MLchartDataset catalogue

begin morning nautical twilight

Term · Defense and military · MLC-T-DEF-000173

The start of that period where, in good conditions and in the absence of other illumination, the sun is 12 degrees below the eastern horizon and enough light is available to identify the general outlines of ground objects and conduct limited military operations.

Table 1. Record
IdentifierMLC-T-DEF-000173
FieldDefense and military
ReferencesJP 3-09.3
Record as JSON 
{
  "id": "MLC-T-DEF-000173",
  "term": "begin morning nautical twilight",
  "field": "Defense and military",
  "definition": "The start of that period where, in good conditions and in the absence of other illumination, the sun is 12 degrees below the eastern horizon and enough light is available to identify the general outlines of ground objects and conduct limited military operations.",
  "references": [
    "JP 3-09.3"
  ],
  "url": "https://mlchart.com/terminology/defense/begin-morning-nautical-twilight/"
}

Record 173 of 1,781 in Defense and military terminology (MLC-0115). Request the full dataset.