KMSS Massena International-Richards Field night times
Massena, NY · FAA MSS
Night of Nov 6 to Nov 7EST
Position lights
§ 91.2094:41 PMto6:46 AM
Sunset to sunrise. Lights on.
2141Z to 1146Z
Night logging
§ 1.15:12 PMto6:15 AM
Civil twilight. Log it as night.
2212Z to 1115Z
Night currency
§ 61.57(b)5:41 PMto5:46 AM
One hour after sunset. Landings count.
2241Z to 1046Z
Evenings at KMSS
When each night begins, through the year. Local time.
| Date | SunsetLights on | Civil twilight endsLog night | 1 hr after sunsetLandings count |
|---|---|---|---|
| Nov 1EST | 4:47 PM | 5:18 PM | 5:47 PM |
| Nov 15EST | 4:31 PM | 5:02 PM | 5:31 PM |
| Dec 1EST | 4:19 PM | 4:53 PM | 5:19 PM |
| Dec 15EST | 4:19 PM | 4:52 PM | 5:19 PM |
| Jan 1EST | 4:29 PM | 5:02 PM | 5:29 PM |
| Jan 15EST | 4:44 PM | 5:17 PM | 5:44 PM |
| Feb 1EST | 5:07 PM | 5:38 PM | 6:07 PM |
| Feb 15EST | 5:27 PM | 5:57 PM | 6:27 PM |
| Mar 1EST | 5:47 PM | 6:16 PM | 6:47 PM |
| Mar 15EDT | 7:05 PM | 7:34 PM | 8:05 PM |
| Apr 1EDT | 7:27 PM | 7:57 PM | 8:27 PM |
| Apr 15EDT | 7:45 PM | 8:15 PM | 8:45 PM |
| May 1EDT | 8:05 PM | 8:37 PM | 9:05 PM |
| May 15EDT | 8:21 PM | 8:56 PM | 9:21 PM |
| Jun 1EDT | 8:39 PM | 9:15 PM | 9:39 PM |
| Jun 15EDT | 8:48 PM | 9:25 PM | 9:48 PM |
| Jul 1EDT | 8:50 PM | 9:27 PM | 9:50 PM |
| Jul 15EDT | 8:43 PM | 9:19 PM | 9:43 PM |
| Aug 1EDT | 8:26 PM | 9:00 PM | 9:26 PM |
| Aug 15EDT | 8:06 PM | 8:38 PM | 9:06 PM |
| Sep 1EDT | 7:37 PM | 8:07 PM | 8:37 PM |
| Sep 15EDT | 7:10 PM | 7:40 PM | 8:10 PM |
| Oct 1EDT | 6:40 PM | 7:09 PM | 7:40 PM |
| Oct 15EDT | 6:15 PM | 6:44 PM | 7:15 PM |
Mornings at KMSS
When each night ends. Local time.
| Date | 1 hr before sunriseLandings stop counting | Civil twilight beginsNight logging ends | SunriseLights off |
|---|---|---|---|
| Nov 1EST | 5:38 AM | 6:07 AM | 6:38 AM |
| Nov 15EST | 5:57 AM | 6:25 AM | 6:57 AM |
| Dec 1EST | 6:17 AM | 6:44 AM | 7:17 AM |
| Dec 15EST | 6:31 AM | 6:57 AM | 7:31 AM |
| Jan 1EST | 6:37 AM | 7:04 AM | 7:37 AM |
| Jan 15EST | 6:34 AM | 7:01 AM | 7:34 AM |
| Feb 1EST | 6:19 AM | 6:48 AM | 7:19 AM |
| Feb 15EST | 6:00 AM | 6:30 AM | 7:00 AM |
| Mar 1EST | 5:37 AM | 6:08 AM | 6:37 AM |
| Mar 15EDT | 6:12 AM | 6:43 AM | 7:12 AM |
| Apr 1EDT | 5:40 AM | 6:11 AM | 6:40 AM |
| Apr 15EDT | 5:15 AM | 5:45 AM | 6:15 AM |
| May 1EDT | 4:49 AM | 5:17 AM | 5:49 AM |
| May 15EDT | 4:31 AM | 4:57 AM | 5:31 AM |
| Jun 1EDT | 4:16 AM | 4:40 AM | 5:16 AM |
| Jun 15EDT | 4:12 AM | 4:35 AM | 5:12 AM |
| Jul 1EDT | 4:17 AM | 4:40 AM | 5:17 AM |
| Jul 15EDT | 4:27 AM | 4:51 AM | 5:27 AM |
| Aug 1EDT | 4:45 AM | 5:11 AM | 5:45 AM |
| Aug 15EDT | 5:01 AM | 5:29 AM | 6:01 AM |
| Sep 1EDT | 5:21 AM | 5:51 AM | 6:21 AM |
| Sep 15EDT | 5:38 AM | 6:08 AM | 6:38 AM |
| Oct 1EDT | 5:57 AM | 6:28 AM | 6:57 AM |
| Oct 15EDT | 6:15 AM | 6:45 AM | 7:15 AM |
Lights and runways
As the FAA lists them. NOTAMs aren't included, so check current NOTAMs before you fly.
421 FT LGTD/MKD TWR 6000 FT S OF ARPT.
ACTVT REIL RWY 05, 09 & 27; PAPI RWY 23, 27; HIRL RWY 05/23; MIRL RWY 09/27; TWY LGTS - CTAF. PAPI RWY 05 OPR CONSLY.
Runway 05/23
5,601 × 100 ft · Asphalt
Runway 09/27
4,000 × 100 ft · Asphalt
Frequencies
Night at KMSS, in short
When can I log night time at KMSS?
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 5:12 PM to 6:15 AM EST.
When do landings at KMSS 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 5:46 AM EST.
When are position lights required at KMSS?
From sunset to sunrise (14 CFR 91.209(a)). On the night of Nov 6, 2026, that was 4:41 PM to 6:46 AM EST.
Nearby airports
- KPTD Potsdam Municipal/Damon Field Potsdam, NY · 16 nm
- KMAL Malone-Dufort Malone, NY · 23 nm
- KOGS Ogdensburg International Ogdensburg, NY · 30 nm
- 1E8 Degrasse Moores Degrasse, NY · 34 nm
- CYOW Ottawa/Macdonald-Cartier International Ottawa · 42 nm
- KSLK Adirondack Regional Saranac Lake, NY · 43 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.