diff --git a/src/rad/resources/schemas/mosaic_basic-1.0.0.yaml b/src/rad/resources/schemas/mosaic_basic-1.0.0.yaml
index f70091d9..bf69dda1 100644
--- a/src/rad/resources/schemas/mosaic_basic-1.0.0.yaml
+++ b/src/rad/resources/schemas/mosaic_basic-1.0.0.yaml
@@ -89,7 +89,7 @@ properties:
     archive_catalog:
       datatype: smallint
       destination: [ScienceCommon.segment]
-  pass_number:
+  pass:
     title: Pass number within execution plan, defined range is 1..999;
            included in obs_id and visit_id as 'AA'.
     type: integer
@@ -160,10 +160,10 @@ properties:
       datatype: nvarchar(25)
       destination: [ScienceCommon.product_type]
 propertyOrder: [ time_first_mjd, time_last_mjd, time_mean_mjd, max_exposure_time,
-                 mean_exposure_time, model_type, visit, segment, pass_number, program,
+                 mean_exposure_time, model_type, visit, segment, pass, program,
                  survey, optical_element, instrument, telescope, location_name, product_type ]
 flowStyle: block
 required: [ time_first_mjd, time_last_mjd, time_mean_mjd, max_exposure_time,
-            mean_exposure_time, model_type, visit, segment, pass_number, program,
+            mean_exposure_time, model_type, visit, segment, pass, program,
             survey, optical_element, instrument, telescope, location_name, product_type ]
 ...
diff --git a/src/rad/resources/schemas/observation-1.0.0.yaml b/src/rad/resources/schemas/observation-1.0.0.yaml
index e83bb961..c30c4274 100644
--- a/src/rad/resources/schemas/observation-1.0.0.yaml
+++ b/src/rad/resources/schemas/observation-1.0.0.yaml
@@ -55,7 +55,7 @@ properties:
     archive_catalog:
       datatype: smallint
       destination: [ScienceCommon.execution_plan, GuideWindow.execution_plan]
-  pass_number:
+  pass:
     title: Pass number within execution plan, defined range is 1..999; included in obs_id and
            visit_id as 'AA'.
     type: integer
@@ -171,13 +171,13 @@ properties:
       datatype: nvarchar(15)
       destination: [ScienceCommon.survey, GuideWindow.survey]
 propertyOrder: [obs_id, visit_id, program,
-           execution_plan, pass_number, observation, segment,
+           execution_plan, pass, observation, segment,
            visit, visit_file_group, visit_file_sequence,
            visit_file_activity, exposure, template,
            observation_label, survey]
 flowStyle: block
 required: [obs_id, visit_id, program,
-           execution_plan, pass_number, observation, segment,
+           execution_plan, pass, observation, segment,
            visit, visit_file_group, visit_file_sequence,
            visit_file_activity, exposure, template,
            observation_label, survey]