NACT Engineering


NACT Products

Tethered Drone Systems

Smart TethersTM (BVLOS Solution)

Discover the limitless possibilities of our state-of-the-art smart tether system, which comes equipped with advanced features, providing unmatched opportunities for exploration and innovation.
  • Web-Based Control System
  • 360° Controllable Live Feed Ground Camera to Monitor Drone Movability
  • 360° Real Time Angle Sensing Analysis
  • Additional Standalone Camera Station, Wireless via 5G
  • Operating of drone from different locations via the NACT smart tether web for remote operations.



Lightest and truly portable standalone Tether 2K_ LeviathanTM, designed for one- man operation with ease. Proven to assist in confined space operation.
  • Weight: 7kg
  • Operate: Up to 4kg drone
  • Tether Length: 60m with the option to increase.
  • 80Mbps Tether Communications



High power capacity with minimum weight Tether 3K_ SeraohimTM, integrated with intelligent touchscreen interface along with advance data analysis functions.
  • Weight: 12kg
  • Operate: Up to 15kg drone
  • Tether Length:Up to 150m
  • 4K Live streaming with up to 10Gbps lag-less data transfer



Industrial and military grade Tether 4K_ TitanTM, with the same drone agnostic and fast deployability onsite.
  • Weight: 22kg
  • Operate: Up to 80kg Industrial drone
  • Tether Length:Up to 500m

NACT Products


Power ModulesTM

NACT Power Modules is designed for long distance DC power transfer using thin and light cables. Mobile platforms that require a lightweight or flexible tether cable are best coupled with our product.



The Sun@NightTM enables small and portable drones to quickly deploy lighting quality typical of infrastructure assets for enhancement in camera quality. It is compatible with NACT tether drone systems for increased operational time for many applications ranging from 10k to 150k lumens.



Fully customizable ChroniclesTM VPX power supply module is built to military standards comprising Mil-Std 810, Mil-Std 461, Mil-Std 704 etc, ensuring very stable supply voltage, minimal fluctuations, and low noise PSU during operation. ChroniclesTM assist with good compliance.


External Battery PacksTM

Enhance drone flight hours with NACT hot swappable battery pack ranging from 560Wh to 2100Wh to meet your needs.


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Mr Ooi Joon Hin

Board Director

Mr. Ooi is a director of Millennia-VFT Ventures Pte Ltd, and a managing director at Millennia Investment Management Pte Ltd, with more than two decades of investment management and banking experience. Prior to Millennia, he was with Lehman Brothers’ Investment Banking Division from 1994 to 2002 and worked in that firm’s New York, Hong Kong, and Singapore offices. He served as Senior Vice President and Co-head of Lehman Brothers Asia Energy Group from 2001-2002 and prior to that was Vice President of corporate finance execution for Lehman Brothers’ Southeast Asian investment banking team. Before joining Lehman Brothers, he was a senior accountant with Grant Thornton in New York from 1988 to 1992

Mr Raymond Lum

Board Director

Mr. Lum is currently the Managing Director of JLB Alliance Pte Ltd, a corporate finance advisory firm in Singapore. He brings more than 24 years of experience in operations and management, of which 17 years within the technology sector. Mr. Lum led efforts in digital transformation, mergers & acquisitions, corporate planning, business operations, and international business expansion within the technology, built environment, real estate, retail, distribution and logistics & fulfilment sectors.

Prior to joining JLB Alliance, Mr. Lum was the COO of Boustead Projects Ltd, and held various roles in TeleChoice International Ltd, SIA Engineering Company Ltd, KPMG Corporate Finance Pte Ltd, Infocom-Media Development Authority, ST Electronics (Info-software systems) Pte Ltd and Squire Mech Pte Ltd.

Mr. Lum is a Senior Member of the Institution of Engineers Singapore, a Fellow Chartered Accountant of Singapore, a Chartered Accountant of the Institute of Chartered Accountants in England and Wales, and a Member of the Singapore Institute of Directors. He holds a Master of Business Administration from Nanyang Technological University (Singapore), Master of Science in Applied Finance from the Singapore Management University, and Bachelor of Engineering (Honours) from the National University of Singapore.

Mr Chang Yew Kong

Board Director

Mr. Chang Yew Kong is Chairman of SIT IAC (ICT), Chairman of Wizvision, and serves on the Boards of HTX, DSCO and Tag Team. He is also Mentor/Advisor to SMEs in various technology sectors since retiring in 2016.

Mr Chang was President of ST Electronics Limited Software Systems Group (SSG) in July 2010, comprising ST Electronics (Info-Software Systems), ST Electronics (Training & Simulation Systems) and ST Electronics (Enterprise 1). He was also President / General Manager of STEE-InfoSoft from 1997 to December 2013.

Mr Chang served in the Defence Science Organisation/MINDEF (1978 to 1985) and Data General Singapore (1985 to 1987) before joining Singapore Technologies. He held various senior management positions in the then Singapore Computer Systems Ltd (SCS) from 1987 to 1996.

Mr. Chang graduated from the then University of Singapore with a Bachelor of Electrical Engineering (First Class Honours) in 1978. He completed his Masters in Engineering and a Diploma in Business Administration in the National University of Singapore in 1982 and 1984 respectively and attended the Stanford-NUS Executive Program. Mr Chang is a Senior Member of Institution of Engineers (Singapore) and a Fellow of Singapore Computer Society.