737-9 Updates

History

777X

747-8

CST-100 Starliner

MQ-28

C-40A

787 Dreamliner

When specifying accessible names via `aria-labelledby`, ensure that the 
label elements exist.

## Explanation

Accessible names are required for many parts of a page, including form controls.
One way to accomplish this is to use `aria-labelledby` to specify the ID or IDs of 
other elements which contain a label. For example:

```html
<h2 id="dialog-labell">Important message!</h2>
<dialog aria-labelledby="dialog-label">
```

In this example, the `aria-labelledby` for the `<dialog>` points to an ID of `dialog-label`,
which doesn't exist. The heading it refers to instead has an ID of `dialog-labell`, presumably 
a typo.

## Why this matters

It isn't usually clear when an accessible name is broken, even during user testing.

This check helps to identify where an element clearly intended to have a label, but
that label is missing.

When a label is broken, it may be impossible for a user of assistive technologies
to understand what that element does.

missing-aria-labelled-by

January 2025

December 2024

Boeing

Title / URL	Issues
737-9 Updateswww.boeing.com/737-9-updates	36
Historywww.boeing.com/history	12
777www.boeing.com/commercial/777	12
777Xwww.boeing.com/commercial/777x	12
747-8www.boeing.com/commercial/747-8	12
CST-100 Starlinerwww.boeing.com/space/starliner	6
MQ-28www.boeing.com/defense/mq28	6
C-40Awww.boeing.com/defense/c-40a	6
787 Dreamlinerwww.boeing.com/commercial/787	6
767www.boeing.com/commercial/767	6

Fix missing ARIA label IDs

Boeing

Where this issue has occurred