flight-planner
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Plan and route VFR flights
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TypeScript
import { Advisory, AerodromeService, AircraftService, WeatherService } from './index.js';
import { Aerodrome, ReportingPoint, Waypoint } from './waypoint.types.js';
import { Wind } from './metar.types.js';
import { Aircraft } from './aircraft.js';
/**
* Represents a course vector with distance and track.
*
* @interface CourseVector
* @property {number} distance - The distance of the course vector in nautical miles.
* @property {number} track - The true track heading in degrees.
* @property {number} magneticTrack - The magnetic track heading in degrees, if available.
*/
export interface CourseVector {
distance: number;
track: number;
magneticTrack: number;
}
/**
* Interface representing the performance characteristics of an aircraft.
*
* @interface RouteLegPerformance
* @property {number} headWind - The component of wind directly opposing the aircraft's motion, measured in knots.
* @property {number} crossWind - The component of wind perpendicular to the aircraft's motion, measured in knots.
* @property {number} trueAirspeed - The speed of the aircraft relative to the air mass it's flying through, measured in knots.
* @property {number} windCorrectionAngle - The angle between the aircraft's heading and its track, measured in degrees.
* @property {number} trueHeading - The heading of the aircraft relative to true north, measured in degrees.
* @property {number} magneticHeading - The heading of the aircraft corrected for magnetic declination, measured in degrees.
* @property {number} groundSpeed - The actual speed of the aircraft over the ground, measured in knots.
* @property {number} duration - The time duration for a segment of flight, typically measured in minutes.
* @property {number} [fuelConsumption] - Optional property representing the fuel consumption rate, typically measured in gallons or liters per hour.
*/
export interface RouteLegPerformance {
headWind: number;
crossWind: number;
trueAirspeed: number;
windCorrectionAngle: number;
trueHeading: number;
magneticHeading: number;
groundSpeed: number;
duration: number;
fuelConsumption?: number;
}
/**
* Represents a segment of a flight route between two waypoints.
*
* @interface RouteLeg
* @property {RouteSegment} start - The starting waypoint of the leg.
* @property {RouteSegment} end - The ending waypoint of the leg.
* @property {CourseVector} course - The course vector of the leg, containing distance and track information.
* @property {Wind} [wind] - Optional wind conditions for this leg.
* @property {Date | undefined} arrivalDate - The estimated arrival date and time at the end waypoint.
* @property {AircraftPerformance} [performance] - Optional performance calculations for this leg.
*/
export interface RouteLeg {
start: RouteSegment;
end: RouteSegment;
course: CourseVector;
wind?: Wind;
arrivalDate?: Date;
performance?: RouteLegPerformance;
}
/**
* Represents a complete route trip with multiple legs.
* Contains information about the route's path, distances, duration, and optionally fuel consumption and timing.
*
* @interface RouteTrip
* @property {RouteLeg[]} route - Array of route legs that make up the complete trip
* @property {RouteLeg} [routeAlternate] - Optional alternate route leg for the trip
* @property {number} totalDistance - Total distance of the trip in nautical miles
* @property {number} totalDuration - Total duration of the trip in minutes
* @property {number} [totalTripFuel] - Optional total fuel consumption for the trip in gallons or liters
* @property {Date} [departureDate] - Optional planned departure date and time
* @property {Date} [arrivalDate] - Optional estimated arrival date and time
* @property {Date} generatedAt - The date and time when the trip was generated
* @property {string} [remarks] - Optional remarks or notes about the trip
*/
export interface RouteTrip {
route: RouteLeg[];
routeAlternate?: RouteLeg;
totalDistance: number;
totalDuration: number;
totalTripFuel?: number;
fuelBreakdown?: {
trip: number;
reserve: number;
takeoff?: number;
landing?: number;
taxi?: number;
alternate?: number;
};
departureDate?: Date;
arrivalDate?: Date;
generatedAt: Date;
remarks?: string;
}
/**
* Options for configuring a flight route.
*
* @interface RouteOptions
* @property {number} [defaultAltitude] - The default altitude for the route in feet.
