8U4 Spotted Bear /USFS/ night times
Spotted Bear, MT
Night of Nov 6 to Nov 7MST
Position lights
§ 91.2095:08 PMto7:29 AM
Sunset to sunrise. Lights on.
0008Z to 1429Z
Night logging
§ 1.15:41 PMto6:56 AM
Civil twilight. Log it as night.
0041Z to 1356Z
Night currency
§ 61.57(b)6:08 PMto6:29 AM
One hour after sunset. Landings count.
0108Z to 1329Z
Evenings at 8U4
When each night begins, through the year. Local time.
| Date | SunsetLights on | Civil twilight endsLog night | 1 hr after sunsetLandings count |
|---|---|---|---|
| Nov 1MST | 5:16 PM | 5:48 PM | 6:16 PM |
| Nov 15MST | 4:56 PM | 5:30 PM | 5:56 PM |
| Dec 1MST | 4:43 PM | 5:19 PM | 5:43 PM |
| Dec 15MST | 4:42 PM | 5:18 PM | 5:42 PM |
| Jan 1MST | 4:52 PM | 5:28 PM | 5:52 PM |
| Jan 15MST | 5:09 PM | 5:44 PM | 6:09 PM |
| Feb 1MST | 5:34 PM | 6:08 PM | 6:34 PM |
| Feb 15MST | 5:57 PM | 6:29 PM | 6:57 PM |
| Mar 1MST | 6:19 PM | 6:50 PM | 7:19 PM |
| Mar 15MDT | 7:40 PM | 8:11 PM | 8:40 PM |
| Apr 1MDT | 8:04 PM | 8:36 PM | 9:04 PM |
| Apr 15MDT | 8:24 PM | 8:57 PM | 9:24 PM |
| May 1MDT | 8:47 PM | 9:22 PM | 9:47 PM |
| May 15MDT | 9:06 PM | 9:43 PM | 10:06 PM |
| Jun 1MDT | 9:26 PM | 10:05 PM | 10:26 PM |
| Jun 15MDT | 9:35 PM | 10:17 PM | 10:35 PM |
| Jul 1MDT | 9:37 PM | 10:18 PM | 10:37 PM |
| Jul 15MDT | 9:29 PM | 10:08 PM | 10:29 PM |
| Aug 1MDT | 9:10 PM | 9:46 PM | 10:10 PM |
| Aug 15MDT | 8:47 PM | 9:21 PM | 9:47 PM |
| Sep 1MDT | 8:15 PM | 8:47 PM | 9:15 PM |
| Sep 15MDT | 7:47 PM | 8:18 PM | 8:47 PM |
| Oct 1MDT | 7:14 PM | 7:44 PM | 8:14 PM |
| Oct 15MDT | 6:46 PM | 7:17 PM | 7:46 PM |
Mornings at 8U4
When each night ends. Local time.
| Date | 1 hr before sunriseLandings stop counting | Civil twilight beginsNight logging ends | SunriseLights off |
|---|---|---|---|
| Nov 1MST | 6:19 AM | 6:47 AM | 7:19 AM |
| Nov 15MST | 6:41 AM | 7:07 AM | 7:41 AM |
| Dec 1MST | 7:03 AM | 7:28 AM | 8:03 AM |
| Dec 15MST | 7:17 AM | 7:41 AM | 8:17 AM |
| Jan 1MST | 7:24 AM | 7:48 AM | 8:24 AM |
| Jan 15MST | 7:19 AM | 7:44 AM | 8:19 AM |
| Feb 1MST | 7:02 AM | 7:29 AM | 8:02 AM |
| Feb 15MST | 6:41 AM | 7:09 AM | 7:41 AM |
| Mar 1MST | 6:15 AM | 6:44 AM | 7:15 AM |
| Mar 15MDT | 6:47 AM | 7:17 AM | 7:47 AM |
| Apr 1MDT | 6:13 AM | 6:41 AM | 7:13 AM |
| Apr 15MDT | 5:45 AM | 6:12 AM | 6:45 AM |
| May 1MDT | 5:16 AM | 5:42 AM | 6:16 AM |
| May 15MDT | 4:56 AM | 5:19 AM | 5:56 AM |
| Jun 1MDT | 4:39 AM | 4:59 AM | 5:39 AM |
| Jun 15MDT | 4:34 AM | 4:53 AM | 5:34 AM |
| Jul 1MDT | 4:39 AM | 4:58 AM | 5:39 AM |
| Jul 15MDT | 4:51 AM | 5:11 AM | 5:51 AM |
| Aug 1MDT | 5:11 AM | 5:34 AM | 6:11 AM |
| Aug 15MDT | 5:29 AM | 5:55 AM | 6:29 AM |
| Sep 1MDT | 5:52 AM | 6:20 AM | 6:52 AM |
| Sep 15MDT | 6:11 AM | 6:40 AM | 7:11 AM |
| Oct 1MDT | 6:33 AM | 7:02 AM | 7:33 AM |
| Oct 15MDT | 6:53 AM | 7:22 AM | 7:53 AM |
Lights and runways
As the FAA lists them. NOTAMs aren't included, so check current NOTAMs before you fly.
Runway 14/32
3,800 × 78 ft · Turf
Frequencies
Night at 8U4, in short
When can I log night time at 8U4?
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 5:41 PM to 6:56 AM MST.
When do landings at 8U4 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 6:08 PM to 6:29 AM MST.
When are position lights required at 8U4?
From sunset to sunrise (14 CFR 91.209(a)). On the night of Nov 6, 2026, that was 5:08 PM to 7:29 AM MST.
Nearby airports
- 0S1 Meadow Creek USFS Meadow Creek, MT · 9 nm
- 8U2 Schafer /USFS/ Schafer, MT · 14 nm
- 53U Ferndale Airfield Bigfork, MT · 19 nm
- S04 Condon USFS Condon, MT · 26 nm
- 8S1 Polson Polson, MT · 30 nm
- 7S0 Ronan Ronan, MT · 32 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.