UAV / mission integration · protocol / SDK

ArduPilot MAVLink Interface

ArduPilot

Integrate telemetry and commands with ArduPilot's documented MAVLink interface.

Official documentationDownload development spec

Message support must be checked against vehicle type and firmware. Source-derived handled-message lists do not guarantee complete support; telemetry availability is not flight clearance.

ARDUPILOT / DEVELOPER FIELD GUIDE

Choose an interface. Define a verifiable result.

Company or project context, ten technical entry points and a practical analysis of every reference.

2026-10-08 · Integration not tested

Company / project overview

Original summary of official company or project statements; use the source for the full original page.

ArduPilot · About
ProjectArduPilot is an open-source autopilot project spanning multicopters, helicopters, fixed-wing aircraft, rovers and submersibles. Volunteer and professional developers contribute to its ecosystem.
Interface fitIts MAVLink interface connects ground stations and companion computers to vehicle-specific telemetry and services. This listing covers that integration layer rather than a separate hosted API service.
Complete official About page ↗
About reference — TA analysis
AudienceBuyers, partners and product owners shortlisting an AI provider.
Our assessmentUse positioning and company history for initial fit. Obtain project-specific deployment, support and commercial terms separately.

Official sources reviewed; no live API, inference or benchmark was run. Expected results are proposed internal contracts.

Top 10 technical entry points

Ten documented technical entry points selected by developer task; not ten separate SDKs or an official ranking.

Choose by the work you need to complete
InterfacePurpose and audience
01 · MAVLink basicsAPI / SDK / developer guideUnderstand ArduPilot MAVLink communication.Ground/companion application developers
02 · Flight-mode observationAPI / SDK / developer guideInterpret custom_mode from HEARTBEAT.Status dashboard developers
03 · Home and EKF originAPI / SDK / developer guideDistinguish home position from estimator origin.Coordinate-frame integrators
04 · Parameter interfaceAPI / SDK / developer guideRead parameter values and understand parameter exchange.Configuration inventory developers
05 · Log download interfaceAPI / SDK / developer guideList and retrieve recorded log data.Post-run diagnostic engineers
06 · MAVFTPAPI / SDK / developer guideAccess the MAVLink file-transfer interface.File-transfer integration developers
07 · ArduPilot routingAPI / SDK / developer guideUnderstand forwarding among MAVLink channels.Multi-component integration engineers
08 · Mission download/state interfaceAPI / SDK / developer guideInterpret mission lists, current item and reached-item messages.Simulator planning-tool developers
09 · Requesting telemetry dataAPI / SDK / developer guideUnderstand message requests and stream-rate configuration.Telemetry pipeline developers
10 · Copter message support matrixAPI / SDK / developer guideInspect source-derived handled/requestable/sent messages.Firmware compatibility reviewers

Reference analysis

Capabilities summarize official documentation. Constraints and proposed tests are our engineering assessment.

01

API / SDK / developer guide

MAVLink basics

MAVLink basics · TA
Target audienceGround/companion application developers
Documented capabilityUnderstand ArduPilot MAVLink communication.
Input → outputSystem/component messages → telemetry and protocol interactions.
Execution environmentMAVLink adapter for a pinned ArduPilot vehicle/firmware.
Our decision constraintProtocol availability differs by firmware and vehicle.
Our suggested validationRecord vehicle type, firmware and sender identity.
Official reference · MAVLink basics ↗
02

API / SDK / developer guide

Flight-mode observation

Flight-mode observation · TA
Target audienceStatus dashboard developers
Documented capabilityInterpret custom_mode from HEARTBEAT.
Input → outputVehicle type and custom_mode → mode label.
Execution environmentMAVLink adapter for a pinned ArduPilot vehicle/firmware.
Our decision constraintMode numbers vary between Copter, Plane and Rover.
Our suggested validationUnknown mappings remain unknown; do not send mode changes in this demo.
Official reference · Flight-mode observation ↗
03

