New acronym: ATOP = Above Take-Off Point

[Xtreme Drone Pilot]

Since we often refer to altitude above take-off point, which is different from AGL and AMSL, I coined a new abbreviation, ATOP = Above Take-Off Point. Example of usage: "DJI limits Mavic to 500m ATOP, but doesn't mention this in the product sheet. Tsk, tsk, tsk, DJI!"

Please add to AACU list and let's use it!

 

[Will.i.am]

Above Takeoff Point implies a position reference and not just a height reference. More correct would be Above Takeoff Level (ATL) , similar to AGL and MSL.

 

[pixl]

Since we often refer to altitude above take-off point, which is different from AGL and AMSL, I coined a new abbreviation, ATOP = Above Take-Off Point. Example of usage: "DJI limits Mavic to 500m ATOP, but doesn't mention this in the product sheet. Tsk, tsk, tsk, DJI!"

Please add to AACU list and let's use it!

Perhaps members of this forum could create a Mavic Wiki -- crowdsourcing contributions for the manual that DJI hasn't really written. With evolving FAQ's for each software/firmware version.

 

[travishauch]

ATA, Above Takeoff Altitude

 

[pixl]

ATA, Above Takeoff Altitude

take off. It's two words.

 

[Will.i.am]

take off. It's two words.

No. One word - Definition of TAKEOFF

 

[pixl]

No. One word - Definition of TAKEOFF

Others: take off Meaning in the Cambridge English Dictionary
apparently takeoff, take-off, and take off are all correct.

But for the purposes of the OP, ATA is confused with "approximate time [of] arrival" which figures heavily in aeronautical-speak

 

[Xtreme Drone Pilot]

Above Takeoff Point implies a position reference and not just a height reference. More correct would be Above Takeoff Level (ATL) , similar to AGL and MSL.

Good point! I guess both ATOP and ATL can have their respective uses.

 

[Xtreme Drone Pilot]

ATOP acronym has also the advantage of being a word:

Definition of ATOP

 

[travishauch]

Others: take off Meaning in the Cambridge English Dictionary
apparently takeoff, take-off, and take off are all correct.

But for the purposes of the OP, ATA is confused with "approximate time [of] arrival" which figures heavily in aeronautical-speak

ATA is different than ETA?

 

[Qoncussion]

Now that you've all established that takeoff can be one word - I vote for ATL, as it fits the industry's nomenclature.

 

[Will.i.am]

Others: take off Meaning in the Cambridge English Dictionary
apparently takeoff, take-off, and take off are all correct.

But for the purposes of the OP, ATA is confused with "approximate time [of] arrival" which figures heavily in aeronautical-speak

What the OP wants to define is a reference plane to be used when describing height above (or below) the Mavic takeoff point. The common aeronautical term for a reference plane is a level - eg Above Ground Level or Mean Sea Level - so Altitude does not really fit anyway. Plus altitude changes with respect to the reference plane, so you cannot use that term for the reference plane itself.

ATA is not listed in Bowditch's American Practical Navigator. According to Bowditch, the correct acronym is ETA for estimated time of arrival.

 

[Xtreme Drone Pilot]

I like everybody's suggestions. Personally, I'm going to use ATOP. "My Mavic is 501m ATOP of me. Good. The modded FW works. I'm happy. I'm atop of the world now!"

 

[Qoncussion]

I like everybody's suggestions. Personally, I'm going to use ATOP. "My Mavic is 501m ATOP of me. Good. The modded FW works. I'm happy. I'm atop of the world now!"

Which modded FW version are you running?

 

[Xtreme Drone Pilot]

Which modded FW version are you running?

.900 (with NFZs) + stripped 1.04.0000 on Mavic, stock .0000 on RC and Goggles. This is the best compromise for me out of all various combinations.

 

[travishauch]

I like everybody's suggestions. Personally, I'm going to use ATOP. "My Mavic is 501m ATOP of me. Good. The modded FW works. I'm happy. I'm atop of the world now!"

Leaning over the front of the Titanic are we?

 

[OzoneVibe]

BTOP needed too ...

 

[TheoMatthias]

BTOP needed too ...

Absolutely!

For anyone who has flown in a mountainous region, you can easily be below the takeoff level! Rather than inventing two acronyms, why not create an acronym that is "relative" to the number being referenced? For example, -100 RTL would mean -100-ft (m?) Relative (to) Takeoff Level or, 100-ft below takeoff level and 56 RTL would be 56-ft (m?) ABOVE takeoff level.

Just a thought...