* @property {Date} [departureDate] - The scheduled departure date and time.
* @property {Aircraft} [aircraft] - The aircraft to be used for the flight.
* @property {Aerodrome} [alternate] - An alternate aerodrome for the flight plan.
* @property {number} [reserveFuel] - The amount of reserve fuel to carry in liters.
* @property {number} [reserveFuelDuration] - The duration for which reserve fuel is calculated in minutes.
* @property {number} [taxiFuel] - The amount of fuel required for taxiing liters.
* @property {number} [takeoffFuel] - The amount of fuel required for takeoff in liters.
* @property {number} [landingFuel] - The amount of fuel required for landing in liters.
*/
export interface RouteOptions {
defaultAltitude?: number;
departureDate?: Date;
aircraft?: Aircraft;
alternate?: Aerodrome;
alternateRadius?: number;
reserveFuel?: number;
reserveFuelDuration?: number;
taxiFuel?: number;
takeoffFuel?: number;
landingFuel?: number;
}
/**
* Represents the possible types for a waypoint in a route.
* Can be an Aerodrome, a ReportingPoint, or a generic Waypoint.
*/
type WaypointType = Aerodrome | ReportingPoint | Waypoint;
/**
* Represents a segment of a flight route, containing a waypoint and optional altitude.
*
* @interface RouteSegment
* @property {WaypointType} waypoint - The waypoint for this segment, which can be an Aerodrome, ReportingPoint, or Waypoint.
* @property {number} [altitude] - Optional altitude for the segment in feet.
*/
interface RouteSegment {
waypoint: WaypointType;
altitude?: number;
}
/**
* Checks if a given track is eastbound (0-179 degrees).
*
* @param {number} track - The track in degrees.
* @returns {boolean} True if the track is eastbound, false otherwise.
*/
export declare const isEastbound: (track: number) => boolean;
/**
* Checks if a given track is westbound (180-359 degrees).
*
* @param {number} track - The track in degrees.
* @returns {boolean} True if the track is westbound, false otherwise.
*/
export declare const isWestbound: (track: number) => boolean;
/**
* Calculates the appropriate VFR cruising altitude based on the track and desired minimum altitude.
*
* Eastbound flights (0-179 degrees) use odd thousands + 500 feet (e.g., 3500, 5500).
* Westbound flights (180-359 degrees) use even thousands + 500 feet (e.g., 4500, 6500).
* The function returns the lowest VFR cruising altitude that is at or above the given minimum altitude.
*
* @param {number} track - The true track in degrees.
* @param {number} altitude - The minimum desired altitude in feet.
* @returns {number} The calculated VFR cruising altitude in feet.
*/
export declare const calculateVFRCruisingAltitude: (track: number, altitude: number) => number;
/**
* Converts an altitude in feet to the corresponding flight level.
* Flight levels are typically expressed in hundreds of feet, so the function divides the altitude by 1000.
*
* @param {number} altitude - The altitude in feet.
* @returns {number} The flight level (FL) corresponding to the given altitude.
*/
export declare const flightLevel: (altitude: number) => number;
/**
* Finds the closest route leg to a given location.
*
* @param routeTrip - The route trip to search within.
* @param location - The location to find the closest leg to, as a [longitude, latitude] tuple.
* @returns The closest route leg, or undefined if no route legs are found or the input is invalid.
*/
export declare const closestRouteLeg: (routeTrip: RouteTrip, location: [number, number]) => RouteLeg | undefined;
/**
* Finds the closest waypoint in a route trip to a given location.
*
* @param routeTrip - The route trip to search within.
* @param location - The location to find the closest waypoint to, as a [longitude, latitude] tuple.
* @returns The closest waypoint, or undefined if no waypoints are found or the input is invalid.
*/
export declare const closestWaypoint: (routeTrip: RouteTrip, location: [number, number]) => WaypointType | undefined;
/**
* Maps a route trip to an array of unique waypoints.
*
* This function extracts all waypoints from a route trip by taking the start and end
* waypoints of each leg and removing duplicates.
