diff --git a/src/data/satelliteClass.js b/src/data/satelliteClass.js
index 29bc44a63..ef2c32b6a 100644
--- a/src/data/satelliteClass.js
+++ b/src/data/satelliteClass.js
@@ -167,9 +167,14 @@ export function satelliteClassColor(group) {
  * @param {{ isIss?: boolean }} [options] Whether this is the ISS.
  * @returns {string} Display label.
  */
-export function satelliteClassLabel(group, { isIss = false } = {}) {
+export function satelliteClassLabel(
+  group,
+  { isIss = false, localize = true } = {},
+) {
   const { klass, subtype } = satelliteClassOf(group, { isIss });
-  const base = t(CLASS_DISPLAY_KEYS[klass].label);
+  // localize: false keeps the English label for data the AI tools query.
+  const label = CLASS_DISPLAY_KEYS[klass].label;
+  const base = localize ? t(label) : label;
   return subtype ? `${base} · ${subtype}` : base;
 }
 
diff --git a/src/i18n/index.js b/src/i18n/index.js
index 0cb04c995..14855be91 100644
--- a/src/i18n/index.js
+++ b/src/i18n/index.js
@@ -109,6 +109,18 @@ export function tn(count, one, other, values) {
   return interpolate(pattern, { ...values, count });
 }
 
+/**
+ * Translate text that may be ours or may come from a provider: a catalog
+ * entry is used when there is one, anything else shows as given, without a
+ * missing-translation warning.
+ */
+export function translateKnown(text) {
+  const catalog = CATALOGS[currentLocale];
+  if (!catalog || typeof text !== 'string') return text;
+  const entry = catalog[text];
+  return typeof entry === 'string' ? entry : text;
+}
+
 /** Mark English text that is stored in data and translated later by t(). */
 export function msg(text) {
   return text;
diff --git a/src/i18n/locales/es.json b/src/i18n/locales/es.json
index b2901c984..8c8115e82 100644
--- a/src/i18n/locales/es.json
+++ b/src/i18n/locales/es.json
@@ -2030,5 +2030,7 @@
   "subject": "sujeto",
   "{value}m": "{value} m",
   "Google 3D tiles unavailable — check the key's API restrictions, quota, or network": "Teselas de Google 3D no disponibles: revisa las restricciones de API de la clave, la cuota o la red",
-  "Needs {envVars} — add it in Provider Settings — or a Cesium ion token for the ion-hosted route": "Necesita {envVars} — añádela en Ajustes de proveedores — o un token de Cesium ion para la ruta alojada en ion"
+  "Needs {envVars} — add it in Provider Settings — or a Cesium ion token for the ion-hosted route": "Necesita {envVars} — añádela en Ajustes de proveedores — o un token de Cesium ion para la ruta alojada en ion",
+  "Comparison in use by another scene": "La comparación está en uso por otra escena",
+  "A location reading needs a loaded forecast and the Earth at the center of the view.": "Una lectura en un punto necesita un pronóstico cargado y la Tierra en el centro de la vista."
 }
diff --git a/src/i18n/locales/ru.json b/src/i18n/locales/ru.json
index 1b840bf7e..aa9dd4562 100644
--- a/src/i18n/locales/ru.json
+++ b/src/i18n/locales/ru.json
@@ -2062,5 +2062,7 @@
   "subject": "объект",
   "{value}m": "{value} м",
   "Google 3D tiles unavailable — check the key's API restrictions, quota, or network": "Тайлы Google 3D недоступны — проверьте ограничения API ключа, квоту или сеть",
-  "Needs {envVars} — add it in Provider Settings — or a Cesium ion token for the ion-hosted route": "Нужен {envVars} — добавьте его в «Настройках провайдеров» — или токен Cesium ion для маршрута через ion"
+  "Needs {envVars} — add it in Provider Settings — or a Cesium ion token for the ion-hosted route": "Нужен {envVars} — добавьте его в «Настройках провайдеров» — или токен Cesium ion для маршрута через ion",
+  "Comparison in use by another scene": "Сравнение занято другой сценой",
+  "A location reading needs a loaded forecast and the Earth at the center of the view.": "Для показания в точке нужен загруженный прогноз и Земля в центре вида."
 }
diff --git a/src/layers/alpr/index.js b/src/layers/alpr/index.js
index f2f6cb2c7..bd7c45c4e 100644
--- a/src/layers/alpr/index.js
+++ b/src/layers/alpr/index.js
@@ -294,7 +294,8 @@ export function createAlprCamerasLayer({ source, services } = {}) {
     id: LAYER_ID,
     name: 'ALPR Cameras',
     icon: '📷',
-    source: t(source.label || msg('Mapped camera locations')),
+    // English in layer state; the layer row translates it.
+    source: source.label || msg('Mapped camera locations'),
     updateInterval: 0,
     statsRefreshInterval: 1000,
     init(viewer) {
diff --git a/src/layers/directions/index.js b/src/layers/directions/index.js
index 045b7f106..df3b44c9e 100644
--- a/src/layers/directions/index.js
+++ b/src/layers/directions/index.js
@@ -557,7 +557,8 @@ export function directionsStats(state) {
     armed,
     pointerBlocked,
   } = state;
-  const source = t('OSM routing');
+  // English in layer state; the layer row translates it.
+  const source = 'OSM routing'; // i18n-ignore: source name, translated by layerPanel
   if (pointerBlocked) {
     return {
       count: route?.steps.length || 0,
diff --git a/src/layers/recentImagery/index.js b/src/layers/recentImagery/index.js
index daf9a917d..969a6a8de 100644
--- a/src/layers/recentImagery/index.js
+++ b/src/layers/recentImagery/index.js
@@ -47,7 +47,7 @@ export const SPLIT_PUBLISH_MS = 400;
 /** The three modes, in share-link order (`m` = index). */
 export const MODES = Object.freeze(['image', 'basemap', 'ab']);
 
