diff --git a/addon/models/inspection-form.js b/addon/models/inspection-form.js
index 96a362e..6ac4d58 100644
--- a/addon/models/inspection-form.js
+++ b/addon/models/inspection-form.js
@@ -1,4 +1,6 @@
 import Model, { attr, belongsTo } from '@ember-data/model';
+import { computed } from '@ember/object';
+import { format as formatDate, isValid as isValidDate } from 'date-fns';
 
 export default class InspectionFormModel extends Model {
     @attr('string') uuid;
@@ -10,7 +12,6 @@ export default class InspectionFormModel extends Model {
     @attr('string') description;
     @attr('string') type;
     @attr('string') status;
-    @attr('string') frequency;
     @belongsTo('maintenance-subject', { polymorphic: true, async: false }) subject;
     @attr('raw') items;
     @attr('raw') settings;
@@ -25,15 +26,32 @@ export default class InspectionFormModel extends Model {
         return this.name || this.public_id;
     }
 
-    get createdAt() {
-        return this.created_at;
+    /**
+     * The display dates a table or a details panel reads. They returned the
+     * raw `Date`, which rendered as a full datetime instance string in a
+     * column; every other model in this package formats them here.
+     */
+    @computed('created_at') get createdAt() {
+        if (!isValidDate(this.created_at)) {
+            return null;
+        }
+
+        return formatDate(this.created_at, 'yyyy-MM-dd HH:mm');
     }
 
-    get updatedAt() {
-        return this.updated_at;
+    @computed('updated_at') get updatedAt() {
+        if (!isValidDate(this.updated_at)) {
+            return null;
+        }
+
+        return formatDate(this.updated_at, 'yyyy-MM-dd HH:mm');
     }
 
-    get publishedAt() {
-        return this.published_at;
+    @computed('published_at') get publishedAt() {
+        if (!isValidDate(this.published_at)) {
+            return null;
+        }
+
+        return formatDate(this.published_at, 'yyyy-MM-dd HH:mm');
     }
 }
diff --git a/addon/models/inspection-submission.js b/addon/models/inspection-submission.js
index 0c03e97..f4e5088 100644
--- a/addon/models/inspection-submission.js
+++ b/addon/models/inspection-submission.js
@@ -1,4 +1,6 @@
 import Model, { attr, belongsTo } from '@ember-data/model';
+import { computed } from '@ember/object';
+import { format as formatDate, isValid as isValidDate } from 'date-fns';
 
 export default class InspectionSubmissionModel extends Model {
     @attr('string') uuid;
@@ -43,19 +45,40 @@ export default class InspectionSubmissionModel extends Model {
         return this.public_id || this.form_name || 'Inspection';
     }
 
-    get createdAt() {
-        return this.created_at;
+    /**
+     * The display dates a table or a details panel reads — formatted here, as
+     * in every other model in this package, rather than handed out as a raw
+     * `Date` that renders as a full datetime instance string.
+     */
+    @computed('created_at') get createdAt() {
+        if (!isValidDate(this.created_at)) {
+            return null;
+        }
+
+        return formatDate(this.created_at, 'yyyy-MM-dd HH:mm');
     }
 
-    get updatedAt() {
-        return this.updated_at;
+    @computed('updated_at') get updatedAt() {
+        if (!isValidDate(this.updated_at)) {
+            return null;
+        }
+
+        return formatDate(this.updated_at, 'yyyy-MM-dd HH:mm');
     }
 
-    get submittedAt() {
-        return this.submitted_at;
+    @computed('submitted_at') get submittedAt() {
+        if (!isValidDate(this.submitted_at)) {
+            return null;
+        }
+
+        return formatDate(this.submitted_at, 'yyyy-MM-dd HH:mm');
     }
 
-    get resolvedAt() {
-        return this.resolved_at;
+    @computed('resolved_at') get resolvedAt() {
+        if (!isValidDate(this.resolved_at)) {
+            return null;
+        }
+
+        return formatDate(this.resolved_at, 'yyyy-MM-dd HH:mm');
     }
 }
diff --git a/tests/unit/models/inspection-form-test.js b/tests/unit/models/inspection-form-test.js
index 448efc9..1521ce8 100644
--- a/tests/unit/models/inspection-form-test.js
+++ b/tests/unit/models/inspection-form-test.js
@@ -1,6 +1,6 @@
 import { module, test } from 'qunit';
 import { setupTest } from 'dummy/tests/helpers';
-import { assertAttributeTypes, assertRelationships } from 'dummy/tests/helpers/model-contract';
+import { FIXED_DATE_LONG, assertAttributeTypes, assertDateGetters, assertRelationships } from 'dummy/tests/helpers/model-contract';
 
 module('Unit | Model | inspection-form', function (hooks) {
     setupTest(hooks);
@@ -37,14 +37,25 @@ module('Unit | Model | inspection-form', function (hooks) {
         assert.strictEqual(form.displayName, 'Pre-trip');
     });
 
