T66 Visnaw Lake night times
Wasilla, AK · Seaplane base
Night of Nov 6 to Nov 7AKST
Position lights
§ 91.2094:40 PMto8:46 AM
Sunset to sunrise. Lights on.
0140Z to 1746Z
Night logging
§ 1.15:30 PMto7:56 AM
Civil twilight. Log it as night.
0230Z to 1656Z
Night currency
§ 61.57(b)5:40 PMto7:46 AM
One hour after sunset. Landings count.
0240Z to 1646Z
Evenings at T66
When each night begins, through the year. Local time.
| Date | SunsetLights on | Civil twilight endsLog night | 1 hr after sunsetLandings count |
|---|---|---|---|
| Nov 1AKST | 4:54 PM | 5:42 PM | 5:54 PM |
| Nov 15AKST | 4:18 PM | 5:10 PM | 5:18 PM |
| Dec 1AKST | 3:46 PM | 4:46 PM | 4:46 PM |
| Dec 15AKST | 3:35 PM | 4:38 PM | 4:35 PM |
| Jan 1AKST | 3:48 PM | 4:50 PM | 4:48 PM |
| Jan 15AKST | 4:17 PM | 5:15 PM | 5:17 PM |
| Feb 1AKST | 5:04 PM | 5:55 PM | 6:04 PM |
| Feb 15AKST | 5:44 PM | 6:31 PM | 6:44 PM |
| Mar 1AKST | 6:23 PM | 7:07 PM | 7:23 PM |
| Mar 15AKDT | 8:01 PM | 8:44 PM | 9:01 PM |
| Apr 1AKDT | 8:46 PM | 9:31 PM | 9:46 PM |
| Apr 15AKDT | 9:23 PM | 10:13 PM | 10:23 PM |
| May 1AKDT | 10:06 PM | 11:05 PM | 11:06 PM |
| May 15AKDT | 10:44 PM | 11:58 PM | 11:44 PM |
| Jun 1AKDT | 11:24 PM | 1:28 AM | 12:24 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 | 1:00 AM | 12:22 AM |
| Aug 1AKDT | 10:40 PM | 11:47 PM | 11:40 PM |
| Aug 15AKDT | 9:59 PM | 10:55 PM | 10:59 PM |
| Sep 1AKDT | 9:06 PM | 9:54 PM | 10:06 PM |
| Sep 15AKDT | 8:21 PM | 9:06 PM | 9:21 PM |
| Oct 1AKDT | 7:30 PM | 8:13 PM | 8:30 PM |
| Oct 15AKDT | 6:45 PM | 7:30 PM | 7:45 PM |
Mornings at T66
When each night ends. Local time.
| Date | 1 hr before sunriseLandings stop counting | Civil twilight beginsNight logging ends | SunriseLights off |
|---|---|---|---|
| Nov 1AKST | 7:29 AM | 7:41 AM | 8:29 AM |
| Nov 15AKST | 8:08 AM | 8:15 AM | 9:08 AM |
| Dec 1AKST | 8:49 AM | 8:50 AM | 9:49 AM |
| Dec 15AKST | 9:13 AM | 9:09 AM | 10:13 AM |
| Jan 1AKST | 9:17 AM | 9:15 AM | 10:17 AM |
| Jan 15AKST | 9:00 AM | 9:02 AM | 10:00 AM |
| Feb 1AKST | 8:21 AM | 8:31 AM | 9:21 AM |
| Feb 15AKST | 7:43 AM | 7:56 AM | 8:43 AM |
| Mar 1AKST | 7:00 AM | 7:16 AM | 8:00 AM |
| Mar 15AKDT | 7:16 AM | 7:32 AM | 8:16 AM |
| Apr 1AKDT | 6:21 AM | 6:36 AM | 7:21 AM |
| Apr 15AKDT | 5:36 AM | 5:47 AM | 6:36 AM |
| May 1AKDT | 4:47 AM | 4:49 AM | 5:47 AM |
| May 15AKDT | 4:08 AM | 3:55 AM | 5:08 AM |
| Jun 1AKDT | 3:30 AM | 2:34 AM | 4:30 AM |
| Jun 15AKDT | 3:14 AM | No night | 4:14 AM |
| Jul 1AKDT | 3:21 AM | No night | 4:21 AM |
| Jul 15AKDT | 3:46 AM | 3:05 AM | 4:46 AM |
| Aug 1AKDT | 4:28 AM | 4:20 AM | 5:28 AM |
| Aug 15AKDT | 5:05 AM | 5:09 AM | 6:05 AM |
| Sep 1AKDT | 5:49 AM | 6:02 AM | 6:49 AM |
| Sep 15AKDT | 6:25 AM | 6:40 AM | 7:25 AM |
| Oct 1AKDT | 7:06 AM | 7:22 AM | 8:06 AM |
| Oct 15AKDT | 7:42 AM | 7:58 AM | 8:42 AM |
Lights and runways
As the FAA lists them. NOTAMs aren't included, so check current NOTAMs before you fly.
Runway N/S
4,000 × 200 ft · Water
Frequencies
Night at T66, in short
When can I log night time at T66?
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 5:30 PM to 7:56 AM AKST.
When do landings at T66 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 5:40 PM to 7:46 AM AKST.
When are position lights required at T66?
From sunset to sunrise (14 CFR 91.209(a)), with a different rule in Alaska. On the night of Nov 6, 2026, that was 4:40 PM to 8:46 AM AKST.
Nearby airports
- 3A3 Seymour Lake Wasilla, AK · 0 nm
- 29A Island Lake Wasilla, AK · 2 nm
- D75 Blodgett Lake Wasilla, AK · 3 nm
- PAWS Wasilla Wasilla, AK · 5 nm
- D71 Beaver Lake Big Lake, AK · 6 nm
- PAGQ Big 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.