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Aerobatic Style Shoulder Harness - Royal Blue

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Part# 13-04126
MFR Model# H-827-600


2" Aerobatic Shoulder Harness, "Y" Style, Royal Blue. Metal fitting for attachment to seat belt buckle. Easily adjustable, harness combines with the 3 Military/Aerobatic Style seat belt (H-725) for a matched set. Retain your own aircraft fittings.
California Prop 65 Warning Symbol

WARNING: Cancer and Reproductive Harm -



Chuck D
August 27, 2020

I really appreciate the military-style belt clasp mechanism as opposed to the standard type buckle (should I say 1968 automobile-style) that had a tendency to come unfastened, usually at the most inopportune moments: in turbulence as I reached down to tighten the belt. The military style is NOT going to come unfastened unless I want it to! Should be standard equipment on all aircraft. I like the wider belt material. The leather pad that protects ones stomach/lap from the buckle is a great addition. My only complaint would be the folded belt and stitching that holds the buckles on is a bit long and can interfere with tightening the lap belt. Minor complaint. I flew this morning in some rough Colorado thermals and was tightly secured to the seat knowing it was NOT going to come unlatched!

Michael K
August 18, 2020

Great product but it doesn’t come with any installation hardware. The lap belt you can use the existing hardware, but you need a separate kit to be able to install the shoulder harness. Therefore, if you don’t already have the attaching hardware in the ceiling, this good product is useless. This hardware should be made available.

Forrest B
February 4, 2021

I just bought the belts, not the harness. They arrived very quickly. The workmanship is great. My only wish is that they were a little longer to accommodate a taller seat and larger than average person.

Rick B
April 22, 2019

Ordered a set of Silver Gray harnesses but had to return them - the color was more of a violet. My account was credited without any problems.

Bruce G
May 3, 2021


Please note, Aircraft Spruce's personnel are not certified aircraft mechanics and can only provide general support and ideas, which should not be relied upon or implemented in lieu of consulting an A&P or other qualified technician. Aircraft Spruce assumes no responsibility or liability for any issue or problem which may arise from any repair, modification or other work done from this knowledge base. Any product eligibility information provided here is based on general application guides and we recommend always referring to your specific aircraft parts manual, the parts manufacturer or consulting with a qualified mechanic.

Q: What is the length of each segment of the military seatbelt when extended fully?

PN 13-01200 Harness military #4 E2884-3 BLK is 75" from the tip of the single side to the tip of the shoulder side. PN 13-01100 Belt Only Military #4 BLK is 55" fully extended from tip to tip. Both of these part numbers make up one complete harness combination.

Q: 1. What is the bolt size for the attachment points? 2. It appears the shoulder harness attaches at one point behind the seat correct?

The bolt size is 5/16". Yes, it has one attach point for behind the seat.

Q: What is the width of these belts and harnesses, 2 or 3 inches?

These belts are 3 inches wide.

Q: The description is wrong. There is no 3 lap belt, and there is no buckle. It is just a shoulder harness

Thank you for bringing this to our attention. We have updated the product page.

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