Standards

HB 8423.8-2023 Active

HB 8423.8-2023 Metal material identification method - Part 8: Identification of Co-based superalloy designation using spectrum analysis

This document specifies the principles, instruments, working conditions, and identification steps for identifying cobalt-based (with cobalt as the main alloying element) high-temperature alloy grades using spectral analysis methods. This document is applicable to the identification of cobalt-based high-temperature alloy grades listed in Table A.1. For cobalt-based high-temperature alloy grades not listed in Table A.1, as long as the types of alloying elements and their contents (i.e., mass fractions) are within the ranges defined by the detection limits of each corresponding element in this section, they can be used for reference.

Publish Date: 2023-12-29

HB 8423.7-2023 Active

HB 8423.7-2023 Metal material identification method - Part 7: Identification of nickel-based high-temperature alloy grades using a spectrum analysis

This document specifies the methodological principles, instruments, working conditions, and identification steps for identifying high-temperature alloys (hereinafter referred to as nickel-based high-temperature alloys) with nickel as the main alloying element using spectral analysis methods. This document is applicable to the identification of all types of nickel-based high-temperature alloys listed in Table A.1. For types of nickel-based high-temperature alloys not listed in Table A.1, as long as the types of alloying elements fall within the range of elements listed in Table A.1, and the content of the alloying elements (i.e., mass fraction) is within the range defined by the determination intensity of each corresponding element in this document, they can be used for reference.

Publish Date: 2023-12-29

HB 7752-2023 Active

HB 7752-2023 Aviation room temperature vulcanizing polythene sealant specification

This document specifies the requirements, test methods, inspection rules, packaging, marking, transportation, storage, quality certificates, user manuals, and order document contents for room-temperature vulcanized polysulfide sealants used in aviation. This document is applicable to XM16, XM22, XM28, HM108, and HM109 room-temperature vulcanized polysulfide sealants.

Publish Date: 2023-12-29

HB 7110-2023 Active

HB 7110-2023 The method for determining the detailed fatigue rated strength threshold value of metal materials

This document specifies the samples, testing equipment, testing procedures, test data processing, and test reports for determining the fatigue rating strength limit values of metal materials. This document is applicable to determining the fatigue rating strength limit values of metal materials at room temperature.

Publish Date: 2023-12-29

HB 5261-2023 Active

HB 5261-2023 Metal material K-R curve test method

This document specifies the specimens, testing equipment and devices, testing procedures, calculation of test results, and test reports for the K-R curve test of metal materials. This document is applicable to the determination of the K-R curve of metal materials using center crack tensile M(T) specimens and compact tensile C(T) specimens.

Publish Date: 2023-12-29

HB 8761-2023 Active

HB 8761-2023 The software requirements for the ground control unit of a lightweight, small-scale multi-rotor civilian drone system

This document specifies the general requirements for the ground control unit software of civilian small and medium-sized multi-rotor drones (hereinafter referred to as "drones"). This document is applicable to the design, development, testing, and maintenance of drone ground control unit software. Other drone ground control unit software can be implemented in accordance with this document.

Publish Date: 2023-12-29

HB 8759-2023 Active

HB 8759-2023 Unmanned modification of fixed-wing aircraft with flying personnel requirement

This document specifies the design requirements, implementation requirements, and verification requirements for the unmanned modification of manned aircraft (fixed-wing aircraft). This document applies to the unmanned modification of manned aircraft (fixed-wing aircraft).

Publish Date: 2023-12-29

HB 8757-2023 Active

HB 8757-2023 HB 8757-2023 Aircraft assembly process product protection requirements

This document specifies the protection measures for personnel, the environment, materials, equipment, and tooling during the assembly process of aircraft, as well as the lifting process, safety protection, contaminant control, and detailed requirements. This document applies to the protection measures during the assembly of aircraft parts (assemblies), components, systems, or finished products.

Publish Date: 2023-12-29

HB 8755-2023 Active

HB 8755-2023 HB 8755-2023 General Specification for All-Metal Articulated Bearings for Aircraft

This document specifies the technical requirements, quality assurance provisions, and delivery preparations for the lubrication of all-metal joint bearings (hereinafter referred to as "bearings") using grease in aircraft body structures. This document applies to the trial production, manufacturing, inspection, and acceptance of all-metal joint bearings and their components for aircraft.

Publish Date: 2023-12-29

HB 8754-2023 Active

HB 8754-2023 The general specification for a joint bearing with stainless steel outer ring and BeCu inner ring is provided

This document specifies the technical requirements, quality assurance provisions, and delivery preparations for the articulated bearings (hereinafter referred to as bearings) with a beryllium bronze material for the inner ring and a stainless steel material for the outer ring used in aircraft body structures. This document applies to the trial production, manufacturing, inspection, and acceptance of all-metal articulated bearings with a beryllium bronze inner ring and a stainless steel outer ring, as well as their components.

Publish Date: 2023-12-29

HB 8753-2023 Active

HB 8753-2023 HB 8753-2023 Aircraft Shaft End Self-lubricating Articulated Bearing General Specification

This document specifies the technical requirements, quality assurance, and delivery preparation for rod-end self-lubricating joint bearings using PTFE-containing self-lubricating liners. This document is applicable to the production, inspection, and user acceptance of rod-end self-lubricating joint bearings for aircraft.

Publish Date: 2023-12-29

HB 8750-2023 Active

HB 8750-2023 Requirements for controlling electromagnetic environmental effects of civil aircraft systems

This document specifies the content and requirements of electromagnetic environmental effect control during the development of civil aircraft. This document is applicable to complete civil aircraft, systems, subsystems, and equipment. Other civil aircraft can refer to and implement it accordingly.

Publish Date: 2023-12-29