Top 5 Data Downloading Perks of the HHMPI

The Handheld Multipurpose Interface (HHMPI) is one of Flight Data Systems’ best-selling technologies. For ground support crew, it is the signature device for downloading data from an aircraft’s Flight Data Recorder (FDR) and audio from a Cockpit Voice Recorder (CVR). From Maintenance, Repair, and Overhaul (MRO) facilities, OEMs, to military and business fleet managers, and a variety of ground support crews, the HHMPI is the “go to” all in one device for downloading flight data from an aircraft’s flight data recorder or an entire fleet.

While its flexibility is invaluable for operations with expansive fleets with a complex variety of systems, here is a list of the best features that provide invaluable downloading support for operators.

1. Interface Options

Managing aircraft flight data from a variety of applications can be a daunting task. However, the HHMPI is designed to simplify downloading and connect seamlessly to various FDR and CVR systems. The HHMPI enables swift downloading from the most popular FDRs and CVRs, including L3, Honeywell, Universal and Flight Data Systems’ signature SENTRY model.

2. Network Connectivity 

The HHMPI can be configured to automatically upload flight data to a secure FTP server upon connection to an Ethernet network. For added convenience the HHMPI can support wireless data transfer with a Wi-Fi adapter. The HHMPI can also be configured remotely with a web browser over a secure HTTPS connection.

3. Multiple Data Transfer Options

Transferring data to a ground station can easily be configured to either Ethernet, Wi-Fi, SD Card, USB Flash Drive, Compact Flash and PC Cards. Depending on the connected recorder, the HHMPI can support a variety of different FDR, CVR and DLR download options, including “Download All,” “Download Since Last,” “Download Memory Mark,” and “Download Time.” These options allow operators to save time by only downloading the data they need.

4. Fleet Management

To streamline its downloading capabilities to ground stations, the HHMPI conveniently interfaces with most CVRs and FDRs, including legacy recorders. The HHMPI stores aircraft fleet data, allowing operators to select specific tail numbers for downloading. This option enables operators the ability to isolate and monitor data from each aircraft.

5. Power Docking Cradle

After downloading data from an aircraft, the FDS40-0373 docking cradle provides the ability to transfer the data over Ethernet while charging the HHMPI unit. For operators, this charging and data offloading option provides rapid data collection and battery support through the docking station, optimizing turnaround time for an aircraft.

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Are You Aware Of The New Mexican Cockpit Voice And Flight Data Recorder Mandates?

Incremental changes are now in effect for Cockpit Voice Recorders (CVR) and Flight Data Recorders (FDR).

Across international air space today, mandates for flight data recording technologies, including Cockpit Voice Recorders (CVR) and Flight Data Recorders (FDR) technologies, are being phased in to provide fast and secure data collection capabilities from aircraft to gain operational insights for flight investigations and fleet management.

Amongst the latest to impose new regulations for CVR and FDR recorders is Mexico. The Mexican Civil Aviation Federal Agency is incrementally enforcing changes over the next year, and from Dec. 31, 2020, to Dec. 31, 2022, aircraft are to be equipped with CVR and FDR systems. These rules apply to fixed-wing aircraft with ten or more passengers and large helicopters flying into Mexican airspace under an international air operator certificate.

While strict CVR and FDR regulations are blanketing the international air space, recording devices are also evolving to allow impressive data capturing capabilities for more operational applications.

Two Solutions to the Mexican Mandate

In 2020, Flight Data Systems unveiled the latest TSO’d, DO-160G qualified and fully EUROCAE ED-112A compliant SENTRY (FDR/CVR/CVFDR) recorder, as the world’s smallest, lightest, and lowest power ED-112A compliant Flight Recorder ever manufactured. The unit was strictly configured around the principle of reduced Size, Weight, and Power (SWaP), which is designed at 4.5 lb (2kg) with a maximum power consumption of 4 W (less than half that of many competitor’s CVR or FDR devices).

To design the SENTRY, Flight Data Systems worked with both civil and military operators to develop this robust, all-encompassing unit that delivers the best future-proof features to ensure the system’s quality, with extensive consideration for the size constraints often found in the retrofit market. Its final configuration was designed from various existing recorders on the market, with special consideration to future needs. In the end, the system produces an obsolescence-free, crash survivable package with the lowest SWaP for ED-112A compliant recorders.

For operators opting to keep their current CVRs or FDRs, Flight Data Systems Modular Acquisition Unit (MAU) allows for multiple aircraft sensor feeds to be harmonized into one data feed. This system will support a wide range of signal input types, including ARINC 717, ARINC 429, GPS signal, analog inputs such as synchro, pitot, statics, and discretes. The MAU’s stackable footprint also provides operators with the ability to install a wide variety of aircraft, including fixed-wing, rotor-wing, and UAV.

The SENTRY and MAU provide solutions for operators of all aircraft types to customize this configurable system and conform to international regulations with an end-to-end solution that stores all flight information securely and reliably in a single form factor. To learn more about the SENTRY and to download its brochure, go to

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