Visual Inspection of Heritage Mosques Using Unmanned Aerial Vehicle (UAV) and Condition Survey Protocol (CSP) 1 Matrix: A Case Study of Tengkera Mosque and Kampung Kling Mosque, Melaka

Heritage buildings have unique architectures. According to the National Heritage Department, the concept of conservation of the heritage accepted and practiced universal is 'Authenticity in Heritage Conservation'. The dilapidated study is the practice of identifying and recording building defects by means of photographic and digital documentation prior to conservation work. The objectives of this study is to identify the roof and mosque tower conservation methods and to visually record and analyze information in order to know the type of defect or damage that occurs in the heritage mosque structure. The use of Unmanned Aerial Vehicle (UAV) was used for roof and tower inspection at Tengkera Mosque and Kampung Kling Mosque which later the images were generated using Pix4D Mapper. The CSP1 Matrix Assessment Protocol is used as a rating tool because it is ideal for a variety of structures to classify data based on the circumstances and the assessment of its harm. There are 13 defects area at Kampung Kling Mosque and 11 defects at Tengkera Mosque consisting paint faded, vegetation growth, and crack. From results obtained in this study, a thorough maintenance can be done.