5U7 Fort Smith Landing Strip night times
Fort Smith, MT
Night of Nov 6 to Nov 7MST
Position lights
§ 91.2094:52 PMto6:59 AM
Sunset to sunrise. Lights on.
2352Z to 1359Z
Night logging
§ 1.15:23 PMto6:28 AM
Civil twilight. Log it as night.
0023Z to 1328Z
Night currency
§ 61.57(b)5:52 PMto5:59 AM
One hour after sunset. Landings count.
0052Z to 1259Z
Evenings at 5U7
When each night begins, through the year. Local time.
| Date | SunsetLights on | Civil twilight endsLog night | 1 hr after sunsetLandings count |
|---|---|---|---|
| Nov 1MST | 4:59 PM | 5:30 PM | 5:59 PM |
| Nov 15MST | 4:42 PM | 5:14 PM | 5:42 PM |
| Dec 1MST | 4:30 PM | 5:04 PM | 5:30 PM |
| Dec 15MST | 4:29 PM | 5:04 PM | 5:29 PM |
| Jan 1MST | 4:40 PM | 5:14 PM | 5:40 PM |
| Jan 15MST | 4:55 PM | 5:28 PM | 5:55 PM |
| Feb 1MST | 5:19 PM | 5:50 PM | 6:19 PM |
| Feb 15MST | 5:39 PM | 6:09 PM | 6:39 PM |
| Mar 1MST | 5:59 PM | 6:28 PM | 6:59 PM |
| Mar 15MDT | 7:18 PM | 7:47 PM | 8:18 PM |
| Apr 1MDT | 7:40 PM | 8:10 PM | 8:40 PM |
| Apr 15MDT | 7:58 PM | 8:29 PM | 8:58 PM |
| May 1MDT | 8:18 PM | 8:51 PM | 9:18 PM |
| May 15MDT | 8:35 PM | 9:10 PM | 9:35 PM |
| Jun 1MDT | 8:52 PM | 9:29 PM | 9:52 PM |
| Jun 15MDT | 9:02 PM | 9:39 PM | 10:02 PM |
| Jul 1MDT | 9:03 PM | 9:41 PM | 10:03 PM |
| Jul 15MDT | 8:57 PM | 9:33 PM | 9:57 PM |
| Aug 1MDT | 8:39 PM | 9:13 PM | 9:39 PM |
| Aug 15MDT | 8:19 PM | 8:51 PM | 9:19 PM |
| Sep 1MDT | 7:49 PM | 8:20 PM | 8:49 PM |
| Sep 15MDT | 7:23 PM | 7:52 PM | 8:23 PM |
| Oct 1MDT | 6:52 PM | 7:22 PM | 7:52 PM |
| Oct 15MDT | 6:27 PM | 6:56 PM | 7:27 PM |
Mornings at 5U7
When each night ends. Local time.
| Date | 1 hr before sunriseLandings stop counting | Civil twilight beginsNight logging ends | SunriseLights off |
|---|---|---|---|
| Nov 1MST | 5:51 AM | 6:20 AM | 6:51 AM |
| Nov 15MST | 6:11 AM | 6:39 AM | 7:11 AM |
| Dec 1MST | 6:31 AM | 6:58 AM | 7:31 AM |
| Dec 15MST | 6:44 AM | 7:10 AM | 7:44 AM |
| Jan 1MST | 6:51 AM | 7:17 AM | 7:51 AM |
| Jan 15MST | 6:47 AM | 7:14 AM | 7:47 AM |
| Feb 1MST | 6:32 AM | 7:01 AM | 7:32 AM |
| Feb 15MST | 6:13 AM | 6:43 AM | 7:13 AM |
| Mar 1MST | 5:50 AM | 6:20 AM | 6:50 AM |
| Mar 15MDT | 6:24 AM | 6:55 AM | 7:24 AM |
| Apr 1MDT | 5:52 AM | 6:22 AM | 6:52 AM |
| Apr 15MDT | 5:27 AM | 5:56 AM | 6:27 AM |
| May 1MDT | 5:00 AM | 5:28 AM | 6:00 AM |
| May 15MDT | 4:42 AM | 5:07 AM | 5:42 AM |
| Jun 1MDT | 4:27 AM | 4:51 AM | 5:27 AM |
| Jun 15MDT | 4:23 AM | 4:45 AM | 5:23 AM |
| Jul 1MDT | 4:28 AM | 4:50 AM | 5:28 AM |
| Jul 15MDT | 4:38 AM | 5:02 AM | 5:38 AM |
| Aug 1MDT | 4:56 AM | 5:22 AM | 5:56 AM |
| Aug 15MDT | 5:13 AM | 5:40 AM | 6:13 AM |
| Sep 1MDT | 5:33 AM | 6:03 AM | 6:33 AM |
| Sep 15MDT | 5:50 AM | 6:20 AM | 6:50 AM |
| Oct 1MDT | 6:10 AM | 6:40 AM | 7:10 AM |
| Oct 15MDT | 6:28 AM | 6:58 AM | 7:28 AM |
Lights and runways
As the FAA lists them. NOTAMs aren't included, so check current NOTAMs before you fly.
Runway 07/25
3,827 × 50 ft · Asphalt
Frequencies
Night at 5U7, in short
When can I log night time at 5U7?
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 5:23 PM to 6:28 AM MST.
When do landings at 5U7 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 5:52 PM to 5:59 AM MST.
When are position lights required at 5U7?
From sunset to sunrise (14 CFR 91.209(a)). On the night of Nov 6, 2026, that was 4:52 PM to 6:59 AM MST.
Nearby airports
- 00U Big Horn County Hardin, MT · 28 nm
- U68 North Big Horn County Cowley/Lovell/Byron, WY · 33 nm
- KBIL Billings Logan International Billings, MT · 39 nm
- 6S8 Laurel Municipal Laurel, MT · 42 nm
- 6S1 Bridger Municipal Bridger, MT · 42 nm
- KPOY Powell Municipal Powell, WY · 46 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.