{
  "title": "Fictional monitoring denominator exercise",
  "fictional": true,
  "guide": "https://yenra.com/flight-data/",
  "prepared": "2026-09-11",
  "purpose": "Educational summary records, not raw flight-recorder data or operational safety limits.",
  "fields": {
    "flight_id": "Synthetic flight identifier; deduplication key.",
    "samples_expected": "Expected observations in the synthetic one-minute window: 60.",
    "samples_present": "Number present; exercise eligibility requires 60.",
    "review_flag": "Preassigned Boolean review candidate with no aircraft-safety meaning."
  },
  "rules": [
    "Keep one record per flight_id; the duplicate in this exercise is identical.",
    "Retain complete records where samples_present equals samples_expected.",
    "Count flagged usable flights and divide by usable flights."
  ],
  "expected_results": {
    "received": 12,
    "unique": 11,
    "usable": 10,
    "flagged_usable": 2,
    "percent": 20,
    "duplicate": "F07",
    "incomplete": "F11",
    "flagged": [
      "F03",
      "F08"
    ]
  },
  "records": [
    {
      "flight_id": "F01",
      "samples_expected": 60,
      "samples_present": 60,
      "review_flag": false
    },
    {
      "flight_id": "F02",
      "samples_expected": 60,
      "samples_present": 60,
      "review_flag": false
    },
    {
      "flight_id": "F03",
      "samples_expected": 60,
      "samples_present": 60,
      "review_flag": true
    },
    {
      "flight_id": "F04",
      "samples_expected": 60,
      "samples_present": 60,
      "review_flag": false
    },
    {
      "flight_id": "F05",
      "samples_expected": 60,
      "samples_present": 60,
      "review_flag": false
    },
    {
      "flight_id": "F06",
      "samples_expected": 60,
      "samples_present": 60,
      "review_flag": false
    },
    {
      "flight_id": "F07",
      "samples_expected": 60,
      "samples_present": 60,
      "review_flag": false
    },
    {
      "flight_id": "F08",
      "samples_expected": 60,
      "samples_present": 60,
      "review_flag": true
    },
    {
      "flight_id": "F09",
      "samples_expected": 60,
      "samples_present": 60,
      "review_flag": false
    },
    {
      "flight_id": "F10",
      "samples_expected": 60,
      "samples_present": 60,
      "review_flag": false
    },
    {
      "flight_id": "F11",
      "samples_expected": 60,
      "samples_present": 42,
      "review_flag": false
    },
    {
      "flight_id": "F07",
      "samples_expected": 60,
      "samples_present": 60,
      "review_flag": false
    }
  ]
}