export declare enum DatumCalculationModel {
    MODEL_1 = "model_1",
    MODEL_1A = "model_1a",
    MODEL_2 = "model_2",
    MODEL_3 = "model_3"
}
export declare const reverseCalculationModelMap: Map<string, DatumCalculationModel>;
/**
 * Datum is defined by type certificate, not per aircraft type.
 */
export interface WeightAndBalanceDatum {
    /** Plain text description of where the datum is located on the airframe */
    location: string;
    /** Description on how to level the aircraft to take the correct measurement */
    levellingInstructions: string;
    /** Location of the ground touch points relative to the datum location */
    calculationModel: DatumCalculationModel;
    maxAllUpWeight: number;
    /**
     * If the aircraft has an alternative wingspan it may also have an alternate max weight.
     * Most will not, but for W&B purposes, particularly water ballast, this can be different
     */
    maxAllUpWeightAlternateSpan?: number;
    maxDryWeight: number;
    maxNonLiftingPartsWeight: number;
    /** Max weight the seat is allowed to have on it */
    maxSeatWeight: number;
    /**
     * Min pilot weight defined in the AMM. There's no specific basis for this and often this
     * will be higher than the calculated forward CG amount. However, an aircraft after repair
     * may have a higher minimum pilot weight than this. It just can't be lower.
     */
    minAllowedPilotWeight: number;
    forwardCGLimit: number;
    aftCGLimit: number;
    /**
     * The default value for the P1 arm in the glider. If there is a range specified in the
     * AMM or TCDS then this would be the one located closest to the datum.
     */
    pilot1Arm: number;
    /**
     * Optional P1 arm if the AMM or TCDS contains a range value. If undefined, then only the
     * base value is used. If defined, the the calculator options define how to interpret the
     * two numbers. If no option is supplied, it defaults to using the base value only. If provided
     * this should reference the distance furthest away from the datum (typically a larger negative
     * number than pilot1Arm).
     */
    pilot1ArmMax?: number;
    /**
     * If this is a 2 seater, this is the arm to the second pilot.
     */
    pilot2Arm?: number;
    /**
     * If there is cockpit ballast, arm to the location of the ballast box.
     */
    cockpitBallastBlockArm?: number;
    /**
     * Arm to the tail ballast location, relative to the datum location. If there is
     * two tail ballast locations (eg tank + blocks or two tanks) for now assume they
     * have the same arm distance.
     */
    tailBallastArm?: number;
    distanceFrontWheelToDatum: number;
    distanceFrontWheelToRearWheel: number;
}
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