Description
Cirrus Aircraft 21947-005 Proportioning Unit — Main, FIKI
Main fuselage proportioning unit that distributes TKS fluid in the FIKI ice protection system, listed in the FIKI ice protection installation (IPC 30-07-01).
Fit, per the Cirrus Illustrated Parts Catalog:
- SR22 serials 3485 and up with FIKI
- SR22T serials 0001 and up with FIKI
- Cirrus directs spares for the earlier main proportioning unit (SR22 3403 through 3484) to this part
Cirrus's current parts ordering data also lists an alternate item, 21947-005S.
Serial ranges are transcribed from the Cirrus IPC. Confirm your aircraft's serial number, installed equipment and service bulletin compliance against current Cirrus documents before ordering.
Reference only — not a maintenance authority. The part numbers, effectivity and service bulletin references shown above are published as an aid to our customers and may not reflect current Cirrus data. They must not be used as the basis for installation. Mechanics must obtain and use their own current Cirrus Illustrated Parts Catalog and the current revision of any service bulletin, and must verify applicability against the aircraft serial number, service bulletin compliance and any installed STCs, before ordering or installing any part.