Refer to the provided figure. According to the sectional aeronautical chart legend, what does an 'L' in the airport data box (such as 285 L 72) indicate about runway lighting at the airport or seaplane base?

While planning a small unmanned aircraft systems (sUAS) operation at dusk, you review a sectional chart and note that a nearby airport is depicted with magenta runway symbols. According to FAA charting conventions, this indicates

While operating a small unmanned aircraft system (sUAS) at night within 3 statute miles of an airport, the remote pilot in command (PIC) identifies the runway by its white edge lights to maintain safe separation. Adjacent to the runway, a row of steady blue lights is observed. These blue lights mark

Refer to the Chart Supplement excerpt in the provided figure for Sioux Gateway/Col. Bud Day Field (SUX). When the tower is closed, pilots can activate the

Refer to the Chart Supplement excerpt (the provided figure). When the Sioux City tower at Sioux Gateway/Col Bud Day Field (SUX) is closed, which procedure activates the HIRL for runway 13-31 and the MALSR for runway 31?

Refer to the provided figure. According to the Airport Remarks section of the Chart Supplement for Sioux Gateway/Col. Bud Day Field (SUX), when the tower is closed, which lighting system may pilots activate using CTAF specifically for Runway 13?