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Post by jimtheeagle on Jun 29, 2018 10:13:46 GMT 12
Can one of the A-4 techies/pilots here answer a question on the A-4's seat? What I want to know is if it requires external power or engine power to raise it or does it use an aircraft battery? The scenario I have in mind is where a tall person raises it (possibly while the aircraft is connected to power) but when the next guy tries to adjust it for shorter legs later and it is not on external power or engine running, will it move?
It's been a while since I sat in one and I can remember how it moved, but not if we had outside power (or where the adjustment control was).
Thanks!
Jim
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Post by horicle on Jun 29, 2018 12:05:42 GMT 12
The seat was powered by the 3 phase a/c and required external power cart or engine running to work (no batteries /DC in this system). It was a useful check that the 3 phase power was correctly functioning before doing any equipment ground checks/functionals. No seat movement, go no further. My left hand does not quite remember where the switch was.
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Post by jimtheeagle on Jun 29, 2018 20:58:00 GMT 12
That answers my question and is incredibly helpful. Thanks!
Jim
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Post by skyhawkdon on Jul 2, 2018 21:14:51 GMT 12
In the A-4 the whole seat moved up and down, where-as on the Macchi just the seat pan moved. The up/down switch in the A-4 was on the RH outboard side console (also known as the RH wedge panel). It was SOP post Kahu to always motor the seat all the way up before entering or exiting the cockpit to protect the HOTAS throttle grip switches which were very easily damaged by your boot getting in an out of the cockpit! We also developed a red fibreglass throttle cover which was supposed to be fitted whenever any work was being done in the cockpit (like installing or removing the ejection seat). Before motoring the seat it was also important to make sure the lap belts weren't between the seat and the side consoles so you didn't jam the metal tongue between and damage the seat. SOP was for the belts to be on the seat pan unless the pilot was about to strap in.
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