-const COMPARISON_IN_USE = 'Comparison in use by another scene';
+const COMPARISON_IN_USE = msg('Comparison in use by another scene');
 // Kept English in the snapshot (AI tools read it); the card translates them.
 const COMPARISON_UNAVAILABLE = msg('Esri map unavailable · no swipe');
 const COMPARISON_NEEDS_GLOBE = msg('Swipe needs a globe map');
diff --git a/src/layers/satellites/records.js b/src/layers/satellites/records.js
index eddae75b6..d4fb4d076 100644
--- a/src/layers/satellites/records.js
+++ b/src/layers/satellites/records.js
@@ -37,7 +37,9 @@ export function mapAnalystRecord(raw) {
     // Empty records stay class-less; the class table's fallback is VISUAL and
     // must not leak onto a row that has no satellite identity.
     satelliteClass:
-      noradId || group ? satelliteClassLabel(group, { isIss }) : null,
+      noradId || group
+        ? satelliteClassLabel(group, { isIss, localize: false })
+        : null,
     group,
   };
 }
diff --git a/src/layers/satellites/tracking.js b/src/layers/satellites/tracking.js
index 7bdb1d29f..2986d5344 100644
--- a/src/layers/satellites/tracking.js
+++ b/src/layers/satellites/tracking.js
@@ -239,7 +239,10 @@ export function createTracking({ state: layerState, services, parts, source }) {
         name,
         operator: '',
         noradId: String(noradId),
-        class: satelliteClassLabel(sat.group, { isIss: noradId === ISS_NORAD }),
+        class: satelliteClassLabel(sat.group, {
+          isIss: noradId === ISS_NORAD,
+          localize: false,
+        }),
         altitude:
           altitudeKm === null ? '' : `${altitudeKm.toLocaleString('en-US')} km`,
       },
diff --git a/src/layers/wind/inspection.js b/src/layers/wind/inspection.js
index dd57658f0..16cb2e91e 100644
--- a/src/layers/wind/inspection.js
+++ b/src/layers/wind/inspection.js
@@ -65,8 +65,9 @@ export function inspectWindAtCenter(
       model,
       validTime,
       status,
-      explanation:
+      explanation: msg(
         'A location reading needs a loaded forecast and the Earth at the center of the view.',
+      ),
     };
   const location = cesium.Cartographic.fromCartesian(point, ellipsoid);
   const lon = cesium.Math.toDegrees(location.longitude);
diff --git a/src/maps/imageryHost.js b/src/maps/imageryHost.js
index 2e227b47c..3953ef69a 100644
--- a/src/maps/imageryHost.js
+++ b/src/maps/imageryHost.js
@@ -6,7 +6,13 @@
  */
 
 /** Guidance shown when the active map stack cannot host draped imagery. */
-export const NO_IMAGERY_HOST = 'Hidden by this map source · choose a globe map';
+// Marks text for i18n extraction without importing i18n here; the UI
+// translates it where it is shown.
+const msg = (text) => text;
+
+export const NO_IMAGERY_HOST = msg(
+  'Hidden by this map source · choose a globe map',
+);
 
