diff --git a/instruments/filereader_registry.py b/instruments/filereader_registry.py
index aaa461a..c51b39d 100644
--- a/instruments/filereader_registry.py
+++ b/instruments/filereader_registry.py
@@ -16,8 +16,9 @@ from instruments.readers.g5505_text_reader import read_txt_files_as_dict
 from instruments.readers.acsm_tofware_reader import read_acsm_files_as_dict
 from instruments.readers.acsm_flag_reader import read_jsonflag_as_dict
 from instruments.readers.nasa_ames_reader import read_nasa_ames_as_dict
+from instruments.readers.structured_file_reader import read_structured_file_as_dict
 
-file_extensions = ['.ibw','.txt','.dat','.h5','.TXT','.csv','.pkl','.json','.yaml','.nas']
+file_extensions = ['.ibw','.txt','.dat','.h5','.TXT','.csv','.pkl','.json','.yaml','yml','.nas']
 
 # Define the instruments directory (modify this as needed or set to None)
 default_instruments_dir = None  # or provide an absolute path
@@ -27,6 +28,9 @@ file_readers = {
     'txt': lambda a1: read_txt_files_as_dict(a1, instruments_dir=default_instruments_dir, work_with_copy=False),
     'dat': lambda a1: read_txt_files_as_dict(a1, instruments_dir=default_instruments_dir, work_with_copy=False),
     'csv': lambda a1: read_txt_files_as_dict(a1, instruments_dir=default_instruments_dir, work_with_copy=False),
+    'yaml': lambda a1: read_structured_file_as_dict(a1),
+    'yml': lambda a1: read_structured_file_as_dict(a1),
+    'json': lambda a1: read_structured_file_as_dict(a1),
     'ACSM_TOFWARE_txt' : lambda x: read_acsm_files_as_dict(x, instruments_dir=default_instruments_dir, work_with_copy=False),
     'ACSM_TOFWARE_csv' : lambda x: read_acsm_files_as_dict(x, instruments_dir=default_instruments_dir, work_with_copy=False),
     'ACSM_TOFWARE_flags_json' : lambda x: read_jsonflag_as_dict(x),
@@ -52,7 +56,7 @@ def find_reader(instrument_folder, file_extension):
     registry = load_registry()
     
     for entry in registry:
-        if entry["instrumentFolderName"] == instrument_folder and entry["fileExtension"] == file_extension:
+        if entry["instrumentFolderName"] == instrument_folder and (file_extension in entry["fileExtension"].split(sep=',')):
             return entry["fileReaderPath"], entry["InstrumentDictionaryPath"]
     
