# ISO 1540:1977 — Withdrawn and superseded ISO standards

For ISO 1540:1977, item title is Aerospace — Characteristics of aircraft electrical systems; status code is 9599; successor is ISO 1540:1984; withdrawn / published date is 1977-12-01, recorded from its source on 2026-08-05.

- **Identifier:** ISO 1540:1977 _(verified: appears in the quote below)_
- **Item title:** Aerospace — Characteristics of aircraft electrical systems _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 1540:1984
- **Withdrawn / published date:** 1977-12-01 _(verified: appears in the quote below)_

## What the source says

> 6130,IS,,ISO 1540:1977,Aerospace — Characteristics of aircraft electrical systems,Aéronautique — Caractéristiques des réseaux électriques à bord des aéronefs,1977-12-01,1,['49.060'],ISO/TC 20,9599,,[6131],"['en','fr']",19,

## Source

- https://isopublicstorageprod.blob.core.windows.net/opendata/_latest/iso_deliverables_metadata/csv/iso_deliverables_metadata.csv

Last verified: 2026-08-05. Review by: 2027-02-01.
Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).