9S4 Mineral County night times
Superior, MT
Night of Nov 6 to Nov 7MST
Position lights
§ 91.2095:15 PMto7:32 AM
Sunset to sunrise. Lights on.
0015Z to 1432Z
Night logging
§ 1.15:48 PMto6:59 AM
Civil twilight. Log it as night.
0048Z to 1359Z
Night currency
§ 61.57(b)6:15 PMto6:32 AM
One hour after sunset. Landings count.
0115Z to 1332Z
Evenings at 9S4
When each night begins, through the year. Local time.
| Date | SunsetLights on | Civil twilight endsLog night | 1 hr after sunsetLandings count |
|---|---|---|---|
| Nov 1MST | 5:23 PM | 5:55 PM | 6:23 PM |
| Nov 15MST | 5:04 PM | 5:37 PM | 6:04 PM |
| Dec 1MST | 4:52 PM | 5:26 PM | 5:52 PM |
| Dec 15MST | 4:50 PM | 5:26 PM | 5:50 PM |
| Jan 1MST | 5:00 PM | 5:36 PM | 6:00 PM |
| Jan 15MST | 5:17 PM | 5:51 PM | 6:17 PM |
| Feb 1MST | 5:42 PM | 6:14 PM | 6:42 PM |
| Feb 15MST | 6:03 PM | 6:35 PM | 7:03 PM |
| Mar 1MST | 6:25 PM | 6:55 PM | 7:25 PM |
| Mar 15MDT | 7:45 PM | 8:15 PM | 8:45 PM |
| Apr 1MDT | 8:09 PM | 8:40 PM | 9:09 PM |
| Apr 15MDT | 8:28 PM | 9:00 PM | 9:28 PM |
| May 1MDT | 8:50 PM | 9:25 PM | 9:50 PM |
| May 15MDT | 9:09 PM | 9:45 PM | 10:09 PM |
| Jun 1MDT | 9:27 PM | 10:06 PM | 10:27 PM |
| Jun 15MDT | 9:37 PM | 10:17 PM | 10:37 PM |
| Jul 1MDT | 9:39 PM | 10:18 PM | 10:39 PM |
| Jul 15MDT | 9:31 PM | 10:10 PM | 10:31 PM |
| Aug 1MDT | 9:12 PM | 9:48 PM | 10:12 PM |
| Aug 15MDT | 8:51 PM | 9:24 PM | 9:51 PM |
| Sep 1MDT | 8:19 PM | 8:51 PM | 9:19 PM |
| Sep 15MDT | 7:51 PM | 8:22 PM | 8:51 PM |
| Oct 1MDT | 7:19 PM | 7:49 PM | 8:19 PM |
| Oct 15MDT | 6:52 PM | 7:23 PM | 7:52 PM |
Mornings at 9S4
When each night ends. Local time.
| Date | 1 hr before sunriseLandings stop counting | Civil twilight beginsNight logging ends | SunriseLights off |
|---|---|---|---|
| Nov 1MST | 6:23 AM | 6:51 AM | 7:23 AM |
| Nov 15MST | 6:44 AM | 7:10 AM | 7:44 AM |
| Dec 1MST | 7:05 AM | 7:30 AM | 8:05 AM |
| Dec 15MST | 7:19 AM | 7:44 AM | 8:19 AM |
| Jan 1MST | 7:26 AM | 7:51 AM | 8:26 AM |
| Jan 15MST | 7:21 AM | 7:47 AM | 8:21 AM |
| Feb 1MST | 7:05 AM | 7:32 AM | 8:05 AM |
| Feb 15MST | 6:44 AM | 7:13 AM | 7:44 AM |
| Mar 1MST | 6:20 AM | 6:49 AM | 7:20 AM |
| Mar 15MDT | 6:52 AM | 7:22 AM | 7:52 AM |
| Apr 1MDT | 6:19 AM | 6:48 AM | 7:19 AM |
| Apr 15MDT | 5:51 AM | 6:19 AM | 6:51 AM |
| May 1MDT | 5:24 AM | 5:50 AM | 6:24 AM |
| May 15MDT | 5:04 AM | 5:27 AM | 6:04 AM |
| Jun 1MDT | 4:48 AM | 5:09 AM | 5:48 AM |
| Jun 15MDT | 4:43 AM | 5:03 AM | 5:43 AM |
| Jul 1MDT | 4:48 AM | 5:08 AM | 5:48 AM |
| Jul 15MDT | 4:59 AM | 5:21 AM | 5:59 AM |
| Aug 1MDT | 5:18 AM | 5:43 AM | 6:18 AM |
| Aug 15MDT | 5:36 AM | 6:03 AM | 6:36 AM |
| Sep 1MDT | 5:59 AM | 6:27 AM | 6:59 AM |
| Sep 15MDT | 6:17 AM | 6:46 AM | 7:17 AM |
| Oct 1MDT | 6:38 AM | 7:08 AM | 7:38 AM |
| Oct 15MDT | 6:58 AM | 7:27 AM | 7:58 AM |
Lights and runways
As the FAA lists them. NOTAMs aren't included, so check current NOTAMs before you fly.
Runway 12/30
3,450 × 75 ft · Asphalt
Frequencies
Night at 9S4, in short
When can I log night time at 9S4?
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 5:48 PM to 6:59 AM MST.
When do landings at 9S4 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 6:15 PM to 6:32 AM MST.
When are position lights required at 9S4?
From sunset to sunrise (14 CFR 91.209(a)). On the night of Nov 6, 2026, that was 5:15 PM to 7:32 AM MST.
Nearby airports
- S34 Plains Plains, MT · 18 nm
- S09 Hot Springs Hot Springs, MT · 28 nm
- KTHM Thompson Falls Thompson Falls, MT · 30 nm
- C64 Cayuse Creek USFS Cayuse Creek, ID · 31 nm
- 52S St Ignatius St Ignatius, MT · 33 nm
- KMSO Missoula Montana Missoula, MT · 35 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.