payload integration





The HEF 32 has been designed to be a flexible, multi-sensor platform. It can be adapted for mission-specific systems and requirements, without complicated and expensive custom development projects. A wide variety of payloads has been integrated and operated succesfully. Operating multiple sensors at once, whilst flying through the harshest environments, sending back vast amounts of high-asset data, the HEF 32 can do it all.



The HEF 32 has a dedicated payload bay and mounting plate, which can be adapted to payload sizes, orientations and other requirements. The bay is mounted forward of the main landing gear, under the nose of the aircraft. The location provides an unrestricted field-of-view of more than 90 degrees to the left and right of the aircraft's centre line. The maximum structural weight which can be carried as payload is 5.0 kg. General payload dimensions should not exceed 500 x 300 x 360 mm, although certain off-sized payloads can be carried without imposing abnormal restrictions on the HEF 32's operational capabilities.





To prevent custom changes to the aircraft's design, a wide band of different electrical connections have been made available to power one or more payloads at a time. At 28.0 Volts, the onboard electrical system can provide up to 250 Watt of electrical power for the payload. Secondary available connections include 24, 12 and 8 Volts. For live communication to and from the payload, an IP Ethernet connection provides up to 120 MB/s data streaming capability to the Ground Control Station. The payload connection is environmentally protected at IP67 and EMI shielded, allowing the payload to be connected to the aircraft's shielding solution. All payload power and data streams are filtered when passing through the HEF 32's avionics system.


At the Ground Control Station, an IP Ethernet connection is provided to relay the payload data and control to any other computer or routing system. Several computers can be connected to the ethernet system to control multiple payload systems at once. Depending on the type of payload, data can be stored on board the HEF 32. Alternatively, the live data stream can be stored on the payload's ground computer systems.


The HEF 32 has not been specialized for a single type of payload, it provides a high level of flexibility for the integration of payloads for different purposes and from different markets. Over the years, many types have allready been integrated. This includes:


- Electro-optical stabilized and Nadir payloads (gimbals)

- Medium-wave IR payloads (gimbals)

- Laser range finders and target designators

- Survey-grade LIDAR systems

- Towable magnetometers

- Radio-spectrum analyzers and wideband antennae

- RF detection equipment

- Gas-detection and monitoring equipment

- Automatic Identification System (AIS) transceivers