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Tamper-evident SHA-256 hashing and server signing on every signed entry.
Built for the people who got tired of paper.
Built for mechanics and aircraft owners
FAR 43.9 · AC 120-78B
Built around FAR 43.9 record fields and AC 120-78B e-record concepts. Not an FAA certification.
Base Mainnet Anchoring
Hourly Merkle roots on Ethereum L2 (Base) mainnet — tamper-evident and independently verifiable
IPFS Copy
Self-hosted node, best effort
Ed25519 Signatures
Server-signed; mechanic co-sig opt-in
Platform Capabilities
A logbook built around aviation records: maintenance records, work orders, scheduling and compliance.
Append-only work orders, AD/SB compliance, and return-to-service entries. Every entry SHA-256 hashed and server-signed. Merkle roots are anchored hourly on Ethereum L2 (Base) mainnet, so entries are tamper-evident and independently verifiable.
Reservation board, dispatch pre-checks, and Hobbs/Tach logged at check-in.
SHA-256 hashes server-signed with Ed25519. Merkle roots are anchored hourly on Ethereum L2 (Base) mainnet. Detects any post-hoc modification to a signed entry.
Rules-driven checks for inspections, currency, and MEL deferral tracking.
How It Works
Fill out your maintenance record the same way you always have — just in a form instead of on paper. Work order, squawk, return-to-service — anything.
The moment you save, the system SHA-256 fingerprints the content, and applies a server Ed25519 signature. Mechanic co-signature is opt-in.
Each signed entry is SHA-256 hashed and server-signed, and anyone can check it on the public verifier with no account. Merkle roots are anchored hourly on Ethereum L2 (Base) mainnet, so entries are tamper-evident and independently verifiable.
The Seal Pipeline
How it worksEntry
Content recorded
SHA-256 Hash
a3f9d2…c1b4e7
Ed25519 Sign
Server key (mechanic opt-in)
Merkle Batch
Example: 247 entries / root
Base Anchor
Ethereum L2 (Base) mainnet · best-effort IPFS copy
Every anchor is publicly verifiable
Built For Your Role
Log work orders, discrepancies, and return-to-service entries. Every entry is SHA-256 hashed and server-signed; opt-in mechanic Ed25519 co-signature adds a second layer. Anyone, including an inspector, can check a signed entry on the public verifier with no account.
Get Started FreeWhy Choose Us
Maintenance records live in one platform, and every signed entry is SHA-256 hashed and server-signed.
Logbook, myAviationTools and Blockchain Explorer — all sharing one identity with cross-domain SSO.
Every signed entry is SHA-256 hashed and server-signed, and anyone can check it on the public verifier with no account. Any change to a signed entry shows up as a hash mismatch. Merkle roots are anchored hourly on Ethereum L2 (Base) mainnet.
Mechanics and aircraft owners share one account and one set of aircraft records, so everyone works from the same history.
Rules are stored as data, so inspection intervals and currency checks can be updated without a code change.
When a record is sealed we try to add a copy to a self-hosted IPFS node on our own server. It is best-effort: not a retention or recovery guarantee, and no offsite copy exists yet.
Free covers one aircraft. Pro is $14.99 per aircraft per month and Fleet is $100 per month for unlimited aircraft. Every plan includes tamper-evident SHA-256 hashing.
Pricing
Start free with one aircraft, no card. Pro is priced per aircraft, monthly or yearly, with a 15-day trial (card required, cancel anytime before day 15). Every signed entry is SHA-256 hashed and server-signed on every plan.
Free
One aircraft, the essentials, free to start.
Pro
For owners and small fleets. Everything unlocked. Up to 5 aircraft. 2 aircraft = $29.98/mo.
Fleet
Unlimited aircraft for operators and shops. Unlimited aircraft, one price.
All plans include SHA-256 hashing, server Ed25519 signing and a best-effort IPFS copy. Hourly Base mainnet anchoring is included. No hidden fees.
Replace the paper logbook with tamper-evident digital records. Your first aircraft is free.