ISO 5332:2023

Civil small and light unmanned aircraft systems (UAS) under low-pressure conditions — Test methods

This document specifies test method to determine the operation ability of unmanned aircraft systems (UAS) at low-air-pressure conditions. This document is applicable to the category of civil small and light UAS, which applies to maximum take-off mass (MTOM) level II through V according to ISO 21895.

Aéronefs sans pilote (UAS) civils petits et légers en conditions de basses pressions — Méthodes d'essais

General Information

• Status: Published
• Publication Date: 18-Oct-2023
• ICS: 49.020 - Aircraft and space vehicles in general
• Technical Committee: ISO/TC 20/SC 16 - Unmanned aircraft systems
• Drafting Committee: ISO/TC 20/SC 16/WG 5 - Testing and evaluation
• Current Stage: 6060 - International Standard published
• Start Date: 19-Oct-2023
• Due Date: 12-Sep-2023
• Completion Date: 19-Oct-2023

Standards Content (Sample)

INTERNATIONAL ISO
STANDARD 5332
First edition
2023-10
Civil small and light unmanned
aircraft systems (UAS) under low-
pressure conditions — Test methods
Aéronefs sans pilote (UAS) civils petits et légers en conditions de
basses pressions — Méthodes d'essais
Reference number
ISO 5332:2023(E)
© ISO 2023

---------------------- Page: 1 ----------------------
ISO 5332:2023(E)
COPYRIGHT PROTECTED DOCUMENT
© ISO 2023
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on
the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below
or ISO’s member body in the country of the requester.
ISO copyright office
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: [phone]
Email: [e-mail]
Website: www.iso.org
Published in Switzerland
ii
  © ISO 2023 – All rights reserved

---------------------- Page: 2 ----------------------
ISO 5332:2023(E)
Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Test description . 1
4.1 General . 1
4.2 Test conditions . 1
4.2.1 Standard atmospheric conditions . 1
4.2.2 Test with low temperature and low air pressure . 2
4.2.3 Test with high temperature and low air pressure . 2
4.2.4 Allowed deviation . . . 3
4.2.5 Duration of exposure . 3
4.2.6 Rate of temperature change . 3
4.2.7 Rate of pressure change . . 3
4.3 Test article . 3
4.4 Test apparatus. 3
5 Test procedures . 3
5.1 Preconditioning . 3
5.2 Inspection before tests .
...

FINAL
INTERNATIONAL ISO/FDIS
DRAFT
STANDARD 5332
ISO/TC 20/SC 16
Civil small and light unmanned
Secretariat: ANSI
aircraft systems (UAS) under low-
Voting begins on:
2023-08-02 pressure conditions — Test methods
Voting terminates on:
2023-09-27
RECIPIENTS OF THIS DRAFT ARE INVITED TO
SUBMIT, WITH THEIR COMMENTS, NOTIFICATION
OF ANY RELEVANT PATENT RIGHTS OF WHICH
THEY ARE AWARE AND TO PROVIDE SUPPOR TING
DOCUMENTATION.
IN ADDITION TO THEIR EVALUATION AS
Reference number
BEING ACCEPTABLE FOR INDUSTRIAL, TECHNO-
ISO/FDIS 5332:2023(E)
LOGICAL, COMMERCIAL AND USER PURPOSES,
DRAFT INTERNATIONAL STANDARDS MAY ON
OCCASION HAVE TO BE CONSIDERED IN THE
LIGHT OF THEIR POTENTIAL TO BECOME STAN-
DARDS TO WHICH REFERENCE MAY BE MADE IN
NATIONAL REGULATIONS. © ISO 2023

---------------------- Page: 1 ----------------------
ISO/FDIS 5332:2023(E)
FINAL
INTERNATIONAL ISO/FDIS
DRAFT
STANDARD 5332
ISO/TC 20/SC 16
Civil small and light unmanned
Secretariat: ANSI
aircraft systems (UAS) under low-
Voting begins on:
pressure conditions — Test methods
Voting terminates on:
COPYRIGHT PROTECTED DOCUMENT
© ISO 2023
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on
the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below
or ISO’s member body in the country of the requester.
RECIPIENTS OF THIS DRAFT ARE INVITED TO
ISO copyright office
SUBMIT, WITH THEIR COMMENTS, NOTIFICATION
OF ANY RELEVANT PATENT RIGHTS OF WHICH
CP 401 • Ch. de Blandonnet 8
THEY ARE AWARE AND TO PROVIDE SUPPOR TING
CH-1214 Vernier, Geneva
DOCUMENTATION.
Phone: [phone]
IN ADDITION TO THEIR EVALUATION AS
Reference number
Email: [e-mail]
BEING ACCEPTABLE FOR INDUSTRIAL, TECHNO­
ISO/FDIS 5332:2023(E)
Website: www.iso.org
LOGICAL, COMMERCIAL AND USER PURPOSES,
DRAFT INTERNATIONAL STANDARDS MAY ON
Published in Switzerland
OCCASION HAVE TO BE CONSIDERED IN THE
LIGHT OF THEIR POTENTIAL TO BECOME STAN­
DARDS TO WHICH REFERENCE MAY BE MADE IN
ii
  © ISO 2023 – All rights reserved
NATIONAL REGULATIONS. © ISO 2023

---------------------- Page: 2 ----------------------
ISO/FDIS 5332:2023(E)
Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Test description . 1
4.1 General . 1
4.2 Test conditions . 1
4.2.1 Standard atmospheric conditions . 1
4.2.2 Test with low temperature and low air pressure . 2
4.2.3 Test with high temperature and low air pressure . 2
4.2.4 Allowed deviation . . . 3
4.2.5 Duration of exposure . 3
4.2.6
...

ISO/DIS FDIS 5332:2022(E)
ISO/TC 20/SC 16/WG 5
Date: 2023-04-30
Secretariat: ANSI
Civil small and light unmanned aircraft systems (UAS) under low-
pressure conditions — Test methods
FDIS stage

---------------------- Page: 1 ----------------------
ISO/DIS FDIS 5332:20222023(E)
© ISO 20222023
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this
publication may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical,
including photocopying, or posting on the internet or an intranet, without prior written permission. Permission can
be requested from either ISO at the address below or ISO’s member body in the country of the requester.
ISO copyright office
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: + 41 22 749 01 11
EmailE-mail: [e-mail]
Website: www.iso.org
Published in Switzerland
ii
ii © ISO 2022 – All rights reserved
 © ISO 2023 – All rights reserved

---------------------- Page: 2 ----------------------
ISO/DIS FDIS 5332:20222023(E)
Contents
Foreword . v
Introduction . vi
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Test description . 1
4.1 General . 1
4.2 Test conditions . 1
4.2.1 Standard atmospheric conditions . 1
4.2.2 Test with low temperature and low air pressure . 2
4.2.3 Test with high temperature and low air pressure . 2
4.2.4 Allowed deviation . 3
4.2.5 Duration of exposure . 3
4.2.6 Rate of temperature change . 3
4.2.7 Rate of pressure change . 3
4.3 Test article . 3
4.4 Test apparatus . 3
5 Test procedures . 4
5.1 Preconditioning . 4
5.2 Inspection before tests . 4
5.3 Conditioning . 4
5.4 Recovery .
...