Jet Tracker

Registry changes in a period (RAB changelog) (deprecated name)

jt_movements

Read-onlyIdempotent

DEPRECATED name of jt_registry_changes (same behaviour, kept until 2026-12-09). Changes in the Brazilian REGISTRY (RAB) between two dates, not airport movements: entry (new registration), exit (cancelled), owner_change, operator_change, status_change. Read from the RAB changelog kept by Jet Tracker since 2026-02-03. Filters (type, model, owner state uf, RBAC, segment; default executive) are applied in the database: total is the exact count for the filter in the period, found:false means zero in the whole period, and truncated only means there are more pages (nextCursor). Max 200 per call. Each row carries sameAirframeAs (other live registrations of the same serial + model: three reservations for one airframe are one aircraft, count once). A registry change is NOT a sale (see the caveat field). Aircraft arriving at or leaving an airport are not registry changes.

Input Schema

TableJSON Schema

Name	Required	Description
`to`	No	End date, YYYY-MM-DD (inclusive). Default: today.
`uf`	No	Registered state (UF) of the owner.
`from`	Yes	Start date, YYYY-MM-DD (inclusive).
`rbac`	No	91 private, 91k shared/fractional, 135 air taxi, 121 airline, 137 agricultural.
`type`	No	Only one kind of change: entry (new registration), exit (cancelled), owner_change, operator_change or status_change.
`limit`	No	Default 50.
`model`	No	Catalog slug, family slug or free text.
`cursor`	No	nextCursor from a previous page.
`segment`	No	Default executive.

Output Schema

TableJSON Schema

Name	Required	Description
`code`	No	Machine-readable error code (INTERNAL, TIMEOUT, INVALID_ARGUMENT, NOT_FOUND, TOOL_FAILED, ACCOUNT_KEY_REQUIRED).
`_meta`	No
`error`	No
`found`	No
`gated`	No
`requestId`	No
`retryable`	No
`quota_exceeded`	No

Schema Changelog

Changes observed during successful MCP inspections.

Changed1 schema field changedOct 7, 2026

changedInput schema / properties / uf / description

Previous value: -"Base state (UF)."New value: +"Registered state (UF) of the owner."

Changed1 schema field changedSep 28, 2026

changedOutput schema / properties / _meta / required

Previous value: -[
-  "tool",
-  "tier",
-  "source",
-  "asOf",
-  "gated",
-  "via"
-]New value: +[
+  "tool",
+  "source",
+  "asOf",
+  "gated",
+  "via"
+]

Changed8 schema fields changedSep 16, 2026

addedOutput schema / properties / _meta / properties / asOf / description
```
Added value: +"Alias of sourceUpdatedAt (kept for compatibility)."
```

addedOutput schema / properties / _meta / properties / generatedAt

Added value: +{
+  "description": "When this response was produced (ISO 8601).",
+  "type": "string"
+}

addedOutput schema / properties / _meta / properties / observedAt

Added value: +{
+  "anyOf": [
+    {
+      "type": "string"
+    },
+    {
+      "type": "null"
+    }
+  ],
+  "description": "Last event actually observed in the data returned (last flight, last arrival, last listing sighting)."
+}

addedOutput schema / properties / _meta / properties / sourceUpdatedAt

Added value: +{
+  "anyOf": [
+    {
+      "type": "string"
+    },
+    {
+      "type": "null"
+    }
+  ],
+  "description": "Last sync of the underlying source (RAB snapshot, registry import, listing scan). Never in the future."
+}

addedOutput schema / properties / _meta / properties / validUntil

Added value: +{
+  "anyOf": [
+    {
+      "type": "string"
+    },
+    {
+      "type": "null"
+    }
+  ],
+  "description": "Expiry of the fact returned, when it has one (CVA validity, period end)."
+}

addedOutput schema / properties / code

Added value: +{
+  "description": "Machine-readable error code (INTERNAL, TIMEOUT, INVALID_ARGUMENT, NOT_FOUND, TOOL_FAILED, ACCOUNT_KEY_REQUIRED).",
+  "type": "string"
+}

addedOutput schema / properties / requestId
```
Added value: +{
+  "type": "string"
+}
```
addedOutput schema / properties / retryable
```
Added value: +{
+  "type": "boolean"
+}
```

First observedSep 11, 2026

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