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CONTEXT: The aerospace industry is facing the challenge of keeping track of tens of thousands of different parts and sharing related part information and airworthiness status within the industry. Missing and/or unknown documentation leads to disruption and in worst case scenarios to fatal accidents, since some airlines face difficulties in keeping track of the detailed maintenance history for example of each fan blade within an engine.

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A non-removable crypto-enabled UHF RFID Tag is attached to the part creating a unique identifier on the blockchain

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Support for decentralised parts tracking and traceability with a blockchain-backed connection

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Support verifiable industry participant identity tracking; only known and trusted parties are allowed to handle said parts

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A printing service connects ERP systems with UHF RFID printers

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Storage and secure distribution of part metadata via a distributed meta-database, where each entry is immutably linked to its blockchain twin

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Counterfeits can easily be spotted by anyone using industry applications and devices for verification processes

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CHALLENGE MAINTENANCE RECORDS TRACEABILITY OF PARTS

CURRENT SITUATION

From initial delivery to retirement, an aircraft will usually change owner or operator up to six times. At each handover, maintenance documentation can get lost as paper records are prone to be forgotten, mishandled or destroyed. This risk applies to 90 % of all aircraft documentation.

LIMITATIONS

Inefficiencies occur due to manual data transfers, different import- & export- interfaces of proprietary software which includes paper scans / OCR and copy- & paste.

The risk of human error can lead to inadequate configuration control in airworthiness compliance:

  • Airworthiness Directive non-compliance

  • Incorrect parts fitted

  • Inspections not carried out at required intervals

  • Parts not changed at required intervals

  • Work not performed by properly certified personnel

Redundancies across different systems bring the risk of being out-of-sync and not knowing which the most recent and / or correct data set is; inadequate tools and processes create huge resource wastage.


RIDDLE&CODE / EWINGZ SOLUTION

  • The non-removable R&C crypto chips are programmed with a cryptographic secret and are tagged, embedded into each part or packaging, in the form of a UHF RFID Tag

  • The cryptographic secret (unknown to us, the manufacturer or others) provides each product with a unique, immutable digital identity

  • This secret is unalterable, recorded and stored on the blockchain

  • Only approved and certified users/organizations can add dedicated product information like life cycle events (new, shipped, installed, removed, repaired)

  • A dedicated set of applications provides for simple product authentication checks and ownership registration

  • Metadata and life cycle events are securely stored and distributed via an ultra-resilient database, the fingerprint of this information is unalterable, stored and shared via the blockchain

  • A fingerprint and the metadata entry are searchable and linked to each other

  • Metadata and life cycle events are securely stored and distributed via an ultra-resilient database the fingerprint of this information is unalterable, stored and shared via the blockchain

  • A fingerprint and the metadata entry are searchable and linked to each other

BENEFITS

RFID (in combination with other Auto-ID related technologies such as 2D DataMatrix) provides numerous opportunities to improve the efficiency of aircraft maintenance and airline supply chain and logistics.

Anyone, anywhere, using the apps dedicated to the aviation industry, can check the authenticity and airworthiness status of a part on demand.

  • Manufacturers can securely store their products’ proof of authenticity, ownership record and other documentation, like warranties while preserving their private data.

  • Suppliers can protect their brand identity, deliver on their brand promise and re-build consumer trust by providing the tools and transparency to prove it.


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PO triggers initial Escrow transaction

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Part production via a proprietary ERP system

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Unique identifier gets attached with PrivKey + PubKey

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ATA Spec 2000 Certificate, Fingerprint Hash stored in Blockchain, XML based Metadata stored in distributed Meta Database

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Logistics - advanced shipping notice using UBL 2.2 Standard is getting sent, triggered via a UHF RFID reader

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Receiving message sent to distributor using UBL 2.2 messaging Standard / logistics department of receiving party performs incoming inspection

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Part with ID gets installed into Airplane, Technician Zertifikation + Company Cert gets associated with the Tag/part and attested to the blockchain

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Escrow settlement released based on agreed payment conditions as the technician confirms that all is good and in accordance with the manufacturer instructions as described in the relevant maintenance at time of installation.

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