Help Buckle in his Back! Plane car seat needed!


Well-known member
When I flew with my son last year, he was 3 1/2 and about 35-40 pounds. I was really worried about the buckle being in his back. I got the radian just for that flight, because I didn't want to haul our marathon and I thought DS would be uncomfortable in our graco cargo. DS was fine in the radian on our 6 hour flight (and then another 1 hour flight) and 2 hour drive up to see my husbands family. He was comfy and didn't mention anything about the buckle in his back. I even asked him how it felt because I was concerned and he said it was fine.

The ridge right under the foam helps keep it away from the back and the stiff plastic helps make it unnoticable, I think.


Admin - CPST Instructor
Staff member
Piper has never complained about the buckle, even with a 14 hour straight flight. In fact she slept for 7.5 hours straight in her Radian with the buckle right in the middle of her back. I have a remarkably long stalk in my middle spot in my car as well and the buckle is right in the belt path. She's never mentioned that either, nor has any other child sitting in the seat.



New member
We have had this problem with our Ultra Cargo on the plane. I thought I read on this board somewhere that a belt extender would help, but I don't remember how it would work. My son never minded the buckle, but I'm worried about my daughter this summer when we travel. I was thinking of bringing the Cargo on the plane.


I know exactly what she is talking about, I bought a five point seat that turned into a booster, don't remember what seat it was for my then 2 yr. old to use on the plane, it had the flap that you pull up to access the belt path and we had the same problem, i ended up strapping it to an unoccupied seat and strapping her into the seatbelt because the seatbelt was digging into her back, i didn't know about the extender then, but that probably would have worked.
the extender doesn't work because it is on the side of the seat belt that doesnt include the big clasp. so if you have the extender on the other side, the location of the clasp in the middle of the back does not change.

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