S97 Anderson Field night times
Brewster, WA
Night of Nov 6 to Nov 7PST
Position lights
§ 91.2094:32 PMto6:54 AM
Sunset to sunrise. Lights on.
0032Z to 1454Z
Night logging
§ 1.15:05 PMto6:21 AM
Civil twilight. Log it as night.
0105Z to 1421Z
Night currency
§ 61.57(b)5:32 PMto5:54 AM
One hour after sunset. Landings count.
0132Z to 1354Z
Evenings at S97
When each night begins, through the year. Local time.
| Date | SunsetLights on | Civil twilight endsLog night | 1 hr after sunsetLandings count |
|---|---|---|---|
| Nov 1PST | 4:40 PM | 5:12 PM | 5:40 PM |
| Nov 15PST | 4:21 PM | 4:55 PM | 5:21 PM |
| Dec 1PST | 4:07 PM | 4:43 PM | 5:07 PM |
| Dec 15PST | 4:06 PM | 4:42 PM | 5:06 PM |
| Jan 1PST | 4:16 PM | 4:52 PM | 5:16 PM |
| Jan 15PST | 4:33 PM | 5:08 PM | 5:33 PM |
| Feb 1PST | 4:59 PM | 5:32 PM | 5:59 PM |
| Feb 15PST | 5:21 PM | 5:53 PM | 6:21 PM |
| Mar 1PST | 5:43 PM | 6:14 PM | 6:43 PM |
| Mar 15PDT | 7:04 PM | 7:35 PM | 8:04 PM |
| Apr 1PDT | 7:29 PM | 8:01 PM | 8:29 PM |
| Apr 15PDT | 7:49 PM | 8:22 PM | 8:49 PM |
| May 1PDT | 8:12 PM | 8:47 PM | 9:12 PM |
| May 15PDT | 8:31 PM | 9:09 PM | 9:31 PM |
| Jun 1PDT | 8:51 PM | 9:31 PM | 9:51 PM |
| Jun 15PDT | 9:01 PM | 9:42 PM | 10:01 PM |
| Jul 1PDT | 9:02 PM | 9:43 PM | 10:02 PM |
| Jul 15PDT | 8:55 PM | 9:34 PM | 9:55 PM |
| Aug 1PDT | 8:35 PM | 9:11 PM | 9:35 PM |
| Aug 15PDT | 8:12 PM | 8:47 PM | 9:12 PM |
| Sep 1PDT | 7:40 PM | 8:12 PM | 8:40 PM |
| Sep 15PDT | 7:11 PM | 7:43 PM | 8:11 PM |
| Oct 1PDT | 6:38 PM | 7:09 PM | 7:38 PM |
| Oct 15PDT | 6:10 PM | 6:42 PM | 7:10 PM |
Mornings at S97
When each night ends. Local time.
| Date | 1 hr before sunriseLandings stop counting | Civil twilight beginsNight logging ends | SunriseLights off |
|---|---|---|---|
| Nov 1PST | 5:44 AM | 6:12 AM | 6:44 AM |
| Nov 15PST | 6:06 AM | 6:32 AM | 7:06 AM |
| Dec 1PST | 6:28 AM | 6:53 AM | 7:28 AM |
| Dec 15PST | 6:43 AM | 7:06 AM | 7:43 AM |
| Jan 1PST | 6:49 AM | 7:13 AM | 7:49 AM |
| Jan 15PST | 6:44 AM | 7:09 AM | 7:44 AM |
| Feb 1PST | 6:27 AM | 6:53 AM | 7:27 AM |
| Feb 15PST | 6:06 AM | 6:33 AM | 7:06 AM |
| Mar 1PST | 5:40 AM | 6:09 AM | 6:40 AM |
| Mar 15PDT | 6:12 AM | 6:41 AM | 7:12 AM |
| Apr 1PDT | 5:37 AM | 6:06 AM | 6:37 AM |
| Apr 15PDT | 5:09 AM | 5:37 AM | 6:09 AM |
| May 1PDT | 4:41 AM | 5:06 AM | 5:41 AM |
| May 15PDT | 4:20 AM | 4:43 AM | 5:20 AM |
| Jun 1PDT | 4:03 AM | 4:23 AM | 5:03 AM |
| Jun 15PDT | 3:58 AM | 4:17 AM | 4:58 AM |
| Jul 1PDT | 4:03 AM | 4:22 AM | 5:03 AM |
| Jul 15PDT | 4:15 AM | 4:35 AM | 5:15 AM |
| Aug 1PDT | 4:35 AM | 4:58 AM | 5:35 AM |
| Aug 15PDT | 4:53 AM | 5:19 AM | 5:53 AM |
| Sep 1PDT | 5:17 AM | 5:44 AM | 6:17 AM |
| Sep 15PDT | 5:36 AM | 6:05 AM | 6:36 AM |
| Oct 1PDT | 5:58 AM | 6:27 AM | 6:58 AM |
| Oct 15PDT | 6:18 AM | 6:47 AM | 7:18 AM |
Lights and runways
As the FAA lists them. NOTAMs aren't included, so check current NOTAMs before you fly.
TWY LGTS ON CNTR TWY ONLY.
ACTVT MIRL RY 07/25 - CTAF.
LIT IN NON-DAYLIGHT HOURS
Runway 07/25
4,000 × 60 ft · Asphalt
Frequencies
Night at S97, in short
When can I log night time at S97?
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 5:05 PM to 6:21 AM PST.
When do landings at S97 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 5:32 PM to 5:54 AM PST.
When are position lights required at S97?
From sunset to sunrise (14 CFR 91.209(a)). On the night of Nov 6, 2026, that was 4:32 PM to 6:54 AM PST.
Nearby airports
- S35 Okanogan Legion Okanogan, WA · 17 nm
- S10 Lake Chelan Chelan, WA · 17 nm
- 8W3 Mansfield Mansfield, WA · 18 nm
- 2S0 Twisp Municipal Twisp, WA · 21 nm
- KOMK Omak Omak, WA · 23 nm
- S52 Methow Valley State Winthrop, WA · 26 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.