Backcountry Pilot • C185F rear bench seat to jump seats

C185F rear bench seat to jump seats

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C185F rear bench seat to jump seats

Id like to swap my big bench out for 2 small jump seats. Anyone making jump seats that drop right in without any or much mods?

Ideally Id like to keep using the bench and then having the option of 1 or 2 jump seats installed instead.
firebird offline
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Re: C185F rear bench seat to jump seats

Available for some 185s. What serial number range is yours?

You can look up seats in the illustrated parts manual. It's available free on line from Textron. It will show what factory seat options were available for yours.

Failing that, there are two folding seat options. Lakevue, and Atlee Dodge. If you need help to find previous discussions comparing these two on this site, please ask. We'll help, but that's not what you want, correct?
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Re: C185F rear bench seat to jump seats

Correct, I'm not looking for the last 2 manufacturers listed.

It's a 1974 I don't have the book infront of me I'll have to double check the serial.
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Re: C185F rear bench seat to jump seats

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Last edited by glacier on Wed Feb 03, 2021 6:11 am, edited 1 time in total.
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Re: C185F rear bench seat to jump seats

just a quick picture of my factory jump seats for reference, mine's a 75 model 185 F.

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Re: C185F rear bench seat to jump seats

I installed a single one of these factory jumpseats in my old C170, as a low-cost alternative to folders.
Easy install, worked great, quick to remove or replace.
You can sometimes find them cheap from someone who's upgraded to BAS or Dodge folders.
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Re: C185F rear bench seat to jump seats

Great Im going to get a hold of my AME he has an upholstery guy, I might get lucky.
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Re: C185F rear bench seat to jump seats

firebird wrote:Great Im going to get a hold of my AME he has an upholstery guy, I might get lucky.


The nutplates for these should already be installed in your side panels. Just pull the side panels to locate the holes, make matching holes in side panels, and you're there. The original factory bolts to attach these seats have a "handle" on them so you can install/remove without tools. I've installed and removed these things literally thousands of times, and they work well. If you have extended baggage, pull the backs off and the seats stow nicely in the aft baggage.

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Re: C185F rear bench seat to jump seats

The factory jump seats will not work in the 1976 A185F or 180J as they do not have the "Bracket Assembly-Rear Seat Attachment" part number 0511312-1 where the rear attachment screw secures the seat to the side wall. The serial numbers of the airplanes that these seats were originally installed in are 185-1150 thru 18502838 and 18503152 and on, and 18051775 thru 18052620 and 18052771 thru 18053203. There is a canceled service bulletin that address the installation in earlier model airplanes, when I have more time I will see if I can find it. One problem with earlier airplanes is that he seat belts are attached to the backseat and not the airframe. A friend of mine had done a few sky dive 182 conversions and the FAA is very picky about seat belt attachments, requiring field approvals of the attachment to the floor when the back seat is removed.

The little toggle bolts which are used to install the factory jump seats are made up of an AN eye bolt, a cable clevis end fitting, a clevis pin, and a cotter pin. I have one, I will look up the part numbers and post them when I get a chance, much less costly than the Cessna part.

Hope this helps.

Tim

There is a wealth of information in the parts manual if you spend a few minutes.
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Re: C185F rear bench seat to jump seats

bat443 wrote: The factory jump seats will not work in the 1976 A185F or 180J as they do not have the "Bracket Assembly-Rear Seat Attachment" part number 0511312-1 where the rear attachment screw secures the seat to the side wall. ....
and the FAA is very picky about seat belt attachments, requiring field approvals of the attachment to the floor when the back seat is removed. ....


When I installed one into my old C170, the aft attach bolted to the same place as the side attach for the stock bench rear seat-- kind of a built-up bracket on the side of the airplane. The forward attach bolt went into a new nutplate in the aft door post. There are no inboard attach bolts- the seat just sits on the floor. My seat belt for the jump seat was attached essentially the same as for the BAS folding seats I have now in the 180: a new bracket riveted to the side of the airplane for the outboard belt, and an eye assembly bolted to the stock rear seat attach nutplate in the floor on the airplane centerline for the inboard belt.