 /**
  * Resolve the imagery layer collection for the active map stack.
diff --git a/src/ui/layerPanel.js b/src/ui/layerPanel.js
index 65157aab3..dbb7dc942 100644
--- a/src/ui/layerPanel.js
+++ b/src/ui/layerPanel.js
@@ -5,7 +5,7 @@ export { layerFeedState } from '../data/feedState.js';
 import { GUIDANCE_STATUSES } from '../loadingFeedback.js';
 import { keySetupRequirementEnvVars } from '../keySetupCore.mjs';
 import { createWeatherPanel } from './weatherPanel.js';
-import { t, msg } from '../i18n/index.js';
+import { msg, t, translateKnown } from '../i18n/index.js';
 
 // Feed-state enum VALUES are machine identifiers (layerFeedState contract, QA
 // hooks, CSS feed-* classes); only the final label value translates, at this
@@ -176,6 +176,8 @@ const SOURCE_LABEL_KEYS = new Map(
     msg('NOAA nowCOAST · OBSERVED'),
     msg('NASA FIRMS · LIVE'),
     msg('OSM routing'),
+    msg('Mapped camera locations'),
+    msg('OpenStreetMap · community mapped'),
   ].map((key) => [key, key]),
 );
 
@@ -721,8 +723,9 @@ export class LayerPanel {
         { source },
       );
     }
-    const presentedError =
-      stats.error || stats.lastError || stats.managerRefreshError;
+    const presentedError = translateKnown(
+      stats.error || stats.lastError || stats.managerRefreshError,
+    );
     if (presentedError) {
       if (typeof stats.retryInSec === 'number' && stats.retryInSec > 0) {
         return t('{state} · {source} · {detail} · retry {seconds}s', {
@@ -751,14 +754,14 @@ export class LayerPanel {
     if (stats.loading) {
       const loadingLabel =
         typeof stats.loadingLabel === 'string' && stats.loadingLabel.trim()
-          ? stats.loadingLabel.trim()
+          ? translateKnown(stats.loadingLabel.trim())
           : t('loading...');
       return t('{source} · {loadingLabel}', { source, loadingLabel });
     }
     if (feedState === 'fallback') {
       const detail =
         typeof stats.loadingLabel === 'string' && stats.loadingLabel.trim()
-          ? stats.loadingLabel.trim()
+          ? translateKnown(stats.loadingLabel.trim())
           : stats.coverage || ago;
       return t('{state} · {source} · {detail}', {
         state: stateLabel,
@@ -803,7 +806,7 @@ export class LayerPanel {
     if (typeof stats.loadingLabel === 'string' && stats.loadingLabel.trim()) {
       return t('{source} · {loadingLabel}', {
         source,
-        loadingLabel: stats.loadingLabel.trim(),
+        loadingLabel: translateKnown(stats.loadingLabel.trim()),
       });
     }
     return t('{source} · {ago}', { source, ago });
@@ -861,7 +864,9 @@ export class LayerPanel {
         ? t('UNAVAILABLE', { context: 'status chip' })
         : stateText;
     const keyGuidance = unavailable
-      ? String(layer.stats.error || t('Data source unavailable'))
+      ? String(
+          translateKnown(layer.stats.error) || t('Data source unavailable'),
+        )
       : layerKeyRequirementTooltip(layer);
     // Name the missing key on the control itself: a row reading KEY REQUIRED
     // without saying WHICH key leaves a dead control and no next step. Empty
diff --git a/src/ui/recentImagery.js b/src/ui/recentImagery.js
index a3bae70e4..c7828e174 100644
--- a/src/ui/recentImagery.js
+++ b/src/ui/recentImagery.js
@@ -8,7 +8,7 @@
  * strip and selection bar are this adapter's own keyed DOM. Source toggles
  * live on the data-panel row.
  */
-import { t, tn, msg, formatNumber } from '../i18n/index.js';
+import { formatNumber, msg, t, tn, translateKnown } from '../i18n/index.js';
 import { createRailCardBlocks } from './railCardBlocks.js';
 import { createRailCards } from './railCards.js';
 import { createImagerySplit } from './imagerySplit.js';
@@ -39,7 +39,7 @@ function localizeNotice(text) {
   if (!text) return '';
   if (LAYER_NOTICES.has(text)) return t(text);
   const tooLarge = TOO_LARGE.exec(text);
-  if (!tooLarge) return text;
+  if (!tooLarge) return translateKnown(text);
   const values = {
     size: formatQuantity(Number(tooLarge[2].replace(/,/g, '')), 'km', {
       useGrouping: true,