Y73 Stambaugh night times
Iron River, MI
Night of Nov 6 to Nov 7CST
Position lights
§ 91.2094:33 PMto6:44 AM
Sunset to sunrise. Lights on.
2233Z to 1244Z
Night logging
§ 1.15:05 PMto6:12 AM
Civil twilight. Log it as night.
2305Z to 1212Z
Night currency
§ 61.57(b)5:33 PMto5:44 AM
One hour after sunset. Landings count.
2333Z to 1144Z
Evenings at Y73
When each night begins, through the year. Local time.
| Date | SunsetLights on | Civil twilight endsLog night | 1 hr after sunsetLandings count |
|---|---|---|---|
| Nov 1CST | 4:40 PM | 5:11 PM | 5:40 PM |
| Nov 15CST | 4:22 PM | 4:55 PM | 5:22 PM |
| Dec 1CST | 4:11 PM | 4:45 PM | 5:11 PM |
| Dec 15CST | 4:09 PM | 4:44 PM | 5:09 PM |
| Jan 1CST | 4:20 PM | 4:54 PM | 5:20 PM |
| Jan 15CST | 4:35 PM | 5:09 PM | 5:35 PM |
| Feb 1CST | 5:00 PM | 5:32 PM | 6:00 PM |
| Feb 15CST | 5:20 PM | 5:51 PM | 6:20 PM |
| Mar 1CST | 5:41 PM | 6:11 PM | 6:41 PM |
| Mar 15CDT | 7:00 PM | 7:30 PM | 8:00 PM |
| Apr 1CDT | 7:23 PM | 7:53 PM | 8:23 PM |
| Apr 15CDT | 7:42 PM | 8:13 PM | 8:42 PM |
| May 1CDT | 8:03 PM | 8:36 PM | 9:03 PM |
| May 15CDT | 8:20 PM | 8:56 PM | 9:20 PM |
| Jun 1CDT | 8:38 PM | 9:16 PM | 9:38 PM |
| Jun 15CDT | 8:47 PM | 9:26 PM | 9:47 PM |
| Jul 1CDT | 8:49 PM | 9:28 PM | 9:49 PM |
| Jul 15CDT | 8:42 PM | 9:19 PM | 9:42 PM |
| Aug 1CDT | 8:24 PM | 8:59 PM | 9:24 PM |
| Aug 15CDT | 8:03 PM | 8:36 PM | 9:03 PM |
| Sep 1CDT | 7:33 PM | 8:04 PM | 8:33 PM |
| Sep 15CDT | 7:06 PM | 7:36 PM | 8:06 PM |
| Oct 1CDT | 6:35 PM | 7:05 PM | 7:35 PM |
| Oct 15CDT | 6:09 PM | 6:39 PM | 7:09 PM |
Mornings at Y73
When each night ends. Local time.
| Date | 1 hr before sunriseLandings stop counting | Civil twilight beginsNight logging ends | SunriseLights off |
|---|---|---|---|
| Nov 1CST | 5:35 AM | 6:04 AM | 6:35 AM |
| Nov 15CST | 5:55 AM | 6:23 AM | 6:55 AM |
| Dec 1CST | 6:16 AM | 6:42 AM | 7:16 AM |
| Dec 15CST | 6:30 AM | 6:55 AM | 7:30 AM |
| Jan 1CST | 6:37 AM | 7:02 AM | 7:37 AM |
| Jan 15CST | 6:33 AM | 6:59 AM | 7:33 AM |
| Feb 1CST | 6:17 AM | 6:45 AM | 7:17 AM |
| Feb 15CST | 5:57 AM | 6:27 AM | 6:57 AM |
| Mar 1CST | 5:34 AM | 6:04 AM | 6:34 AM |
| Mar 15CDT | 6:07 AM | 6:38 AM | 7:07 AM |
| Apr 1CDT | 5:35 AM | 6:04 AM | 6:35 AM |
| Apr 15CDT | 5:08 AM | 5:37 AM | 6:08 AM |
| May 1CDT | 4:42 AM | 5:08 AM | 5:42 AM |
| May 15CDT | 4:22 AM | 4:47 AM | 5:22 AM |
| Jun 1CDT | 4:07 AM | 4:30 AM | 5:07 AM |
| Jun 15CDT | 4:03 AM | 4:24 AM | 5:03 AM |
| Jul 1CDT | 4:07 AM | 4:29 AM | 5:07 AM |
| Jul 15CDT | 4:18 AM | 4:41 AM | 5:18 AM |
| Aug 1CDT | 4:37 AM | 5:02 AM | 5:37 AM |
| Aug 15CDT | 4:54 AM | 5:21 AM | 5:54 AM |
| Sep 1CDT | 5:15 AM | 5:44 AM | 6:15 AM |
| Sep 15CDT | 5:33 AM | 6:02 AM | 6:33 AM |
| Oct 1CDT | 5:53 AM | 6:23 AM | 6:53 AM |
| Oct 15CDT | 6:11 AM | 6:41 AM | 7:11 AM |
Lights and runways
As the FAA lists them. NOTAMs aren't included, so check current NOTAMs before you fly.
ACTVT NSTD REIL RWY 17 & 35; NSTD LIRL RWY 17/35 - 121.9.
Runway 17/35
2,000 × 40 ft · Asphalt
NSTD LIRL DUE TO LCTN 25 FT FROM RWY EDGE. THR LGTS LCTD OUTBOARD FM RWY EDGE.
NSTD REIL OMNIDIRECTIONAL.
Frequencies
Night at Y73, in short
When can I log night time at Y73?
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 6:12 AM CST.
When do landings at Y73 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 5:33 PM to 5:44 AM CST.
When are position lights required at Y73?
From sunset to sunrise (14 CFR 91.209(a)). On the night of Nov 6, 2026, that was 4:33 PM to 6:44 AM CST.
Nearby airports
- 50D Iron County Crystal Falls, MI · 16 nm
- KLNL Kings Land O' Lakes Land O' Lakes, WI · 24 nm
- 6Y9 Prickett-Grooms Field Sidnaw, MI · 26 nm
- 40D Three Lakes Municipal Three Lakes, WI · 27 nm
- KIMT Ford Iron Mountain Kingsford, MI · 27 nm
- KEGV Eagle River Union Eagle River, WI · 28 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.