API / SDK / developer guide

Home and EKF origin

Home and EKF origin · TA
Target audienceCoordinate-frame integrators
Documented capabilityDistinguish home position from estimator origin.
Input → outputHOME_POSITION/GPS_GLOBAL_ORIGIN → reference metadata.
Execution environmentMAVLink adapter for a pinned ArduPilot vehicle/firmware.
Our decision constraintHome and EKF origin have different meanings and update behavior.
Our suggested validationPreserve altitude reference; never silently substitute one origin for another.
Official reference · Home and EKF origin ↗
04

API / SDK / developer guide

Parameter interface

Parameter interface · TA
Target audienceConfiguration inventory developers
Documented capabilityRead parameter values and understand parameter exchange.
Input → outputParameter request/response → name, type and value.
Execution environmentMAVLink adapter for a pinned ArduPilot vehicle/firmware.
Our decision constraintWrites can alter vehicle behavior; examples stay read-only.
Our suggested validationDistinguish unavailable parameter from numeric zero.
Official reference · Parameter interface ↗
05

API / SDK / developer guide

Log download interface

Log download interface · TA
Target audiencePost-run diagnostic engineers
Documented capabilityList and retrieve recorded log data.
Input → outputLog list/data requests → entries and data chunks.
Execution environmentMAVLink adapter for a pinned ArduPilot vehicle/firmware.
Our decision constraintA received chunk does not prove a complete log.
Our suggested validationTrack IDs, expected size, offsets and missing segments.
Official reference · Log download interface ↗
06

API / SDK / developer guide

MAVFTP

MAVFTP · TA
Target audienceFile-transfer integration developers
Documented capabilityAccess the MAVLink file-transfer interface.
Input → outputFile operation request → response/data/error.
Execution environmentMAVLink adapter for a pinned ArduPilot vehicle/firmware.
Our decision constraintSupported paths and operations depend on the target.
Our suggested validationValidate read-only retrieval completeness; do not delete or upload files here.
Official reference · MAVFTP ↗
07

API / SDK / developer guide

ArduPilot routing

ArduPilot routing · TA
Target audienceMulti-component integration engineers
Documented capabilityUnderstand forwarding among MAVLink channels.
Input → outputTarget system/component and learned route → forwarding behavior.
Execution environmentMAVLink adapter for a pinned ArduPilot vehicle/firmware.
Our decision constraintMessages not addressed to the flight controller can be routed.
Our suggested validationCheck endpoint identity and avoid cross-system assumptions.
Official reference · ArduPilot routing ↗
08

API / SDK / developer guide

Mission download/state interface

Mission download/state interface · TA
Target audienceSimulator planning-tool developers
Documented capabilityInterpret mission lists, current item and reached-item messages.
Input → outputMission count/items/state → local plan representation.
Execution environmentMAVLink adapter for a pinned ArduPilot vehicle/firmware.
Our decision constraintTransfer acknowledgement is not mission execution completion.
Our suggested validationVerify complete ordered items; illustrative examples never start or modify missions.
Official reference · Mission download/state interface ↗
09

API / SDK / developer guide

Requesting telemetry data

Requesting telemetry data · TA
Target audienceTelemetry pipeline developers
Documented capabilityUnderstand message requests and stream-rate configuration.
Input → outputSupported request configuration → requested telemetry stream.
Execution environmentMAVLink adapter for a pinned ArduPilot vehicle/firmware.
Our decision constraintRequested rate is not a guaranteed observed delivery rate.
Our suggested validationMeasure actual reception intervals later; do not claim rates from a request alone.
Official reference · Requesting telemetry data ↗
10

API / SDK / developer guide

Copter message support matrix

Copter message support matrix · TA
Target audienceFirmware compatibility reviewers
Documented capabilityInspect source-derived handled/requestable/sent messages.
Input → outputMessage name → implementation indication and source link.
Execution environmentDocumentation/source review.
Our decision constraintHandled does not guarantee full support; this matrix is Copter-specific.
Our suggested validationConfirm target firmware implementation before claiming compatibility.
Official reference · Copter message support matrix ↗

ArduPilot MAVLink Interface

ArduPilot MAVLink Interface · Supporting reference analysis
TATeams selecting vehicle-specific interfaces
Our validation adviceUse this entry point to select the correct vehicle documentation; its full-message-list introduction is dated November 2024, not a live capability assertion.
Official reference · ArduPilot MAVLink Interface ↗

04 / INPUT · EXPECTED OUTPUT · ACCEPTANCE

Expected results before implementation

Offline read-only telemetry/log fixtures only; no real vehicle connection, mode change, mission upload, parameter write or flight action.

