{ "$schema": "https://json-structure.org/meta/core/v0/#", "$id": "https://raw.githubusercontent.com/api-evangelist/aerodatabox/refs/heads/main/json-structure/aerodatabox-flight-aircraft-contract-structure.json", "description": "Flight's aircraft reference contract", "type": "object", "properties": { "reg": { "type": "string", "description": "Tail-number of the aircraft", "nullable": true }, "modeS": { "type": "string", "description": "ICAO 24 bit Mode-S hexadecimal transponder address", "nullable": true }, "model": { "type": "string", "description": "Aircraft name and model", "nullable": true }, "image": { "$ref": "#/components/schemas/ResourceContract" } }, "additionalProperties": false, "name": "FlightAircraftContract" }