weather Center; airport facility data is from the FAA NASR (28-day cycle). For planning and education only; always verify against official sources. Open S71 in a full tool: METAR/TAF decoder, crosswind calculator, sun & night times, or the density altitude calculator.