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12/23/25

Regarding MAVLink Encryption

Hello MAVLink maintainers and community members, I have been working closely with MAVLink in security

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Regarding MAVLink Encryption

Hello MAVLink maintainers and community members, I have been working closely with MAVLink in security

12/23/25

11/13/25

Potential vulnerabilities regarding MAVLink v2.0 message authentication

Dear MAVLink Development and Maintenance Team: Hello! First, I would like to thank you for your

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Potential vulnerabilities regarding MAVLink v2.0 message authentication

Dear MAVLink Development and Maintenance Team: Hello! First, I would like to thank you for your

11/13/25

Abdul Muqaddim, Hamish Willee2

11/4/25

In ArduPilot, which MAVLink messages can be used to report or monitor payload status?

Best to check the ArduPilot documentation, and if not present ask on the discussion boards. On

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In ArduPilot, which MAVLink messages can be used to report or monitor payload status?

Best to check the ArduPilot documentation, and if not present ask on the discussion boards. On

11/4/25

Adis Mackovic, Hamish Willee3

9/11/25

REQUEST_PARAM_LIST doesn't return all parameters, only less than 100

Thank you On Thursday, 11 September 2025 at 10:29:49 UTC+2 hamish...@gmail.com wrote: Well, we know

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REQUEST_PARAM_LIST doesn't return all parameters, only less than 100

Thank you On Thursday, 11 September 2025 at 10:29:49 UTC+2 hamish...@gmail.com wrote: Well, we know

9/11/25

Mckenzie Gray Turpin, Patrick Arnoul2

9/3/25

Heartbeat custom_mode Constantly Changing

I believe your zeroed "custom_mode" information does not come from your flight controller

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Heartbeat custom_mode Constantly Changing

I believe your zeroed "custom_mode" information does not come from your flight controller

9/3/25

8/28/25

MAVLink Signing Error: Invalid Signature

Hello, I am currently carrying out bidirectional drone to drone communication over RFD900x. MAVLink

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MAVLink Signing Error: Invalid Signature

Hello, I am currently carrying out bidirectional drone to drone communication over RFD900x. MAVLink

8/28/25

Ryan Edmonds, Hamish Willee4

8/14/25

MAVLink UDP C example

OK, the example is fixed up, and so is the documentation - you can see how to run it now in https://

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MAVLink UDP C example

OK, the example is fixed up, and so is the documentation - you can see how to run it now in https://

8/14/25

frank rossi, Hamish Willee2

8/7/25

Error: "BAD_DATA {invalid MAVLink CRC in msgID 42000 0xc139 should be 0x8d4d, [...]" in personal implementation in MAVLink

The message means what it says, that the calculated CRC_EXTRA (https://mavlink.io/en/guide/

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Error: "BAD_DATA {invalid MAVLink CRC in msgID 42000 0xc139 should be 0x8d4d, [...]" in personal implementation in MAVLink

The message means what it says, that the calculated CRC_EXTRA (https://mavlink.io/en/guide/

8/7/25

Mathieu David, … Hamish Willee6

8/7/25

Question about handling command ACK ambiguity

I thought I replied to this. " > it is not common for a GCS to check the mode change unless

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Question about handling command ACK ambiguity

I thought I replied to this. " > it is not common for a GCS to check the mode change unless

8/7/25

Michael Nunan, Hamish Willee2

7/15/25

Wireshark Disscector Issue

It looks like it. Can you test this with a fresh generated library for XML that matches the flight

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Wireshark Disscector Issue

It looks like it. Can you test this with a fresh generated library for XML that matches the flight

7/15/25

boe spong, Hamish Willee2

6/26/25

QGC cannot call up the camera zoom and zoom UI issue

I don't know. Have you considered asking in the QGCroundControl forums? On Friday, 30 May 2025 at

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QGC cannot call up the camera zoom and zoom UI issue

I don't know. Have you considered asking in the QGCroundControl forums? On Friday, 30 May 2025 at

6/26/25

Lonz, Hamish Willee2

5/22/25

Windwos Form C# .Net Framework MAVLink Libraries

You might want to provide a lot more information about what you're trying including the flight

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Windwos Form C# .Net Framework MAVLink Libraries

You might want to provide a lot more information about what you're trying including the flight

5/22/25

Dmytro Shkarupa, … Steven Owens4

5/10/25

pymavlink in multi-threaded environment

Hi again, I haven't messed with dronekit, I keep meaning to go through the dronekit code with

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pymavlink in multi-threaded environment

Hi again, I haven't messed with dronekit, I keep meaning to go through the dronekit code with

5/10/25

Martin Paques, Hamish Willee2

4/10/25

Mavlink Control in SITL over UDP interface - C language

You're streaming the messages to control the setpoint, so that's good. Normally that is the

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Mavlink Control in SITL over UDP interface - C language

You're streaming the messages to control the setpoint, so that's good. Normally that is the

4/10/25

刘企, Hamish Willee2

4/9/25

UART communication using the MAVLink protocol,HELP ME

I don't believe MAVLink itself uses this NAK character, so it must be being injected somewhere

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UART communication using the MAVLink protocol,HELP ME

I don't believe MAVLink itself uses this NAK character, so it must be being injected somewhere