Illustrative contract · no API call or model execution · not measured provider output

Observed mode fixture

Expected behavior — illustrative, not executed
InputInvented heartbeat with explicit Copter type and a documented mode mapping.
Expected resultInternal vehicle_type=Copter, mode_code preserved, label resolved only for matching firmware.
AcceptanceNo mode-change command or flight-readiness inference.

No stored logs

Expected behavior — illustrative, not executed
InputSuccessful log listing fixture contains no entries.
Expected resultInternal status=empty and logs=[].
AcceptanceDo not classify transfer timeout as no logs.

Incomplete log

Expected behavior — illustrative, not executed
InputRecorded chunks omit a byte range.
Expected resultInternal status=partial with missing_ranges.
AcceptanceNo complete-file or analysis-ready claim until all expected bytes verified.

Disconnected telemetry

Expected behavior — illustrative, not executed
InputLast recorded heartbeat exceeds the configured observation timeout.
Expected resultInternal state=disconnected; position=null; last_sample retained as stale history.
AcceptancePreserve units/frame/time domain and expose the timeout threshold.

Map the expected result to your application

Map the actual SDK or service response into this proposed internal contract after integration. All IDs and values below are invented examples; no credentials or live requests are included.

Expected output JSON — illustrative, not measured · ArduPilotMAVLink-expected-results.json
{
  "schema_version": "1.0.0",
  "example": true,
  "provider": "ArduPilot",
  "status": "ok",
  "input_id": "sample-001",
  "data": {
    "vehicle_type": "Copter",
    "system_id": 1,
    "component_id": 1,
    "connection_state": "illustrative_observed",
    "position": {
      "latitude_deg": 25.0,
      "longitude_deg": 121.0,
      "relative_altitude_m": 0.0,
      "altitude_reference": "home"
    },
    "sample_time": null,
    "received_at": null,
    "freshness": "unmeasured"
  },
  "error": null,
  "verification": "illustrative-only;not-provider-response"
}
Download specification, example and acceptance plan
Engineering handoff — our proposed contract and gates
Result interpretationSuccessful transport or execution does not establish model accuracy. Preserve valid empty results separately from operational failure.
ReproducibilityRecord model, runtime, configuration and input identifiers; agree quality and latency criteria before representative tests. No measured performance is claimed.
Operation boundaryOffline read-only telemetry/log fixtures only; no real vehicle connection, mode change, mission upload, parameter write or flight action.

Development assessment

SITL mission data viewer

Development concept · integration not tested

Provider capabilities above are based on official documentation or repositories. The proposed product, inputs, deliverable and acceptance criteria below are our development assessment.

Integration pilot

Validate runtime, schemas or hardware together before estimating a deployable product.

Proposed inputs
A supported simulator or test vehicle, pinned firmware and telemetry channels.
Proposed deliverable
A read-only mission-data view with vehicle, frame, timestamp and connection state.
Acceptance criterion
Compare position, battery and link states with reference logs; show stale data and disconnects explicitly.
Dependencies
Exact vehicle/firmware compatibility, a simulator and a separate reviewed process for physical operations.

Integration condition

Message support must be checked against vehicle type and firmware. Source-derived handled-message lists do not guarantee complete support; telemetry availability is not flight clearance.

Development sequence

  1. Confirm access to ArduPilot MAVLink Interface, license and the exact supported version.
  2. Prepare the sample above and implement one documented operation for “SITL mission data viewer”.
  3. Normalize the result with source, time and explicit error state; keep the provider response for review.
  4. Run the acceptance criterion before estimating rollout effort or committing a customer deliverable.

How to validate demand

Record product views, documentation clicks, specification downloads and contextual hub clicks. These are event counts, not unique people or completed integrations.

This feasibility assessment uses implementation conditions. No traffic-based rank or delivery-time promise is assigned.

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