import type { Airport } from './airport.js';
import type { Position } from './position.js';
import type { AircraftRegistration } from './index.js';
/**
 * ICAO/FAA aircraft category codes mapped to human-readable labels.
 *
 * The letter prefix indicates the broad grouping:
 * - `A` - airborne powered aircraft
 * - `B` - airborne unpowered or special-category aircraft
 * - `C` - surface vehicles and fixed obstacles
 */
export declare const AircraftCategory: {
    readonly A0: "unknown";
    readonly A1: "light";
    readonly A2: "small";
    readonly A3: "large";
    readonly A4: "highVortexLarge";
    readonly A5: "heavy";
    readonly A6: "highPerformance";
    readonly A7: "rotorcraft";
    readonly B1: "glider";
    readonly B2: "lighterThanAir";
    readonly B3: "parachutist";
    readonly B4: "ultralight";
    readonly B6: "uav";
    readonly B7: "spaceVehicle";
    readonly C1: "surfaceEmergencyVehicle";
    readonly C2: "surfaceServiceVehicle";
    readonly C3: "pointObstacle";
    readonly C4: "clusterObstacle";
    readonly C5: "lineObstacle";
};
export type AircraftCategory = (typeof AircraftCategory)[keyof typeof AircraftCategory];
/**
 * Normalized flight state object for ADS-B/Mode-S tracking, used across packages.
 */
export interface Aircraft {
    /** 24-bit ICAO hexadecimal address (e.g. "A0B1C2"). */
    icaoHex: string;
    /** Current callsign, as available from the source (e.g. "UAL123"). */
    callsign?: string;
    /** Resolved aircraft registration details (N-number, make/model, etc.). */
    registration?: AircraftRegistration;
    /** Current geospatial position. */
    position?: Position;
    /** Ground speed in knots. */
    groundSpeedKt?: number;
    /** Indicated airspeed in knots. */
    indicatedAirspeedKt?: number;
    /** True airspeed in knots. */
    trueAirspeedKt?: number;
    /** Track over ground in degrees true. */
    trueTrackDeg?: number;
    /** Magnetic heading in degrees. */
    magneticHeadingDeg?: number;
    /** Vertical rate in feet per minute. */
    verticalRateFtPerMin?: number;
    /** Squawk transponder code. */
    squawk?: string;
    /** True if aircraft is on the ground. */
    onGround?: boolean;
    /** Aircraft category code for performance/weight class. */
    category?: AircraftCategory;
    /** Origin airport information. */
    origin?: Airport;
    /** Destination airport information. */
    destination?: Airport;
    /** Unix epoch ms last seen timestamp. */
    lastSeenAt: number;
}
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