5U5 Fairfield night times
Fairfield, MT
Night of Nov 6 to Nov 7MST
Position lights
§ 91.2095:03 PMto7:21 AM
Sunset to sunrise. Lights on.
0003Z to 1421Z
Night logging
§ 1.15:35 PMto6:49 AM
Civil twilight. Log it as night.
0035Z to 1349Z
Night currency
§ 61.57(b)6:03 PMto6:21 AM
One hour after sunset. Landings count.
0103Z to 1321Z
Evenings at 5U5
When each night begins, through the year. Local time.
| Date | SunsetLights on | Civil twilight endsLog night | 1 hr after sunsetLandings count |
|---|---|---|---|
| Nov 1MST | 5:10 PM | 5:42 PM | 6:10 PM |
| Nov 15MST | 4:51 PM | 5:25 PM | 5:51 PM |
| Dec 1MST | 4:38 PM | 5:14 PM | 5:38 PM |
| Dec 15MST | 4:37 PM | 5:13 PM | 5:37 PM |
| Jan 1MST | 4:47 PM | 5:23 PM | 5:47 PM |
| Jan 15MST | 5:04 PM | 5:38 PM | 6:04 PM |
| Feb 1MST | 5:29 PM | 6:02 PM | 6:29 PM |
| Feb 15MST | 5:51 PM | 6:23 PM | 6:51 PM |
| Mar 1MST | 6:13 PM | 6:44 PM | 7:13 PM |
| Mar 15MDT | 7:33 PM | 8:04 PM | 8:33 PM |
| Apr 1MDT | 7:58 PM | 8:29 PM | 8:58 PM |
| Apr 15MDT | 8:18 PM | 8:50 PM | 9:18 PM |
| May 1MDT | 8:40 PM | 9:15 PM | 9:40 PM |
| May 15MDT | 8:59 PM | 9:36 PM | 9:59 PM |
| Jun 1MDT | 9:18 PM | 9:57 PM | 10:18 PM |
| Jun 15MDT | 9:28 PM | 10:08 PM | 10:28 PM |
| Jul 1MDT | 9:29 PM | 10:10 PM | 10:29 PM |
| Jul 15MDT | 9:22 PM | 10:00 PM | 10:22 PM |
| Aug 1MDT | 9:02 PM | 9:38 PM | 10:02 PM |
| Aug 15MDT | 8:40 PM | 9:14 PM | 9:40 PM |
| Sep 1MDT | 8:09 PM | 8:40 PM | 9:09 PM |
| Sep 15MDT | 7:40 PM | 8:11 PM | 8:40 PM |
| Oct 1MDT | 7:07 PM | 7:38 PM | 8:07 PM |
| Oct 15MDT | 6:40 PM | 7:11 PM | 7:40 PM |
Mornings at 5U5
When each night ends. Local time.
| Date | 1 hr before sunriseLandings stop counting | Civil twilight beginsNight logging ends | SunriseLights off |
|---|---|---|---|
| Nov 1MST | 6:12 AM | 6:40 AM | 7:12 AM |
| Nov 15MST | 6:33 AM | 7:00 AM | 7:33 AM |
| Dec 1MST | 6:56 AM | 7:20 AM | 7:56 AM |
| Dec 15MST | 7:10 AM | 7:34 AM | 8:10 AM |
| Jan 1MST | 7:16 AM | 7:40 AM | 8:16 AM |
| Jan 15MST | 7:12 AM | 7:37 AM | 8:12 AM |
| Feb 1MST | 6:55 AM | 7:22 AM | 7:55 AM |
| Feb 15MST | 6:34 AM | 7:02 AM | 7:34 AM |
| Mar 1MST | 6:09 AM | 6:38 AM | 7:09 AM |
| Mar 15MDT | 6:41 AM | 7:10 AM | 7:41 AM |
| Apr 1MDT | 6:07 AM | 6:36 AM | 7:07 AM |
| Apr 15MDT | 5:39 AM | 6:07 AM | 6:39 AM |
| May 1MDT | 5:11 AM | 5:36 AM | 6:11 AM |
| May 15MDT | 4:51 AM | 5:14 AM | 5:51 AM |
| Jun 1MDT | 4:34 AM | 4:55 AM | 5:34 AM |
| Jun 15MDT | 4:29 AM | 4:49 AM | 5:29 AM |
| Jul 1MDT | 4:34 AM | 4:54 AM | 5:34 AM |
| Jul 15MDT | 4:46 AM | 5:07 AM | 5:46 AM |
| Aug 1MDT | 5:05 AM | 5:29 AM | 6:05 AM |
| Aug 15MDT | 5:24 AM | 5:50 AM | 6:24 AM |
| Sep 1MDT | 5:46 AM | 6:14 AM | 6:46 AM |
| Sep 15MDT | 6:05 AM | 6:34 AM | 7:05 AM |
| Oct 1MDT | 6:27 AM | 6:56 AM | 7:27 AM |
| Oct 15MDT | 6:47 AM | 7:16 AM | 7:47 AM |
Lights and runways
As the FAA lists them. NOTAMs aren't included, so check current NOTAMs before you fly.
ACTVT LIRL RWY 18/36 - CTAF.
Runway 07/25
1,525 × 90 ft · Turf
Runway 18/36
3,800 × 40 ft · Asphalt
OTS INDEFLY. NSTD; SPACED 27 FT FM EDGE BOTH SIDES. THR LGTS SETBACK 2 FT FM PAVED THR.
Frequencies
Night at 5U5, in short
When can I log night time at 5U5?
From the end of evening civil twilight to the beginning of morning civil twilight, when the sun is 6° below the horizon (14 CFR 1.1). On the night of Nov 6, 2026, that was 5:35 PM to 6:49 AM MST.
When do landings at 5U5 count for night currency?
From one hour after sunset to one hour before sunrise. To carry passengers at night you need 3 takeoffs and 3 full-stop landings in that period within the last 90 days (14 CFR 61.57(b)). On the night of Nov 6, 2026, that was 6:03 PM to 6:21 AM MST.
When are position lights required at 5U5?
From sunset to sunrise (14 CFR 91.209(a)). On the night of Nov 6, 2026, that was 5:03 PM to 7:21 AM MST.
Nearby airports
- KCII Choteau Choteau, MT · 14 nm
- 5U1 Dutton Dutton, MT · 17 nm
- 3U5 Augusta Augusta, MT · 19 nm
- KGTF Great Falls International Great Falls, MT · 26 nm
- S01 Conrad Conrad, MT · 32 nm
- 3U7 Benchmark Augusta, MT · 37 nm
Times are worked out from the sun's position for a sea-level horizon, rounded to the minute. Airport data from the FAA NASR cycle of Oct 29, 2026.