Jacking an airplane

[slowto280]

Quick Google, but unable...

12,000 pound airplane (max), 3 point jacking - what size (capacity) jacks (3) do I need?

A simple, straight forward reply is appreciated.

[dixi188]

Check AMM chapter 7.
Probably need two with 6000lb (3Tons) capacity and one for nose or tail about 2000lbs (1Ton) capacity.

[NutLoose]

As said above, but this might help

http://www.meyerhydraulics.com/chart.php

https://m.aircraftspruce.com/catalog...ationChart.pdf

[slowto280]

Gentlemen, thank you. Is there some kind of ‘formula’ for jacking (jack size) an aircraft?

Again, thanks for your input!

[IFixPlanes]

If you want to do serious maintenance than do it according the manual.

[slowto280]

I really tried to be 'nice' and thought I put out a couple of questions in a reasonable/responsible way...

The Learjet manual I have (chapter 7 is 13 pages...) gives part numbers for jack pads and a tailstand, but when it comes to jacks - it merely says 'commercially available' with no indication of rating.

This is a need at an A &P school to jack an unserviceable Lear.

Pretty typical (unfortunately) of Pprune though....

Thanks much.

[Lear_doctor]

These guys at TronAir have a solution. I suspect from your description you are looking to jack a Learjet 35, the link below relates to that, but if not their website allows you to enter different types.

https://www.tronair.com/tool-and-equ...ess/Learjet-35

regards

The Doc

[slowto280]

188, Loose and Dr.,

Thanks a bunch for your positive (and helpful) input.

If 188 is as in L-, many fond memories of same - ahead of it's time.

Left Dubai end of last year after almost 9 years - have to say I miss it....

Long story, but in aviation well over 40 years and have never 'jacked' an airplane (or researched for that matter...), yes, I guess one could call that 'priceless'.....

Thanks again gents!