Image

Image
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Re: C185F rear bench seat to jump seats

hotrod180 the bracket that you used for the aft attachment in your 170 is the part number 0511312-1 I referred to in my previous post. The seat belt attach bracket you show in the photo is the same or very similar to the factory seat belt attach bracket in all 185's and 180's starting with serial number 18051313 (1964 180G). 180's prior to this did not have those seat belt attach brackets installed at the factory. If I was going to install jump seats in an early model 180, those are the attach brackets I would use.

Tim
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Re: C185F rear bench seat to jump seats

bat443 wrote:... The seat belt attach bracket you show in the photo is the same or very similar to the factory seat belt attach bracket in all 185's and 180's starting with serial number 18051313 (1964 180G). 180's prior to this did not have those seat belt attach brackets installed at the factory. If I was going to install jump seats in an early model 180, those are the attach brackets I would use. Tim


FWIW the installation directions for my BAS jumpseats call out the Cessna p/n's for the seatbelt attach brackets:
p/n 0711084-15 & -16 LH & RH seat belt anchor
p/n 0711083-1 center seat belt anchor
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Re: C185F rear bench seat to jump seats

bat443 wrote:The factory jump seats will not work in the 1976 A185F or 180J as they do not have the "Bracket Assembly-Rear Seat Attachment" part number 0511312-1 where the rear attachment screw secures the seat to the side wall. The serial numbers of the airplanes that these seats were originally installed in are 185-1150 thru 18502838 and 18503152 and on, and 18051775 thru 18052620 and 18052771 thru 18053203. ....


Here's a pic (below) of the RH rear seat bracket assembly in my C180.
Checked my IPC-- it is indeed p/n 0511312-1.
These brackets were factory installed in both my 1948 C170 & my 1953 C180,
as the ends of the stock rear bench seat attach to it.
In fact, FWIW the bench seats for those two airplanes were probably interchangeable.

Image
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Re: C185F rear bench seat to jump seats

Thanks for the photo hotrod180. The bracket shown in the photo is the one that is missing in 1976 185's and 180's, they would have to be added to the 1976 airplanes to use factory jump seats. The seat belt attach part numbers you posted check with the 185 and 1964 and newer 180 parts. I think there is enough information in this thread that anyone wanting to install the factory jump seats will figure it out. In the next day or two I will post the parts needed list for the seat attachment eyebolts, 0711122-1 and if I can find it the service bulletin.

Tim
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Re: C185F rear bench seat to jump seats

I didn't bother with the toggle style bolts for the side attach,
just used regualt AN bolts & a wrench to install or remove.
I'd like to read the service bulletin to see what it says.

FWIW after having one of these factory jumpseats,
I do find my BAS folders much more satisfactory.
More leg room for the sitter,
and easier to always have for that unexpected passenger.
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Re: C185F rear bench seat to jump seats

hotrod180 wrote:FWIW after having one of these factory jumpseats,
I do find my BAS folders much more satisfactory.
More leg room for the sitter,
and easier to always have for that unexpected passenger.



Agreed, you hit the nail on the head. I have the factory jump seats, which is nice....but the aftermarket stuff is much more comfortable if given the choice. Leg room is really nice.

The back seats in the 185 are cool for the utility...but my old 180 had the bench and it was legitimately comfortable for long trips.
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Re: C185F rear bench seat to jump seats

hotrod180 here you go, AK185-43a. Tomorrow I will post the part numbers to build the toggle bolts rather than pay Cessna just over $70 each.

Tim
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Re: C185F rear bench seat to jump seats

Googled up tha service bulletin.
Not much there except for p/n's.

https://support.cessna.com/custsupt/con ... s_id=33876
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Re: C185F rear bench seat to jump seats

The parts to make up the toggle bolt are AN43B-5A, SA362-4, AN392-9, and AN380-2-2. All available from Aircraft Spruce currently for
$11.75 total to make one.

Tim
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Re: C185F rear bench seat to jump seats

hotrod180 wrote:I didn't bother with the toggle style bolts for the side attach,
just used regualt AN bolts & a wrench to install or remove.
I'd like to read the service bulletin to see what it says.


If you have access to a welder, you can make up something like this....a bolt, washer, and a link of chain. No wrench required, and just a few cents each.

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