# Update Alternate Airports

Sets the alternate departure airport and the first and second alternate arrival airports of a flight. Each airport that is sent must be found in FL3XX, otherwise the call returns 404. Returns the alternate airports as stored.

Endpoint: PUT /api/external/flight/{flight}/alternateAirports
Version: 1.8.0
Security: API_AUTHENTICATION

## Path parameters:

  - `flight` (integer, required)
    FL3XX flight ID

## Request fields (application/json):

  - `alternateDepartureAirport` (object)

  - `alternateDepartureAirport.aid` (string)
    AID
    Example: "APT-QAPF-UXNM"

  - `alternateDepartureAirport.faa` (string)
    FAA
    Example: "null"

  - `alternateDepartureAirport.iata` (string)
    IATA
    Example: "null"

  - `alternateDepartureAirport.icao` (string)
    ICAO
    Example: "OTBD"

  - `alternateDepartureAirport.id` (integer)
    FL3XX internal airport ID
    Example: 22024

  - `alternateDepartureAirport.localIdentifier` (string)
    Local identifier
    Example: "null"

  - `alternateDepartureAirport.name` (string)
    Airport name
    Example: "Doha International Airport"

  - `alternateFirstArrivalAirport` (object)

  - `alternateSecondArrivalAirport` (object)

## Response 200 fields (application/json):

  - `alternateDepartureAirport` (object)

  - `alternateDepartureAirport.aid` (string)
    AID
    Example: "APT-QAPF-UXNM"

  - `alternateDepartureAirport.faa` (string)
    FAA
    Example: "null"

  - `alternateDepartureAirport.iata` (string)
    IATA
    Example: "null"

  - `alternateDepartureAirport.icao` (string)
    ICAO
    Example: "OTBD"

  - `alternateDepartureAirport.id` (integer)
    FL3XX internal airport ID
    Example: 22024

  - `alternateDepartureAirport.localIdentifier` (string)
    Local identifier
    Example: "null"

  - `alternateDepartureAirport.name` (string)
    Airport name
    Example: "Doha International Airport"

  - `alternateFirstArrivalAirport` (object)

  - `alternateSecondArrivalAirport` (object)


## Response 401 fields

## Response 403 fields

## Response 404 fields