diff --git a/MICADO/MICADO_IFU.yaml b/MICADO/MICADO_IFU.yaml
new file mode 100644
index 00000000..8ab1693b
--- /dev/null
+++ b/MICADO/MICADO_IFU.yaml
@@ -0,0 +1,32 @@
+---
+### MICADO IFU mode
+object: instrument
+alias: INST
+name: MICADO_IFU
+description: additional effects for the IFU mode
+date_modified: 2026-04-07
+changes:
+  - 2026-04-07 (OC) include image slicer
+
+properties:
+  pixel_scale: 0.004          # arcsec / pixel
+  plate_scale: 0.266666666666 # arcsec / pixel
+  decouple_detector_from_sky_headers: True   # needed for spectroscopy
+
+effects:
+  - name: image_slicer
+    description: field of view of the image slicer
+    class: MetisLMSImageSlicer
+    kwargs:
+      filename: MICADO_IFU_Apertures.fits
+      ext_id: "Aperture List"
+
+---
+### set observation mode
+object: observation
+alias: OBS
+name: MICADO_IFU
+
+properties:
+  obs_mode: "IFU"
+  fits_ins_mode: "IFU"
diff --git a/MICADO/default.yaml b/MICADO/default.yaml
index 665174d2..f1d42e3c 100644
--- a/MICADO/default.yaml
+++ b/MICADO/default.yaml
@@ -106,6 +106,20 @@ mode_yamls :
   yamls :
   - MICADO_IMG_HCI.yaml
 
+- object: observation
+  alias: OBS
+  name: IFU
+  description: "Integral-field spectroscopy"
+  status: experimental
+  yamls:
+  - MICADO_IFU.yaml
+  properties:
+    trace_file: TRACE_MICADO.fits
+    filter_name_fw1: Spec_HK
+    filter_name_fw2: open
+    filter_name_pupil: open
+    fits_ins_filt: Spec_HK
+
 - object : observation
   alias: OBS
   name : SPEC_15000x20