LogNight

12I Brookville Reservoir night times

Brookville, IN · Seaplane base

Night of Nov 6 to Nov 7EST

Position lights

§ 91.209

5:33 PMto7:15 AM

Sunset to sunrise. Lights on.

2233Z to 1215Z

Night logging

§ 1.1

6:01 PMto6:47 AM

Civil twilight. Log it as night.

2301Z to 1147Z

Night currency

§ 61.57(b)

6:33 PMto6:15 AM

One hour after sunset. Landings count.

2333Z to 1115Z

Other dates, moon, and night hours

Evenings at 12I

When each night begins, through the year. Local time.

Date SunsetLights onCivil twilight endsLog night1 hr after sunsetLandings count
Nov 1EST 5:38 PM6:06 PM6:38 PM
Nov 15EST 5:25 PM5:53 PM6:25 PM
Dec 1EST 5:17 PM5:46 PM6:17 PM
Dec 15EST 5:17 PM5:47 PM6:17 PM
Jan 1EST 5:27 PM5:57 PM6:27 PM
Jan 15EST 5:40 PM6:10 PM6:40 PM
Feb 1EST 6:00 PM6:28 PM7:00 PM
Feb 15EST 6:16 PM6:44 PM7:16 PM
Mar 1EST 6:32 PM6:59 PM7:32 PM
Mar 15EDT 7:47 PM8:14 PM8:47 PM
Apr 1EDT 8:04 PM8:31 PM9:04 PM
Apr 15EDT 8:18 PM8:46 PM9:18 PM
May 1EDT 8:34 PM9:03 PM9:34 PM
May 15EDT 8:47 PM9:18 PM9:47 PM
Jun 1EDT 9:01 PM9:33 PM10:01 PM
Jun 15EDT 9:09 PM9:42 PM10:09 PM
Jul 1EDT 9:11 PM9:44 PM10:11 PM
Jul 15EDT 9:07 PM9:38 PM10:07 PM
Aug 1EDT 8:53 PM9:23 PM9:53 PM
Aug 15EDT 8:36 PM9:05 PM9:36 PM
Sep 1EDT 8:11 PM8:39 PM9:11 PM
Sep 15EDT 7:49 PM8:16 PM8:49 PM
Oct 1EDT 7:23 PM7:49 PM8:23 PM
Oct 15EDT 7:01 PM7:28 PM8:01 PM

Mornings at 12I

When each night ends. Local time.

Date 1 hr before sunriseLandings stop countingCivil twilight beginsNight logging endsSunriseLights off
Nov 1EST 6:08 AM6:41 AM7:08 AM
Nov 15EST 6:24 AM6:55 AM7:24 AM
Dec 1EST 6:41 AM7:12 AM7:41 AM
Dec 15EST 6:53 AM7:23 AM7:53 AM
Jan 1EST 7:01 AM7:30 AM8:01 AM
Jan 15EST 6:59 AM7:29 AM7:59 AM
Feb 1EST 6:48 AM7:19 AM7:48 AM
Feb 15EST 6:32 AM7:05 AM7:32 AM
Mar 1EST 6:13 AM6:46 AM7:13 AM
Mar 15EDT 6:52 AM7:25 AM7:52 AM
Apr 1EDT 6:25 AM6:57 AM7:25 AM
Apr 15EDT 6:03 AM6:35 AM7:03 AM
May 1EDT 5:41 AM6:12 AM6:41 AM
May 15EDT 5:26 AM5:56 AM6:26 AM
Jun 1EDT 5:15 AM5:43 AM6:15 AM
Jun 15EDT 5:12 AM5:40 AM6:12 AM
Jul 1EDT 5:16 AM5:44 AM6:16 AM
Jul 15EDT 5:25 AM5:54 AM6:25 AM
Aug 1EDT 5:39 AM6:09 AM6:39 AM
Aug 15EDT 5:52 AM6:24 AM6:52 AM
Sep 1EDT 6:08 AM6:41 AM7:08 AM
Sep 15EDT 6:21 AM6:54 AM7:21 AM
Oct 1EDT 6:36 AM7:09 AM7:36 AM
Oct 15EDT 6:50 AM7:23 AM7:50 AM

Lights and runways

As the FAA lists them. NOTAMs aren't included, so check current NOTAMs before you fly.

Field elevation 748 ft MSL
Airport lights Not listed
Beacon Not listed
Wind indicator Not listed

SEAPLANE OPS NA SS-SR.

Runway 18W/36W

16,000 × 2000 ft · Water

Edge lights Not listed
18W None listed
36W None listed

Frequencies

CTAF 122.9

Night at 12I, in short

When can I log night time at 12I?

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 6:01 PM to 6:47 AM EST.

When do landings at 12I 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 6:33 PM to 6:15 AM EST.

When are position lights required at 12I?

From sunset to sunrise (14 CFR 91.209(a)). On the night of Nov 6, 2026, that was 5:33 PM to 7:15 AM EST.

Nearby airports

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.