{
  "name": "American Airlines",
  "callsign": {
    "name": "American",
    "length": 3
  },
  "aircraft": [
    ["A319", 27 ],

    ["A321", 29 ],

    ["B738", 245],
    
    ["B739", 12 ],
    ["B739", 97 ],

    ["B752", 77 ],

    ["B763", 58 ],
    ["B764", 16 ],

    ["B772", 47 ],
    ["B77W", 16 ],

  ]
}

{
  "name": "American Airlines",
  "callsign": {
    "name": "American",
    "length": 3
  },
  "aircraft": [
    ["A319", 27 ],

    ["A321", 29 ],

    ["B738", 245],
    
    ["B739", 12 ],
    ["B739", 97 ],

    ["B752", 77 ],

    ["B763", 58 ],
    ["B764", 16 ],

    ["B77E", 47 ],
    ["B77W", 16 ]

  ]
}

Fix AAL to use B77E
Fix AAL to use B77E
