Fleet & tech surfaces

Canonical authorityP13 Tech service

Per-tail technical state · single source

Dispatch gatePre-release blocking

AD/SB · MEL · defects all gate dispatch

Document authorityP07 (signed)

Engineer sign-off bound to release

Fleet roster

12 aircraft · per-tail technical state

9 dispatchable

Tail	Type	Base	State	MEL	AD/SB	Hours	Cycles	Next check
`CS-AXM`	A320neo	LIS	Dispatchable	0	0 open	21,408	9,142	A-check 2026-05-22
`CS-AXN`	A320neo	LIS	Dispatchable	1	0 open	20,877	8,901	A-check 2026-06-04
`CS-AXO`	A320neo	OPO	MEL active	2	0 open	19,314	8,240	A-check 2026-05-18
`CS-AXP`	A321neo	LIS	Dispatchable	0	0 open	16,882	6,944	C-check 2026-09-12
`CS-AXQ`	A321neo	OPO	Dispatchable	1	1 deferred	15,904	6,521	C-check 2026-10-04
`CS-AXR`	A330-900	LIS	Dispatchable	0	0 open	11,447	2,188	A-check 2026-05-30
`CS-AXS`	A330-900	LIS	No dispatch	3	1 open	10,989	2,044	Recovery open
`CS-AXT`	A321XLR	LIS	Dispatchable	0	0 open	3,412	988	A-check 2026-06-22
`CS-AXU`	A220-300	OPO	Dispatchable	1	0 open	14,088	7,412	A-check 2026-06-14
`CS-AXV`	A220-300	OPO	In maintenance	0	0 open	13,925	7,366	C-check now
`CS-AXW`	A220-300	FNC	Dispatchable	2	1 deferred	13,511	7,089	A-check 2026-07-03
`CS-AXX`	ATR 72-600	FNC	Dispatchable	0	0 open	9,074	11,280	A-check 2026-06-09

D7 · runtime · P13 Tech

Aircraft technical-state service

Per-tail technical state feeds the dispatch gate in real time. AFM revision, MEL list, AD/SB compliance, defect log, fluids, hours/cycles — all canonical from one service.

AuthorityP13 Tech service · canonical per tail
ConsumersD5 dispatch gate · D6 crew · D8 SMS
Cadencelive · event-driven

contract boundartifact shippedservices/p13-tech/src/tech_state.rs

D7 · workflow · M08–M10

Defect-management workflow

From open defect to closed evidence: rectification path, MEL deferral, parts ETA, engineer sign-off, P07 document binding — all chain-tracked.

Lifecycle statesOpen · Deferred · Rectifying · Closed
Document authorityP07 (engineer sign-off)
Linked surfacesMEL · AD/SB · technical-state

contract boundartifact pendingservices/p13-tech/src/defect.rs

D7 · runtime · regulator-grade

AD/SB compliance tracker

Airworthiness Directive + Service Bulletin compliance is tracked per tail with release-positive evidence. Every dispatch checks the AD/SB ledger before sign-off.

SourcesEASA AD · FAA AD · TC AD · OEM SB
Release-positiveP07 evidence required
AuditP05 append per compliance event

contract boundartifact shippedservices/p13-tech/src/ad_sb.rs

D4 substrate · reference

Fleet inventory (OpenSky 580k rows)

Signed SHA-256 fleet ingest from OpenSky as the canonical aircraft registry. Every tail in operation traces to a registry row.

SourceOpenSky Network
Volume≈580 000 rows
IntegritySHA-256 signed payload

contract boundartifact shippedconnectors/fleet/test_ingest.py