4/9/25

David Harty, Hamish Willee2

4/3/25

HIGH_LATENCY2 has not GPS status

The information in HL/HL2 is high latency. GPS status sent in such a message is pretty pointless - if

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HIGH_LATENCY2 has not GPS status

The information in HL/HL2 is high latency. GPS status sent in such a message is pretty pointless - if

4/3/25

Mckenzie Gray Turpin

3/25/25

Feed Lua Float into MAVLink Encode gets NIL Output

I am trying to read CAN data with a Lua script (which I can do successfully) and then encode a

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Feed Lua Float into MAVLink Encode gets NIL Output

I am trying to read CAN data with a Lua script (which I can do successfully) and then encode a

3/25/25

Abdul Muqaddim, Hamish Willee2

3/19/25

This is a flight-stack specific question. Please start from the documentation in https://ardupilot.

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This is a flight-stack specific question. Please start from the documentation in https://ardupilot.

3/19/25

Abdul Muqaddim, Hamish Willee2

3/19/25

SITl RTK Base Station

Since this is a flight-stack specific question, you are probably best off posting in the mavlink

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SITl RTK Base Station

Since this is a flight-stack specific question, you are probably best off posting in the mavlink

3/19/25

Andrew Welch, … Abdul Muqaddim3

3/17/25

RTK Base station with MAVLink

First if you are using your own code then you would need to pack the rtcm message into the

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RTK Base station with MAVLink

First if you are using your own code then you would need to pack the rtcm message into the

3/17/25

Mckenzie Gray Turpin

3/6/25

MAVLink Messages Coming Back NIL

I am trying to write a lua script that will encode the EFI_STATUS message but am running into some

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MAVLink Messages Coming Back NIL

I am trying to write a lua script that will encode the EFI_STATUS message but am running into some

3/6/25

Mckenzie Gray Turpin, Michael Oborne5

3/5/25

TLOG to CSV Format

Ah, I see where I was going wrong. Thank you Michael! On Wednesday, March 5, 2025 at 4:10:44 PM UTC-5

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TLOG to CSV Format

Ah, I see where I was going wrong. Thank you Michael! On Wednesday, March 5, 2025 at 4:10:44 PM UTC-5

3/5/25

Janis Blank, Hamish Willee3

2/19/25

How to upload a complex fence (multiple polygons)

Thanks. FYI docs updated to reflect this in https://github.com/mavlink/mavlink/pull/2222 On Friday,

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How to upload a complex fence (multiple polygons)

Thanks. FYI docs updated to reflect this in https://github.com/mavlink/mavlink/pull/2222 On Friday,

2/19/25

Emirhan Çelik, Hamish Willee2

2/11/25

Mavlink IOS integration over Cxx

Hi That command looks like it would output C++ files, not objective C (basd on the Lang). Can you

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Mavlink IOS integration over Cxx

Hi That command looks like it would output C++ files, not objective C (basd on the Lang). Can you

2/11/25

Emirhan Çelik, Hamish Willee2

2/11/25

MAVLink distance_sensor Message Not Reaching PX4 from iOS (UDP), Works on macOS

I can see what you tried to do here - copy the structure of the distance sender into the heartbeat

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MAVLink distance_sensor Message Not Reaching PX4 from iOS (UDP), Works on macOS

I can see what you tried to do here - copy the structure of the distance sender into the heartbeat

2/11/25

Michael Koukoullis, Emirhan Çelik2

2/8/25

Article: Decoding MAVLink Messages with Swift + Xcode

hey this is very usefull but not updated and not working now. Can I hear you more ? 14 Kasım 2015

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Article: Decoding MAVLink Messages with Swift + Xcode

hey this is very usefull but not updated and not working now. Can I hear you more ? 14 Kasım 2015

2/8/25

Noah Bliss, Hamish Willee2

1/22/25

Mavka - A new lightweight rust ecosystem for mavlink

We'd welcome a PR for addition to the mavlink.io page external section. Ideally from the

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Mavka - A new lightweight rust ecosystem for mavlink

We'd welcome a PR for addition to the mavlink.io page external section. Ideally from the

1/22/25

kourosh marjoei, Hamish Willee2

1/22/25

An error when using MAV_CMD_INJECT_FAILURE command

The error means what it says - this command is not available in the dialect. That's because

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An error when using MAV_CMD_INJECT_FAILURE command

The error means what it says - this command is not available in the dialect. That's because

1/22/25

Robert Lee, Hamish Willee2

11/26/24

[nit] units are wrong for vel_acc on GPS_RAW_INT

Thank you https://github.com/mavlink/mavlink/pull/2180 On Monday, 25 November 2024 at 1:37:27 am UTC+

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[nit] units are wrong for vel_acc on GPS_RAW_INT

Thank you https://github.com/mavlink/mavlink/pull/2180 On Monday, 25 November 2024 at 1:37:27 am UTC+

11/26/24

11/13/24

SMART_BATTERY_INFO - revert and renumber BATTERY_INFO (370 to 372)

SMART_BATTERY_INFO was replaced by BATTERY_INFO earlier in the year using the same ID, on the

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SMART_BATTERY_INFO - revert and renumber BATTERY_INFO (370 to 372)

SMART_BATTERY_INFO was replaced by BATTERY_INFO earlier in the year using the same ID, on the

11/13/24

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