25U Memaloose USFS night times
Imnaha, OR
Night of Nov 6 to Nov 7PST
Position lights
§ 91.2094:27 PMto6:35 AM
Sunset to sunrise. Lights on.
0027Z to 1435Z
Night logging
§ 1.14:58 PMto6:03 AM
Civil twilight. Log it as night.
0058Z to 1403Z
Night currency
§ 61.57(b)5:27 PMto5:35 AM
One hour after sunset. Landings count.
0127Z to 1335Z
Evenings at 25U
When each night begins, through the year. Local time.
| Date | SunsetLights on | Civil twilight endsLog night | 1 hr after sunsetLandings count |
|---|---|---|---|
| Nov 1PST | 4:34 PM | 5:05 PM | 5:34 PM |
| Nov 15PST | 4:16 PM | 4:49 PM | 5:16 PM |
| Dec 1PST | 4:05 PM | 4:39 PM | 5:05 PM |
| Dec 15PST | 4:04 PM | 4:38 PM | 5:04 PM |
| Jan 1PST | 4:14 PM | 4:48 PM | 5:14 PM |
| Jan 15PST | 4:30 PM | 5:03 PM | 5:30 PM |
| Feb 1PST | 4:54 PM | 5:25 PM | 5:54 PM |
| Feb 15PST | 5:14 PM | 5:44 PM | 6:14 PM |
| Mar 1PST | 5:34 PM | 6:03 PM | 6:34 PM |
| Mar 15PDT | 6:53 PM | 7:22 PM | 7:53 PM |
| Apr 1PDT | 7:15 PM | 7:45 PM | 8:15 PM |
| Apr 15PDT | 7:33 PM | 8:04 PM | 8:33 PM |
| May 1PDT | 7:53 PM | 8:26 PM | 8:53 PM |
| May 15PDT | 8:10 PM | 8:45 PM | 9:10 PM |
| Jun 1PDT | 8:28 PM | 9:05 PM | 9:28 PM |
| Jun 15PDT | 8:37 PM | 9:15 PM | 9:37 PM |
| Jul 1PDT | 8:39 PM | 9:16 PM | 9:39 PM |
| Jul 15PDT | 8:32 PM | 9:08 PM | 9:32 PM |
| Aug 1PDT | 8:15 PM | 8:49 PM | 9:15 PM |
| Aug 15PDT | 7:54 PM | 8:26 PM | 8:54 PM |
| Sep 1PDT | 7:24 PM | 7:55 PM | 8:24 PM |
| Sep 15PDT | 6:58 PM | 7:28 PM | 7:58 PM |
| Oct 1PDT | 6:27 PM | 6:57 PM | 7:27 PM |
| Oct 15PDT | 6:01 PM | 6:31 PM | 7:01 PM |
Mornings at 25U
When each night ends. Local time.
| Date | 1 hr before sunriseLandings stop counting | Civil twilight beginsNight logging ends | SunriseLights off |
|---|---|---|---|
| Nov 1PST | 5:26 AM | 5:56 AM | 6:26 AM |
| Nov 15PST | 5:46 AM | 6:14 AM | 6:46 AM |
| Dec 1PST | 6:06 AM | 6:33 AM | 7:06 AM |
| Dec 15PST | 6:20 AM | 6:46 AM | 7:20 AM |
| Jan 1PST | 6:27 AM | 6:53 AM | 7:27 AM |
| Jan 15PST | 6:23 AM | 6:50 AM | 7:23 AM |
| Feb 1PST | 6:08 AM | 6:36 AM | 7:08 AM |
| Feb 15PST | 5:48 AM | 6:18 AM | 6:48 AM |
| Mar 1PST | 5:25 AM | 5:55 AM | 6:25 AM |
| Mar 15PDT | 5:59 AM | 6:30 AM | 6:59 AM |
| Apr 1PDT | 5:27 AM | 5:57 AM | 6:27 AM |
| Apr 15PDT | 5:02 AM | 5:31 AM | 6:02 AM |
| May 1PDT | 4:35 AM | 5:03 AM | 5:35 AM |
| May 15PDT | 4:17 AM | 4:42 AM | 5:17 AM |
| Jun 1PDT | 4:02 AM | 4:25 AM | 5:02 AM |
| Jun 15PDT | 3:58 AM | 4:20 AM | 4:58 AM |
| Jul 1PDT | 4:02 AM | 4:25 AM | 5:02 AM |
| Jul 15PDT | 4:13 AM | 4:37 AM | 5:13 AM |
| Aug 1PDT | 4:31 AM | 4:57 AM | 5:31 AM |
| Aug 15PDT | 4:48 AM | 5:15 AM | 5:48 AM |
| Sep 1PDT | 5:08 AM | 5:38 AM | 6:08 AM |
| Sep 15PDT | 5:25 AM | 5:55 AM | 6:25 AM |
| Oct 1PDT | 5:45 AM | 6:15 AM | 6:45 AM |
| Oct 15PDT | 6:03 AM | 6:33 AM | 7:03 AM |
Lights and runways
As the FAA lists them. NOTAMs aren't included, so check current NOTAMs before you fly.
Runway 17/35
3,300 × 120 ft · Dirt
Frequencies
Night at 25U, in short
When can I log night time at 25U?
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 4:58 PM to 6:03 AM PST.
When do landings at 25U 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 5:27 PM to 5:35 AM PST.
When are position lights required at 25U?
From sunset to sunrise (14 CFR 91.209(a)). On the night of Nov 6, 2026, that was 4:27 PM to 6:35 AM PST.
Nearby airports
- O68 Sluice Creek Imnaha, OR · 5 nm
- 1DA Big Bar USFS Lucile, ID · 9 nm
- OR9 Lord Flat USFS Imnaha, OR · 15 nm
- O29 Pittsburg Landing Imnaha, OR · 15 nm
- 1S7 Slate Creek Slate Creek, ID · 22 nm
- OR8 Dug Bar USFS Imnaha, OR · 23 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.