6Y9 Prickett-Grooms Field night times
Sidnaw, MI
Night of Nov 6 to Nov 7EST
Position lights
§ 91.2095:32 PMto7:45 AM
Sunset to sunrise. Lights on.
2232Z to 1245Z
Night logging
§ 1.16:04 PMto7:13 AM
Civil twilight. Log it as night.
2304Z to 1213Z
Night currency
§ 61.57(b)6:32 PMto6:45 AM
One hour after sunset. Landings count.
2332Z to 1145Z
Evenings at 6Y9
When each night begins, through the year. Local time.
| Date | SunsetLights on | Civil twilight endsLog night | 1 hr after sunsetLandings count |
|---|---|---|---|
| Nov 1EST | 5:40 PM | 6:11 PM | 6:40 PM |
| Nov 15EST | 5:21 PM | 5:54 PM | 6:21 PM |
| Dec 1EST | 5:09 PM | 5:44 PM | 6:09 PM |
| Dec 15EST | 5:08 PM | 5:43 PM | 6:08 PM |
| Jan 1EST | 5:18 PM | 5:53 PM | 6:18 PM |
| Jan 15EST | 5:34 PM | 6:08 PM | 6:34 PM |
| Feb 1EST | 5:59 PM | 6:31 PM | 6:59 PM |
| Feb 15EST | 6:20 PM | 6:51 PM | 7:20 PM |
| Mar 1EST | 6:41 PM | 7:11 PM | 7:41 PM |
| Mar 15EDT | 8:00 PM | 8:30 PM | 9:00 PM |
| Apr 1EDT | 8:24 PM | 8:54 PM | 9:24 PM |
| Apr 15EDT | 8:43 PM | 9:14 PM | 9:43 PM |
| May 1EDT | 9:04 PM | 9:38 PM | 10:04 PM |
| May 15EDT | 9:22 PM | 9:58 PM | 10:22 PM |
| Jun 1EDT | 9:40 PM | 10:18 PM | 10:40 PM |
| Jun 15EDT | 9:50 PM | 10:29 PM | 10:50 PM |
| Jul 1EDT | 9:51 PM | 10:30 PM | 10:51 PM |
| Jul 15EDT | 9:44 PM | 10:22 PM | 10:44 PM |
| Aug 1EDT | 9:26 PM | 10:01 PM | 10:26 PM |
| Aug 15EDT | 9:05 PM | 9:38 PM | 10:05 PM |
| Sep 1EDT | 8:34 PM | 9:05 PM | 9:34 PM |
| Sep 15EDT | 8:07 PM | 8:37 PM | 9:07 PM |
| Oct 1EDT | 7:35 PM | 8:05 PM | 8:35 PM |
| Oct 15EDT | 7:08 PM | 7:39 PM | 8:08 PM |
Mornings at 6Y9
When each night ends. Local time.
| Date | 1 hr before sunriseLandings stop counting | Civil twilight beginsNight logging ends | SunriseLights off |
|---|---|---|---|
| Nov 1EST | 6:37 AM | 7:05 AM | 7:37 AM |
| Nov 15EST | 6:57 AM | 7:24 AM | 7:57 AM |
| Dec 1EST | 7:18 AM | 7:44 AM | 8:18 AM |
| Dec 15EST | 7:32 AM | 7:57 AM | 8:32 AM |
| Jan 1EST | 7:39 AM | 8:04 AM | 8:39 AM |
| Jan 15EST | 7:35 AM | 8:01 AM | 8:35 AM |
| Feb 1EST | 7:19 AM | 7:46 AM | 8:19 AM |
| Feb 15EST | 6:59 AM | 7:28 AM | 7:59 AM |
| Mar 1EST | 6:34 AM | 7:04 AM | 7:34 AM |
| Mar 15EDT | 7:08 AM | 7:38 AM | 8:08 AM |
| Apr 1EDT | 6:35 AM | 7:04 AM | 7:35 AM |
| Apr 15EDT | 6:08 AM | 6:37 AM | 7:08 AM |
| May 1EDT | 5:41 AM | 6:07 AM | 6:41 AM |
| May 15EDT | 5:21 AM | 5:46 AM | 6:21 AM |
| Jun 1EDT | 5:06 AM | 5:28 AM | 6:06 AM |
| Jun 15EDT | 5:01 AM | 5:22 AM | 6:01 AM |
| Jul 1EDT | 5:06 AM | 5:27 AM | 6:06 AM |
| Jul 15EDT | 5:17 AM | 5:39 AM | 6:17 AM |
| Aug 1EDT | 5:36 AM | 6:01 AM | 6:36 AM |
| Aug 15EDT | 5:53 AM | 6:20 AM | 6:53 AM |
| Sep 1EDT | 6:15 AM | 6:43 AM | 7:15 AM |
| Sep 15EDT | 6:33 AM | 7:02 AM | 7:33 AM |
| Oct 1EDT | 6:53 AM | 7:23 AM | 7:53 AM |
| Oct 15EDT | 7:12 AM | 7:42 AM | 8:12 AM |
Lights and runways
As the FAA lists them. NOTAMs aren't included, so check current NOTAMs before you fly.
Runway 10/28
2,600 × 100 ft · Turf
Frequencies
Night at 6Y9, in short
When can I log night time at 6Y9?
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 6:04 PM to 7:13 AM EST.
When do landings at 6Y9 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 6:32 PM to 6:45 AM EST.
When are position lights required at 6Y9?
From sunset to sunrise (14 CFR 91.209(a)). On the night of Nov 6, 2026, that was 5:32 PM to 7:45 AM EST.
Nearby airports
- Y73 Stambaugh Iron River, MI · 26 nm
- KLNL Kings Land O' Lakes Land O' Lakes, WI · 30 nm
- KOGM Ontonagon County/Schuster Field Ontonagon, MI · 34 nm
- 50D Iron County Crystal Falls, MI · 35 nm
- M61 Edward F Johnson Ishpeming, MI · 39 nm
- KCMX Houghton County Memorial Hancock, MI · 41 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.