-    test('the camelCase date getters expose the raw dates', function (assert) {
-        const published = new Date(2026, 8, 1);
-        const created = new Date(2026, 7, 1);
-        const updated = new Date(2026, 7, 2);
-        const form = this.store.createRecord('inspection-form', { published_at: published, created_at: created, updated_at: updated });
+    test('it no longer declares a frequency attribute', function (assert) {
+        assert.notOk(this.store.modelFor('inspection-form').attributes.has('frequency'), 'inspection-form does not declare `frequency`');
+    });
+
+    test('published_at renders its formatting getter', function (assert) {
+        assertDateGetters(assert, this.store.createRecord('inspection-form'), 'published_at', {
+            publishedAt: FIXED_DATE_LONG,
+        });
+    });
 
-        assert.strictEqual(form.publishedAt, published);
-        assert.strictEqual(form.createdAt, created);
-        assert.strictEqual(form.updatedAt, updated);
+    test('created_at renders its formatting getter', function (assert) {
+        assertDateGetters(assert, this.store.createRecord('inspection-form'), 'created_at', {
+            createdAt: FIXED_DATE_LONG,
+        });
+    });
+
+    test('updated_at renders its formatting getter', function (assert) {
+        assertDateGetters(assert, this.store.createRecord('inspection-form'), 'updated_at', {
+            updatedAt: FIXED_DATE_LONG,
+        });
     });
 });
diff --git a/tests/unit/models/inspection-submission-test.js b/tests/unit/models/inspection-submission-test.js
index 59544fe..19db47e 100644
--- a/tests/unit/models/inspection-submission-test.js
+++ b/tests/unit/models/inspection-submission-test.js
@@ -1,6 +1,6 @@
 import { module, test } from 'qunit';
 import { setupTest } from 'dummy/tests/helpers';
-import { assertAttributeTypes, assertRelationships } from 'dummy/tests/helpers/model-contract';
+import { FIXED_DATE_LONG, assertAttributeTypes, assertDateGetters, assertRelationships } from 'dummy/tests/helpers/model-contract';
 
 module('Unit | Model | inspection-submission', function (hooks) {
     setupTest(hooks);
@@ -50,16 +50,27 @@ module('Unit | Model | inspection-submission', function (hooks) {
         assert.strictEqual(submission.displayName, 'submission_1');
     });
 
-    test('the camelCase date getters expose the raw dates', function (assert) {
-        const submitted = new Date(2026, 8, 1);
-        const resolved = new Date(2026, 8, 2);
-        const created = new Date(2026, 7, 1);
-        const updated = new Date(2026, 7, 2);
-        const submission = this.store.createRecord('inspection-submission', { submitted_at: submitted, resolved_at: resolved, created_at: created, updated_at: updated });
+    test('submitted_at renders its formatting getter', function (assert) {
+        assertDateGetters(assert, this.store.createRecord('inspection-submission'), 'submitted_at', {
+            submittedAt: FIXED_DATE_LONG,
+        });
+    });
+
+    test('resolved_at renders its formatting getter', function (assert) {
+        assertDateGetters(assert, this.store.createRecord('inspection-submission'), 'resolved_at', {
+            resolvedAt: FIXED_DATE_LONG,
+        });
+    });
 
-        assert.strictEqual(submission.submittedAt, submitted);
-        assert.strictEqual(submission.resolvedAt, resolved);
-        assert.strictEqual(submission.createdAt, created);
-        assert.strictEqual(submission.updatedAt, updated);
+    test('created_at renders its formatting getter', function (assert) {
+        assertDateGetters(assert, this.store.createRecord('inspection-submission'), 'created_at', {
+            createdAt: FIXED_DATE_LONG,
+        });
+    });
+
+    test('updated_at renders its formatting getter', function (assert) {
+        assertDateGetters(assert, this.store.createRecord('inspection-submission'), 'updated_at', {
+            updatedAt: FIXED_DATE_LONG,
+        });
     });
 });