*
* @param routeTrip - The route trip containing legs with start and end waypoints
* @returns An array of unique waypoints representing all points in the route trip
*/
export declare const routeTripWaypoints: (routeTrip: RouteTrip) => WaypointType[];
/**
* Gets the departure waypoint from a route trip.
*
* @param routeTrip - The route trip from which to extract the departure waypoint
* @returns The departure waypoint, which is the first waypoint in the route
*/
export declare const routeTripDepartureWaypoint: (routeTrip: RouteTrip) => WaypointType;
/**
* Gets the arrival waypoint from a route trip.
*
* @param routeTrip - The route trip from which to extract the arrival waypoint
* @returns The arrival waypoint, which is the last waypoint in the route
*/
export declare const routeTripArrivalWaypoint: (routeTrip: RouteTrip) => WaypointType;
/**
* Parses a route string into an array of waypoints.
*
* This function accepts a route string containing various waypoint formats and converts them
* into standardized waypoint objects. It supports ICAO airport codes and coordinate-based waypoints.
*
* @async
* @function parseRouteString
* @param {AerodromeService} aerodromeService - Service for looking up aerodrome information by ICAO codes
* @param {string} routeString - The route string to parse, containing waypoints separated by spaces, semicolons, or newlines
* @returns {Promise<WaypointType[]>} A promise that resolves to an array of parsed waypoints
*
* @description
* Supported waypoint formats:
* - ICAO codes: 4-letter airport identifiers (e.g., "KJFK", "EGLL")
* - Coordinate waypoints: WP(latitude,longitude) format (e.g., "WP(40.7128,-74.0060)")
*
* The function performs the following operations:
* 1. Splits the route string by whitespace, semicolons, and newlines
* 2. Filters out empty parts
* 3. Converts all input to uppercase for consistency
* 4. For each part, attempts to match against supported formats:
* - If ICAO code: looks up aerodrome using the provided service
* - If coordinate waypoint: creates a waypoint with the specified coordinates
* 5. Collects parsing errors and throws if no valid waypoints are found
*
* @throws {Error} Throws an error if the route string cannot be parsed or contains no valid waypoints
*/
export declare const parseRouteString: (aerodromeService: AerodromeService, routeString: string) => Promise<WaypointType[]>;
/**
* Creates a flight plan from a route string, aircraft registration, and optional route options.
*
* This function parses the route string into waypoints, attaches weather data, finds an alternate aerodrome if not provided,
* and constructs a flight plan with segments and performance calculations.
*
* @param planner - The PlannerService instance used for parsing and finding waypoints.
* @param routeString - The route string to parse into waypoints.
* @param aircraftRegistration - The registration of the aircraft to be used in the flight plan.
* @param options - Optional parameters for the flight plan, including default altitude, departure date, and reserve fuel.
* @returns A promise that resolves to a RouteTrip object representing the flight plan.
*/
export declare function createFlightPlanFromString(weatherService: WeatherService, aerodromeService: AerodromeService, aircrafService: AircraftService, routeString: string, aircraftRegistration: string, options?: RouteOptions): Promise<RouteTrip & {
advisory?: Advisory[];
}>;
/**
* Generates a flight plan based on the provided route segments, alternate segment, aircraft, and options.
*
* This function calculates the route legs, total distance, duration, fuel consumption, and other performance metrics.
* It returns a RouteTrip object containing all relevant information about the flight plan.
*
* @param segments - An array of RouteSegment objects representing the waypoints and altitudes for the flight.
* @param alternateSegment - An optional RouteSegment representing an alternate aerodrome for the flight.
* @param aircraft - The Aircraft object containing performance data for the flight.
* @param options - Optional parameters for the flight plan, including departure date and reserve fuel duration.
* @returns A RouteTrip object containing the calculated flight plan details.
*/
export declare function flightPlan(segments: RouteSegment[], alternateSegment: RouteSegment | undefined, aircraft: Aircraft | undefined, options?: RouteOptions): RouteTrip;
export {};