Tech Library
List of Tech Library
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Unmanned Aircraft: Inspection of Manufacturing Processes in Type Certification
Inspects that each process is set up appropriately to realize the design (1) Inspection of processes ●Inspection of documents Confirm that the requirements of design data, etc., are appropriately reflected in the documents that define the process. ●Inspection of actual products Confirmation that the manufactured product conforms to the design data. ●Witness inspection of the work process If the appropriateness of the contents cannot be confirmed only by inspecting the documents, the actual work process is witnessed and confirmed. (2)…
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Unmanned Aircraft: Flight Configurations and Flight Requirements for Each Category
The following is a list of flight types for each category of unmanned aircraft and the requirements for each flight, assuming aircraft certification. Category II flights may be flown without aircraft certification and/or pilot license by obtaining a flight permit/approval.
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Book Introduction Part 5
Follow me! Use “Artisan Tools” to Squash Design Troubles! -How to use FMEA, FTA and Design Review wisely! (Japanese version only) Author: Yoshimasa Kunii Publisher: Nikkan Kogyo Shinbunsha The book explains the methods of FMEA/FTA and design review, which are quality control methods, in an easy-to-understand manner. It explains why FMEA/FTA and design review are not so effective despite the fact that they are thoroughly implemented as a means to strengthen quality control. The book also provides simple examples of…
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UAS: Application Documents for Type Certification
UAS: Documents to be attached to the application for Type Certification The applicant for Type Certification must submit the application for Type Certification and its supporting documents by the specified time. For unmanned aircraft that are currently manufactured at the time of application, the time for submission of all attached documents is at the time of application, regardless of the submission time listed below. The following two items are included in the “Documents with Reference Matters”. ・The plan of management…
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UAS: Pre-coordination in Type Certification
UAS Type Certification Activity: Pre-coordination It is positioned as a preparation for smooth implementation of certification activities. Pre-coordination is a voluntary procedure, but it is advisable to conduct it in order to implement certification activities smoothly. Pre-coordination in Class 1 Type Certification is mainly intended to agree on general practical matters and coordinate the design concept of the aircraft, various standards to be used, an outline of the specifications of the unmanned aircraft, and the policy for proving conformity to…
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Unmanned Aircraft: Type Certification Process
Overview of the Type Certification Process in Japan The Type Certification process for unmanned aircraft is described in Circular No. 8-002 “Procedures for Type Certification of Unmanned Aircraft” issued by JCAB. Basically, the Type Certification activities for unmanned aircraft must be conducted in accordance with this process. The following is an overview of the Type Certification process. Please refer to Circular No. 8-002 for details on each step.
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Book Introduction Part 4
Dynamics of Atmospheric Flight Author： Bernard Etkin Publisher: John Wiley & Sons Inc. This textbook derives the dynamics of aircraft and spacecraft, taking into account the effects of the earth’s rotation and orbit. It is intended for those who want to study the equations of motion of airplanes thoroughly. Especially, if you understand chapters 4 and 5, you can simulate the motion of various vehicles moving in three dimensions. There are some misprints in some parts, and it is rumored…
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Book Introduction Part 3
Flight Dynamics (Japanese version only) Author: Hiroshi Maeda Publisher: Yokendo The author, who was not an aeronautics specialist but now teaches aeronautical engineering, has designed this book for beginners to understand the motions of aircraft, satellites, and rockets with knowledge at the college level, without using many difficult mathematical formulas. The book is very easy to understand and is recommended for those who aim to become aerospace engineers. The Story of Wings (Japanese version only) Author: Hiroshi Maeda Publisher: Yokendo…
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Book Introduction Part 2
Test Pilot’s Testimony: Struggles and Lessons Learned in Postwar Domestic Aircraft Development (Japanese version only) Author: Eizo Hasegawa Publisher: Kantousha The author, who participated in the development of the YS-11, C-1, and FA-200 as a test pilot after World War II, describes the conditions of flight tests, etc. The book includes information such as the communication between the pilot and the designer during the development of the YS-11, which can be used as a reference in the development of new…
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Introduction to Public Standards Search Site
This is an introduction to a site for searching and purchasing public standards related to drones, aircraft, etc. The MIL standards search site has an older version, but the standards themselves can be viewed. ASTM Standards: https://www.astm.org/ ASTM standards are developed and published by the American Society for Testing and Materials (ASTM International), a U.S. standards organization. There are standards for all industrial materials (iron and steel, nonferrous metals, rubber, plastics, coatings, textiles, etc.). SAE Standards: https://www.sae.org/standards SAE Standards are…
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UAS：ConOps Approach
About ConOps (Excerpt from NASA – ConOps Planning and Autonomy) ConOps refers to a very high-level, stakeholder-oriented graphical statement of the operational plan for a assumed system. It is particularly focused on how the system will be used to achieve end-user goals. ・Indicates the system’s operational limits, etc., and clarifies the requirements and functions for users. ・Detailed description of the mission overview and operational scenarios Figure shows an example of ConOps at NASA ConOps for UAS The ConOps required for…
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Certification Basis for Type Certification, etc.
Certification Basis The following two standards apply to Type Certification of UAS 1. Standards regarding strength, structure and performance to ensure safety of aircraft (Article 236-15 of Regulations for Enforcement Civil Aeronautics Act) 2. Standards established as necessary to ensure uniformity (Article 236-24 of Regulations for Enforcement Civil Aeronautics Ac) Inspection procedures for these standards are specified in Circular No. 8-001 “Inspection Procedures for Safety and Uniformity Standards for Type Certification, etc. of UAS”, which provides specific standards. However, special…