     return None, None  # Not found
diff --git a/instruments/readers/structured_file_reader.py b/instruments/readers/structured_file_reader.py
new file mode 100644
index 0000000..5c16281
--- /dev/null
+++ b/instruments/readers/structured_file_reader.py
@@ -0,0 +1,113 @@
+import sys
+import os
+
+try:
+    thisFilePath = os.path.abspath(__file__)
+except NameError:
+    print("Error: __file__ is not available. Ensure the script is being run from a file.")
+    print("[Notice] Path to DIMA package may not be resolved properly.")
+    thisFilePath = os.getcwd()  # Use current directory or specify a default
+
+dimaPath = os.path.normpath(os.path.join(thisFilePath, "..",'..','..'))  # Move up to project root
+
+if dimaPath not in sys.path:  # Avoid duplicate entries
+    sys.path.insert(0,dimaPath)
+    
+import pandas as pd
+import json, yaml
+import h5py
+import argparse
+import logging
+
+import utils.g5505_utils as utils
+
+def read_structured_file_as_dict(path_to_file):
+    """
+    Reads a JSON or YAML file, flattens nested structures using pandas.json_normalize,
+    converts to a NumPy structured array via utils.convert_attrdict_to_np_structured_array,
+    and returns a standardized dictionary.
+    """
+
+    file_dict = {}
+    _, path_head = os.path.split(path_to_file)
+
+    file_dict['name'] = path_head
+    file_dict['attributes_dict'] = {}
+    file_dict['datasets'] = []
+
+    try:
+        with open(path_to_file, 'r') as stream:
+            if path_to_file.endswith(('.yaml', '.yml')):
+                raw_data = yaml.safe_load(stream)
+            elif path_to_file.endswith('.json'):
+                raw_data = json.load(stream)
+            else:
+                raise ValueError(f"Unsupported file type: {path_to_file}")
+    except Exception as exc:
+        logging.error("Failed to load input file %s: %s", path_to_file, exc)
+        raise
+
+    try:
+        df = pd.json_normalize(raw_data)
+    except Exception as exc:
+        logging.error("Failed to normalize data structure: %s", exc)
+        raise
+
+    try:
+        structured_array = utils.convert_attrdict_to_np_structured_array(df.to_dict(orient='records'))
+    except Exception as exc:
+        logging.error("Failed to convert to structured array: %s", exc)
+        raise
+
+    dataset = {
+        'name': 'data_table',
+        'data': structured_array,
+        'shape': structured_array.shape,
+        'dtype': type(structured_array)
+    }
+
+    file_dict['datasets'].append(dataset)
+    return file_dict
+
+if __name__ == "__main__":
+
+    from src.hdf5_ops import save_file_dict_to_hdf5
+    from utils.g5505_utils import created_at
+
+    parser = argparse.ArgumentParser(description="Data ingestion process to HDF5 files.")
+    parser.add_argument('dst_file_path', type=str, help="Path to the target HDF5 file.")
+    parser.add_argument('src_file_path', type=str, help="Relative path to source file to be saved to target HDF5 file.")
+    parser.add_argument('dst_group_name', type=str, help="Group name '/instFolder/[category]/fileName' in the target HDF5 file.")
+
+    args = parser.parse_args()
+
+    hdf5_file_path = args.dst_file_path
+    src_file_path = args.src_file_path
+    dst_group_name = args.dst_group_name
+    default_mode = 'r+'
+
+    try:
+        idr_dict = read_structured_file_as_dict(src_file_path)
+
+        if not os.path.exists(hdf5_file_path):
+            default_mode = 'w'
+
+        print(f'Opening HDF5 file: {hdf5_file_path} in mode {default_mode}')
+        
+        with h5py.File(hdf5_file_path, mode=default_mode, track_order=True) as hdf5_file_obj:
+            try:
+                if dst_group_name not in hdf5_file_obj:
+                    hdf5_file_obj.create_group(dst_group_name)
+                    hdf5_file_obj[dst_group_name].attrs['creation_date'] = created_at().encode('utf-8')
+                    print(f'Created new group: {dst_group_name}')
+                else:
+                    print(f'Group {dst_group_name} already exists. Proceeding with data transfer...')
+            except Exception as inst:
+                logging.error('Failed to create group %s in HDF5: %s', dst_group_name, inst)
+
+            save_file_dict_to_hdf5(hdf5_file_obj, dst_group_name, idr_dict)
+            print(f'Completed saving file dict with keys: {idr_dict.keys()}')
+
+    except Exception as e:
+        logging.error('File reader failed to process %s: %s', src_file_path, e)
+        print(f'File reader failed to process {src_file_path}. See logs for details.')
diff --git a/instruments/registry.yaml b/instruments/registry.yaml
index 759439e..7eb91de 100644
--- a/instruments/registry.yaml
+++ b/instruments/registry.yaml
@@ -78,3 +78,8 @@ instruments:
     fileExtension: nas
     fileReaderPath: instruments/readers/nasa_ames_reader.py
     InstrumentDictionaryPath: instruments/dictionaries/EBAS.yaml
+
+  - instrumentFolderName: ACSM_TOFWARE
+    fileExtension: yaml,yml,json
+    fileReaderPath: instruments/readers/read_structured_file_as_dict.py
+    InstrumentDictionaryPath: instruments/dictionaries/EBAS.yaml