--- title: "GET /udl/stage/{id}" method: GET path: "/udl/stage/{id}" tags: ["Launch"] --- # GET /udl/stage/{id} `GET /udl/stage/{id}` ## Request - Base URL: `https://unifieddatalibrary.com` - URL: `https://unifieddatalibrary.com/udl/stage/{id}` - Auth: none declared Service operation to get a single Stage record by its unique ID passed as a path parameter. A Stage represents various stages of a particular launch vehicle, compiled by a particular source. A vehicle may have multiple stage records. ## Path parameters - `id` string, required ## Query parameters - `firstResult` integer - `maxResults` integer ## Response `200` OK - StageFull: Launch stage information for a particular launch vehicle. A launch vehicle can have several stages, each with 1 to many engines. - `id` string: Unique identifier of the record, auto-generated by the system. - `idLaunchVehicle` string, required: Identifier of the launch vehicle record for this stage. - `idEngine` string, required: Identifier of the Engine record for this stage. - `classificationMarking` string, required: Classification marking of the data in IC/CAPCO Portion-marked format. - `stageNumber` integer: The stage number of this launch stage. - `type` string: Engine cycle type (e.g. Electrostatic Ion, Pressure Fed, Hall, Catalytic Decomposition, etc.). - `manufacturerOrgId` string: ID of the organization that manufactures this launch stage. - `numEngines` integer: The number of the specified engines on this launch stage. - `length` number, double: Stage length in meters. - `diameter` number, double: Stage maximum external diameter in meters. - `mass` number, double: Stage gross mass in kg. - `vernier` string: Engine vernier or additional engine type. - `numVernier` integer: Number of vernier or additional engines. - `mainEngineThrustSeaLevel` number, double: Thrust of the stage main engine at sea level in kN. - `mainEngineThrustVacuum` number, double: Thrust of the stage main engine in a vacuum in kN. - `thrustSeaLevel` number, double: Total thrust of the stage at sea level in kN. - `thrustVacuum` number, double: Total thrust of the stage in a vacuum in kN. - `burnTime` number, double: Total burn time of the stage engines in seconds. - `numBurns` integer: Number of burns for the stage engines. - `vernierBurnTime` number, double: Total burn time of the vernier or additional stage engines in seconds. - `vernierNumBurns` integer: Total number of burns of the vernier or additional stage engines. - `vernierThrustSeaLevel` number, double: Total thrust of one of the vernier or additional engines at sea level in kN. - `vernierThrustVacuum` number, double: Total thrust of one of the vernier or additional engines in a vacuum in kN. - `numStageElements` integer: Number of launch stage elements used in this stage. - `reusable` boolean: Boolean indicating if this launch stage is reusable. - `restartable` boolean: Boolean indicating if this launch stage can be restarted. - `controlThruster1` string: Control thruster 1 type. - `numControlThruster1` integer: Number of type control thruster 1. - `controlThruster2` string: Control thruster 2 type. - `numControlThruster2` integer: Number of type control thruster 2. - `photoURLs` string[]: Array of URLs of photos of the stage. - `notes` string: Description/notes of the stage. - `avionicsNotes` string: Description/notes of the stage avionics. - `tags` string[]: Optional array of provider/source specific tags for this data, where each element is no longer than 32 characters, used for implementing data owner conditional access controls to restrict access to the data. Should be left null by data providers unless conditional access controls are coordinated with the UDL team. - `createdAt` string, date-time: Time the row was created in the database, auto-populated by the system. - `createdBy` string: Application user who created the row in the database, auto-populated by the system. - `updatedAt` string, date-time: Time the row was last updated in the database, auto-populated by the system. - `updatedBy` string: Application user who updated the row in the database, auto-populated by the system. - `source` string, required: Source of the data. - `origin` string: Originating system or organization which produced the data, if different from the source. The origin may be different than the source if the source was a mediating system which forwarded the data on behalf of the origin system. If null, the source may be assumed to be the origin. - `origNetwork` string: The originating source network on which this record was created, auto-populated by the system. - `dataMode` 'REAL' | 'TEST' | 'SIMULATED' | 'EXERCISE', required: Indicator of whether the data is REAL, TEST, EXERCISE, or SIMULATED data: REAL: Data collected or produced that pertains to real-world objects, events, and analysis. TEST: Specific datasets used to evaluate compliance with specifications and requirements, and for validating technical, functional, and performance characteristics. EXERCISE: Data pertaining to a government or military exercise. The data may include both real and simulated data. SIMULATED: Synthetic data generated by a model to mimic real-world datasets. - `engine` EngineFull: Known launch vehicle engines and their performance characteristics and limits. A launch vehicle has 1 to many engines per stage. - `id` string: Unique identifier of the record, auto-generated by the system. - `name` string, required: Engine name/variant. - `classificationMarking` string, required: Classification marking of the data in IC/CAPCO Portion-marked format. - `createdAt` string, date-time: Time the row was created in the database, auto-populated by the system. - `createdBy` string: Application user who created the row in the database, auto-populated by the system. - `updatedAt` string, date-time: Time