53U Ferndale Airfield night times
Bigfork, MT
Night of Nov 6 to Nov 7MST
Position lights
§ 91.2095:10 PMto7:31 AM
Sunset to sunrise. Lights on.
0010Z to 1431Z
Night logging
§ 1.15:43 PMto6:58 AM
Civil twilight. Log it as night.
0043Z to 1358Z
Night currency
§ 61.57(b)6:10 PMto6:31 AM
One hour after sunset. Landings count.
0110Z to 1331Z
Evenings at 53U
When each night begins, through the year. Local time.
| Date | SunsetLights on | Civil twilight endsLog night | 1 hr after sunsetLandings count |
|---|---|---|---|
| Nov 1MST | 5:17 PM | 5:50 PM | 6:17 PM |
| Nov 15MST | 4:58 PM | 5:32 PM | 5:58 PM |
| Dec 1MST | 4:45 PM | 5:20 PM | 5:45 PM |
| Dec 15MST | 4:43 PM | 5:19 PM | 5:43 PM |
| Jan 1MST | 4:53 PM | 5:30 PM | 5:53 PM |
| Jan 15MST | 5:10 PM | 5:45 PM | 6:10 PM |
| Feb 1MST | 5:36 PM | 6:09 PM | 6:36 PM |
| Feb 15MST | 5:58 PM | 6:30 PM | 6:58 PM |
| Mar 1MST | 6:20 PM | 6:51 PM | 7:20 PM |
| Mar 15MDT | 7:41 PM | 8:12 PM | 8:41 PM |
| Apr 1MDT | 8:06 PM | 8:38 PM | 9:06 PM |
| Apr 15MDT | 8:26 PM | 8:59 PM | 9:26 PM |
| May 1MDT | 8:49 PM | 9:24 PM | 9:49 PM |
| May 15MDT | 9:08 PM | 9:46 PM | 10:08 PM |
| Jun 1MDT | 9:28 PM | 10:08 PM | 10:28 PM |
| Jun 15MDT | 9:38 PM | 10:19 PM | 10:38 PM |
| Jul 1MDT | 9:39 PM | 10:20 PM | 10:39 PM |
| Jul 15MDT | 9:32 PM | 10:11 PM | 10:32 PM |
| Aug 1MDT | 9:12 PM | 9:48 PM | 10:12 PM |
| Aug 15MDT | 8:49 PM | 9:24 PM | 9:49 PM |
| Sep 1MDT | 8:17 PM | 8:49 PM | 9:17 PM |
| Sep 15MDT | 7:48 PM | 8:20 PM | 8:48 PM |
| Oct 1MDT | 7:15 PM | 7:46 PM | 8:15 PM |
| Oct 15MDT | 6:47 PM | 7:19 PM | 7:47 PM |
Mornings at 53U
When each night ends. Local time.
| Date | 1 hr before sunriseLandings stop counting | Civil twilight beginsNight logging ends | SunriseLights off |
|---|---|---|---|
| Nov 1MST | 6:21 AM | 6:49 AM | 7:21 AM |
| Nov 15MST | 6:43 AM | 7:09 AM | 7:43 AM |
| Dec 1MST | 7:05 AM | 7:30 AM | 8:05 AM |
| Dec 15MST | 7:20 AM | 7:43 AM | 8:20 AM |
| Jan 1MST | 7:26 AM | 7:50 AM | 8:26 AM |
| Jan 15MST | 7:21 AM | 7:46 AM | 8:21 AM |
| Feb 1MST | 7:04 AM | 7:31 AM | 8:04 AM |
| Feb 15MST | 6:43 AM | 7:11 AM | 7:43 AM |
| Mar 1MST | 6:17 AM | 6:46 AM | 7:17 AM |
| Mar 15MDT | 6:49 AM | 7:18 AM | 7:49 AM |
| Apr 1MDT | 6:14 AM | 6:43 AM | 7:14 AM |
| Apr 15MDT | 5:47 AM | 6:14 AM | 6:47 AM |
| May 1MDT | 5:18 AM | 5:43 AM | 6:18 AM |
| May 15MDT | 4:57 AM | 5:20 AM | 5:57 AM |
| Jun 1MDT | 4:41 AM | 5:01 AM | 5:41 AM |
| Jun 15MDT | 4:36 AM | 4:54 AM | 5:36 AM |
| Jul 1MDT | 4:40 AM | 4:59 AM | 5:40 AM |
| Jul 15MDT | 4:52 AM | 5:13 AM | 5:52 AM |
| Aug 1MDT | 5:12 AM | 5:35 AM | 6:12 AM |
| Aug 15MDT | 5:31 AM | 5:56 AM | 6:31 AM |
| Sep 1MDT | 5:54 AM | 6:22 AM | 6:54 AM |
| Sep 15MDT | 6:13 AM | 6:42 AM | 7:13 AM |
| Oct 1MDT | 6:35 AM | 7:04 AM | 7:35 AM |
| Oct 15MDT | 6:55 AM | 7:24 AM | 7:55 AM |
Lights and runways
As the FAA lists them. NOTAMs aren't included, so check current NOTAMs before you fly.
Runway 15/33
3,500 × 95 ft · Turf
Frequencies
Night at 53U, in short
When can I log night time at 53U?
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 5:43 PM to 6:58 AM MST.
When do landings at 53U 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 6:10 PM to 6:31 AM MST.
When are position lights required at 53U?
From sunset to sunrise (14 CFR 91.209(a)). On the night of Nov 6, 2026, that was 5:10 PM to 7:31 AM MST.
Nearby airports
- S27 Kalispell City Kalispell, MT · 14 nm
- KGPI Glacier Park International Kalispell, MT · 18 nm
- 8U4 Spotted Bear /USFS/ Spotted Bear, MT · 19 nm
- 8S1 Polson Polson, MT · 23 nm
- 58S Whitefish Whitefish, MT · 24 nm
- 0S1 Meadow Creek USFS Meadow Creek, MT · 27 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.