D71 Beaver Lake night times
Big Lake, AK · Seaplane base
Night of Nov 6 to Nov 7AKST
Position lights
§ 91.2094:41 PMto8:47 AM
Sunset to sunrise. Lights on.
0141Z to 1747Z
Night logging
§ 1.15:31 PMto7:57 AM
Civil twilight. Log it as night.
0231Z to 1657Z
Night currency
§ 61.57(b)5:41 PMto7:47 AM
One hour after sunset. Landings count.
0241Z to 1647Z
Evenings at D71
When each night begins, through the year. Local time.
| Date | SunsetLights on | Civil twilight endsLog night | 1 hr after sunsetLandings count |
|---|---|---|---|
| Nov 1AKST | 4:55 PM | 5:43 PM | 5:55 PM |
| Nov 15AKST | 4:19 PM | 5:11 PM | 5:19 PM |
| Dec 1AKST | 3:47 PM | 4:47 PM | 4:47 PM |
| Dec 15AKST | 3:36 PM | 4:39 PM | 4:36 PM |
| Jan 1AKST | 3:49 PM | 4:51 PM | 4:49 PM |
| Jan 15AKST | 4:19 PM | 5:16 PM | 5:19 PM |
| Feb 1AKST | 5:05 PM | 5:55 PM | 6:05 PM |
| Feb 15AKST | 5:45 PM | 6:31 PM | 6:45 PM |
| Mar 1AKST | 6:24 PM | 7:08 PM | 7:24 PM |
| Mar 15AKDT | 8:01 PM | 8:45 PM | 9:01 PM |
| Apr 1AKDT | 8:46 PM | 9:32 PM | 9:46 PM |
| Apr 15AKDT | 9:23 PM | 10:13 PM | 10:23 PM |
| May 1AKDT | 10:07 PM | 11:05 PM | 11:07 PM |
| May 15AKDT | 10:44 PM | 11:58 PM | 11:44 PM |
| Jun 1AKDT | 11:25 PM | 1:25 AM | 12:25 AM |
| Jun 15AKDT | 11:45 PM | No night | 12:45 AM |
| Jul 1AKDT | 11:43 PM | No night | 12:43 AM |
| Jul 15AKDT | 11:22 PM | 12:59 AM | 12:22 AM |
| Aug 1AKDT | 10:40 PM | 11:47 PM | 11:40 PM |
| Aug 15AKDT | 10:00 PM | 10:55 PM | 11:00 PM |
| Sep 1AKDT | 9:07 PM | 9:54 PM | 10:07 PM |
| Sep 15AKDT | 8:22 PM | 9:06 PM | 9:22 PM |
| Oct 1AKDT | 7:30 PM | 8:14 PM | 8:30 PM |
| Oct 15AKDT | 6:46 PM | 7:31 PM | 7:46 PM |
Mornings at D71
When each night ends. Local time.
| Date | 1 hr before sunriseLandings stop counting | Civil twilight beginsNight logging ends | SunriseLights off |
|---|---|---|---|
| Nov 1AKST | 7:30 AM | 7:42 AM | 8:30 AM |
| Nov 15AKST | 8:09 AM | 8:16 AM | 9:09 AM |
| Dec 1AKST | 8:49 AM | 8:50 AM | 9:49 AM |
| Dec 15AKST | 9:13 AM | 9:10 AM | 10:13 AM |
| Jan 1AKST | 9:17 AM | 9:15 AM | 10:17 AM |
| Jan 15AKST | 9:00 AM | 9:03 AM | 10:00 AM |
| Feb 1AKST | 8:22 AM | 8:31 AM | 9:22 AM |
| Feb 15AKST | 7:43 AM | 7:57 AM | 8:43 AM |
| Mar 1AKST | 7:01 AM | 7:17 AM | 8:01 AM |
| Mar 15AKDT | 7:16 AM | 7:33 AM | 8:16 AM |
| Apr 1AKDT | 6:22 AM | 6:37 AM | 7:22 AM |
| Apr 15AKDT | 5:37 AM | 5:48 AM | 6:37 AM |
| May 1AKDT | 4:48 AM | 4:50 AM | 5:48 AM |
| May 15AKDT | 4:09 AM | 3:57 AM | 5:09 AM |
| Jun 1AKDT | 3:32 AM | 2:37 AM | 4:32 AM |
| Jun 15AKDT | 3:16 AM | No night | 4:16 AM |
| Jul 1AKDT | 3:22 AM | No night | 4:22 AM |
| Jul 15AKDT | 3:47 AM | 3:07 AM | 4:47 AM |
| Aug 1AKDT | 4:29 AM | 4:21 AM | 5:29 AM |
| Aug 15AKDT | 5:06 AM | 5:10 AM | 6:06 AM |
| Sep 1AKDT | 5:50 AM | 6:02 AM | 6:50 AM |
| Sep 15AKDT | 6:26 AM | 6:41 AM | 7:26 AM |
| Oct 1AKDT | 7:06 AM | 7:23 AM | 8:06 AM |
| Oct 15AKDT | 7:43 AM | 7:58 AM | 8:43 AM |
Lights and runways
As the FAA lists them. NOTAMs aren't included, so check current NOTAMs before you fly.
Runway 01W/19W
5,000 × 400 ft · Water
Frequencies
Night at D71, in short
When can I log night time at D71?
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 5:31 PM to 7:57 AM AKST.
When do landings at D71 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 5:41 PM to 7:47 AM AKST.
When are position lights required at D71?
From sunset to sunrise (14 CFR 91.209(a)), with a different rule in Alaska. On the night of Nov 6, 2026, that was 4:41 PM to 8:47 AM AKST.
Nearby airports
- PAGQ Big Lake Big Lake, AK · 3 nm
- L95 Jones Landing Big Lake, AK · 3 nm
- D75 Blodgett Lake Wasilla, AK · 5 nm
- T66 Visnaw Lake Wasilla, AK · 6 nm
- 3A3 Seymour Lake Wasilla, AK · 6 nm
- 6A7 Brocker Lake Big Lake, AK · 6 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.