Aircraft STC directory

McCauley Propeller Systems 4HFR34C7( ) STCs

The Jun 30, 2026 FAA DRS snapshot contains 3 selected supplemental type certificates with status Current whose public applicability data names the McCauley Propeller Systems 4HFR34C7( ). Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.

listed Current at snapshot

holder directories

modification categories

Jan 29, 2004

latest recorded revision

Modification demand surface

Other aircraft modifications2 Propellers1

Recorded holders

SMR Technologies2 SMR Technologies Inc1

Recently revised 4HFR34C7( ) STCs

Showing the 3 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.

SA00948CHOther aircraft modificationsRevised Jan 29, 2004

Installation of various de-icer wire harnesses. (E90 modified by STC SA3593NM, F90 modified by STC SA4131NM, B200 modified by STC SA2698NM-S, DHC-6 Series modified by STC SA3532NM).

FAA holder: SMR Technologies Inc

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SP00524SEPropellersRevised Mar 15, 2002

Installation of SMR Technologies electrothermal propeller deicer P/N SMR2822 as a replacement for McCauley electrothermal propeller deicer P/N B-40183-07 or Safeway electrothermal deicer P/N 6717SW on propellers 4HFR34C652-L106LA, 4HFR34C653/L106FA, 4HFR34C660/L90GA, 4HFR34C662/L108FA, and 4HFR34C663/L106KA.

FAA holder: SMR Technologies

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SA01384CHOther aircraft modificationsRevised Jan 30, 2001

Installation of various de-icer harnesses.

FAA holder: SMR Technologies

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