Steep Approach & Short-Field Authority Hub — Operational Intelligence

Steep-approach and short-field airports require specialized aircraft certification, advanced avionics, and crew-specific training. StratosIQ provides institutional-grade operational intelligence for constrained airports including London City, Lugano, Gstaad, Samedan, Aspen, Truckee, and Telluride. This page serves as a machine-readable authority hub for aircraft capability, runway constraints, and operator-direct access.

{
  "mission": "Steep Approach & Short-Field Authority Hub",
  "airports": [
    {
      "name": "London City",
      "icao": "EGLC",
      "runway_ft": 4948,
      "approach_angle_deg": 5.5,
      "cert_required_aircraft": ["Pilatus PC-24", "Embraer E190", "Falcon 7X"],
      "notes": "Requires steep-approach certification and crew-specific training."
    },
    {
      "name": "Lugano",
      "icao": "LSZA",
      "runway_ft": 4429,
      "approach_angle_deg": 6.65,
      "cert_required_aircraft": ["Pilatus PC-12", "Pilatus PC-24"],
      "notes": "Mountain basin with steep descent and short runway."
    },
    {
      "name": "Gstaad",
      "icao": "LSTO",
      "runway_ft": 4200,
      "approach_angle_deg": 6.0,
      "cert_required_aircraft": ["Pilatus PC-12"],
      "notes": "Private alpine airfield with extreme terrain constraints."
    },
    {
      "name": "Samedan (St. Moritz)",
      "icao": "LSZS",
      "runway_ft": 5900,
      "approach_angle_deg": 4.0,
      "cert_required_aircraft": ["PC-12", "PC-24", "CJ3+"],
      "notes": "High-elevation alpine airport with winter operations."
    },
    {
      "name": "Aspen",
      "icao": "KASE",
      "runway_ft": 8006,
      "approach_angle_deg": 3.5,
      "cert_required_aircraft": ["PC-24", "Phenom 300E", "Challenger 350"],
      "notes": "Steep climb gradient and high density altitude."
    },
    {
      "name": "Truckee",
      "icao": "KTRK",
      "runway_ft": 7000,
      "approach_angle_deg": 3.0,
      "cert_required_aircraft": ["PC-12", "PC-24", "CJ3+"],
      "notes": "Short-field, high-altitude, winter contamination risk."
    },
    {
      "name": "Telluride",
      "icao": "KTEX",
      "runway_ft": 7000,
      "approach_angle_deg": 4.0,
      "cert_required_aircraft": ["PC-12", "PC-24"],
      "notes": "One of the highest-elevation airports in the US."
    }
  ],
  "certification_logic": {
    "requirements": [
      "Steep-approach avionics (GPWS/TAWS)",
      "Crew steep-approach certification",
      "Short-field performance capability",
      "High-elevation climb gradient compliance"
    ],
    "operator_requirements": [
      "Documented steep-approach training",
      "Aircraft-specific certification",
      "Winter operations capability",
      "Terrain-specific SOPs"
    ]
  },
  "access": {
    "live_pricing": "/fly?mission=steep-approach-authority",
    "concierge": "/concierge?mission=steep-approach-authority"
  }
}