GB/T 42856-2023 English PDF

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GB/T 42856-2023: Flight test requirements for civil large and medium unmanned helicopter systems flight performance
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Basic data

Standard ID: GB/T 42856-2023 (GB/T42856-2023)
Description (Translated English): Flight test requirements for civil large and medium unmanned helicopter systems flight performance
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: V37
Classification of International Standard: 49.060
Word Count Estimation: 14,161
Date of Issue: 2023-08-06
Date of Implementation: 2024-03-01
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 42856-2023: Flight test requirements for civil large and medium unmanned helicopter systems flight performance

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
ICS 49.060 CCSV37 National Standards of People's Republic of China Civil large and medium-sized unmanned helicopter system flight performance flight Test requirements Published on 2023-08-06 2024-03-01 Implementation State Administration for Market Regulation Released by the National Standardization Administration Committee

Table of contents

PrefaceⅠ 1 Scope 1 2 Normative reference documents 1 3 Terms and Definitions 1 4 General requirements 1 4.1 Test flight conditions 1 4.2 Test flight object 1 4.3 Test flight testing and test modification 2 4.4 Test flight data processing 2 5 Detailed requirements 2 5.1 Static pressure and airspeed measurement system calibration 2 5.2 Engine installed power loss3 5.3 Take off 3 5.4 Inclined climb 4 5.5 Rotation 5 5.6 Hovering and Vertical Climb6 5.7 Landing 7 5.8 Level flight 8 5.9 Limit height-speed envelope 9 5.10 Do not exceed speed 10 5.11 Battery life 10 6 Test flight report 11

Foreword

This document complies with the provisions of GB/T 1.1-2020 "Standardization Work Guidelines Part 1.Structure and Drafting Rules of Standardization Documents" Drafting. Please note that some content in this document may be subject to patents. The publisher of this document assumes no responsibility for identifying patents. This document is proposed and coordinated by the National Aircraft Standardization Technical Committee (SAC/TC435). This document was drafted by. China Flight Test Research Institute, China Aviation Comprehensive Technology Research Institute, China Helicopter Design Institute, Xi'an Ai Biotechnology Group Co., Ltd., State Grid Shandong Electric Power Company, and State Grid Intelligent Technology Co., Ltd. The main drafters of this document. Zhang Peitian, Shen Li, Hu Yingdong, Yang Wenfeng, Shu Zhenjie, Zhang Hua, Li Liangming, Zhao Jingchao, Zhang Zejing, Zhang Honglin, Qu Bin, Li Ning, Zhong Hai, Song Zhaoqi, Tang Tang, Li Jian, Li Jingwen, Xie Xinhong, Huang Zhenning, Wang Liang, Pan Jihui, Liu Liu, Zhang Fei, Duan Biao, Wang Jiuyuan. Civil large and medium-sized unmanned helicopter system flight performance flight Test requirements

1 Scope

This document specifies the content, purpose, conditions, implementation, data processing and Result evaluation and other requirements. This document is applicable to civil unmanned helicopter systems with a maximum take-off weight of not less than 150kg and using fuel or batteries as power source. Performance test flight, other types of unmanned helicopter test flights can be used as a reference.

2 Normative reference documents

The contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, the dated quotations For undated referenced documents, only the version corresponding to that date applies to this document; for undated referenced documents, the latest version (including all amendments) applies to this document. GB/T 38152 Unmanned aircraft system terminology

3 Terms and definitions

The terms and definitions defined in GB/T 38152 apply to this document.

4 General requirements

4.1 Test flight conditions The test flight site conditions (altitude, size and surface material of the runway or landing area, etc.) and atmospheric conditions (atmospheric temperature, atmospheric pressure, etc.) Atmospheric humidity and icing, etc.) should comply with the relevant provisions in the model technical requirements. 4.2 Test flight objects 4.2.1 General The technical status of the test flight object (the unmanned helicopter system being tested) should comply with the model technical requirements. Unless there are special provisions, the test flight objects are still Shall comply with the requirements of 4.2.2 and 4.2.3. 4.2.2 Power plant 4.2.2.1 Engine power guarantee The performance of the installed engine should not be lower than the minimum guaranteed performance of the engine. During the test flight, the engine maintenance requirements should be followed. Perform a guaranteed power check. 4.2.2.2 Power failure If shutting down the power unit, setting idle or using partial power is used to simulate power failure, it should be proven that the simulation method is consistent with the real power. ......

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