the row was last updated in the database, auto-populated by the system. - `updatedBy` string: Application user who updated the row in the database, auto-populated by the system. - `source` string, required: Source of the data. - `origin` string: Originating system or organization which produced the data, if different from the source. The origin may be different than the source if the source was a mediating system which forwarded the data on behalf of the origin system. If null, the source may be assumed to be the origin. - `origNetwork` string: The originating source network on which this record was created, auto-populated by the system. - `dataMode` 'REAL' | 'TEST' | 'SIMULATED' | 'EXERCISE', required: Indicator of whether the data is REAL, TEST, EXERCISE, or SIMULATED data: REAL: Data collected or produced that pertains to real-world objects, events, and analysis. TEST: Specific datasets used to evaluate compliance with specifications and requirements, and for validating technical, functional, and performance characteristics. EXERCISE: Data pertaining to a government or military exercise. The data may include both real and simulated data. SIMULATED: Synthetic data generated by a model to mimic real-world datasets. - `engineDetails` EngineDetailsFull[]: Read-only collection of additional EngineDetails by various sources for this engine, ignored on create/update. These details must be created separately via the /udl/enginedetails operations. - `id` string: Unique identifier of the record, auto-generated by the system. - `idEngine` string, required: Identifier of the parent engine record. - `classificationMarking` string, required: Classification marking of the data in IC/CAPCO Portion-marked format. - `family` string: Engine type or family. - `cycleType` string: Engine cycle type (e.g. Electrostatic Ion, Pressure Fed, Hall, Catalytic Decomposition, etc.). - `characteristicType` string: Engine characteristic type (e.g. Electric, Mono-propellant, Bi-propellant, etc.). - `manufacturerOrgId` string: Organization ID of the engine manufacturer. - `specificImpulse` number, double: Launch engine specific impulse in seconds. - `burnTime` number, double: Launch engine maximum burn time in seconds. - `seaLevelThrust` number, double: Engine maximum thrust at sea level in Kilo-Newtons. - `vacuumThrust` number, double: Engine maximum thrust in a vacuum in Kilo-Newtons. - `chamberPressure` number, double: Engine chamber pressure in bars. - `nozzleExpansionRatio` number, double: Engine nozzle expansion ratio. - `maxFirings` integer: Engine maximum number of firings. - `propellant` string: Propellant/fuel type of the engine (e.g. Liquid Hydrogen, Kerosene, Aerozine, etc). - `oxidizer` string: Oxidizer type (e.g. Nitrogen Tetroxide, Liquid Oxygen, etc). - `notes` string: Notes/Description of the engine. - `createdAt` string, date-time: Time the row was created in the database, auto-populated by the system. - `createdBy` string: Application user who created the row in the database, auto-populated by the system. - `updatedAt` string, date-time: Time the row was last updated in the database, auto-populated by the system. - `updatedBy` string: Application user who updated the row in the database, auto-populated by the system. - `source` string, required: Source of the data. - `origin` string: Originating system or organization which produced the data, if different from the source. The origin may be different than the source if the source was a mediating system which forwarded the data on behalf of the origin system. If null, the source may be assumed to be the origin. - `origNetwork` string: The originating source network on which this record was created, auto-populated by the system. - `dataMode` 'REAL' | 'TEST' | 'SIMULATED' | 'EXERCISE', required: Indicator of whether the data is REAL, TEST, EXERCISE, or SIMULATED data: REAL: Data collected or produced that pertains to real-world objects, events, and analysis. TEST: Specific datasets used to evaluate compliance with specifications and requirements, and for validating technical, functional, and performance characteristics. EXERCISE: Data pertaining to a government or military exercise. The data may include both real and simulated data. SIMULATED: Synthetic data generated by a model to mimic real-world datasets. - `tags` string[]: Optional array of provider/source specific tags for this data, where each element is no longer than 32 characters, used for implementing data owner conditional access controls to restrict access to the data. Should be left null by data providers unless conditional access controls are coordinated with the UDL team. ## Other responses - `400`: Bad Request - `401`: Invalid/Missing User Credentials - `403`: User Is Not Authorized - `404`: Item Not Found - `405`: Method Not Allowed - `406`: MediaType Not Accepted by Request Headers - `429`: Rate of Requests Exceeds Allowed Limit - `500`: Internal Server Error ## Changes > 12 revisions in range; 1 could not be searched. - **2025-05-29** `4e1cbc17e814`: 2 info - added the new optional `query` request parameter `firstResult` - added the new optional `query` request parameter `maxResults` - **2025-04-16** `75f764c843a9`: 3 info - api operation id `find_122` removed and replaced with `` - the endpoint scheme security `BasicAuth` was removed from the API - the response optional property `engine` became not read-only for the status `200` [Operation history](https://skmtc.dev/bluestaq/apis/unified-data-library-services-api/changes/udl/stage/:id/get.md) --- [API](https://skmtc.dev/bluestaq/apis/unified-data-library-services-api.md) - [All operations](https://skmtc.dev/bluestaq/apis/unified-data-library-services-api/llms.txt) - [OpenAPI document](https://skmtc.dev/bluestaq/apis/unified-data-library-services-api/revisions/bd17bc53681e?raw)