SIKORSKY S-58H

01 /  Distribution

Where the fleet lives and was built

Counts of currently-registered SIKORSKY S-58H aircraft by US state and decade of manufacture, sourced from the FAA Aircraft Registry.

02 /  NTSB Records

Events involving SIKORSKY S-58H aircraft

1 event(s) on file. Showing the most recent 1.

• Feb 29, 1964

  N506

  JOHNSTOWN, Pennsylvania Minor

  NTSB Docket →

03 /  Airworthiness Directives

FAA directives applicable to SIKORSKY S-58H

No matching airworthiness directives are on file for this make and model in the Federal Register.

04 /  Type Certificate Data Sheets

FAA TCDS for SIKORSKY S-58H

The TCDS is the legal certification document — weight limits, performance, equipment, AD compliance times, operating limitations. 1 match in the FAA catalog.

• 1H11 Current Rev 18 · 12/29/1988

  Sikorsky Aircraft Corporation

  Models: S-58J, S-58FT, S-58C, S-58A + 11 more

  Atlas TCDS → DRS ↗

06 /  Supplemental Type Certificates

Modifications approved for SIKORSKY S-58H

24 STCs on file — every FAA-approved modification, alteration, or installation for this aircraft. STOL kits, avionics, fuel systems, floats, engine swaps, you name it.

• 10/07/2021

  STC SH5780NM

  Fabrication of Onboard Systems model E-46 cargo hook load weigh system.

  Onboard Systems International

  Atlas STC → DRS ↗

• 12/17/2020

  STC SR02704SE

  Installation and maintenance of the Sunspot 36 and 46 series lights

  AeroLED's Holdings LLC

  Atlas STC → DRS ↗

• 12/17/2020

  STC SR02704SE

  Installation and maintenance of the Sunspot 36 and 46 series lights

  AeroLEDS LLC

  Atlas STC → DRS ↗

• 11/03/2020

  STC SR04483CH

  Installation of NASI NREM18M Air Conditioning Module

  National Aircraft Service Inc. (NASI)

  Atlas STC → DRS ↗

• 05/29/2019

  STC SR00359BO

  Installation of Parmetheus Plus LED PAR36 and PAR46 taxi and landing lights.

  Whelen Aerospace Technologies

  Atlas STC → DRS ↗

• 11/28/2016

  STC SR00359BO

  Installation of Parmetheus Plus LED PAR36 and PAR46 taxi and landing lights.

  Whelen Engineering Co Inc

  Atlas STC → DRS ↗

• 01/14/2015

  STC SR02394AK

  Replacement of existing landing and/or hover light bulbs with Light Emitting Diode (LED) lighting system

  Seaplanes North LLC

  Atlas STC → DRS ↗

• 03/19/2014

  STC SR03310CH

  Installation of NASI Air Conditioning Module

  National Aircraft Service Inc

  Atlas STC → DRS ↗

• 05/23/2012

  STC SR02394AK

  Replacement of existing landing and/or hover light bulbs with Light Emitting Diode (LED) lighting system

  Floats Alaska LLC

  Atlas STC → DRS ↗

• 03/15/2012

  STC SR02394AK

  Replacement of existing landing and/or hover light bulbs with Light Emitting Diode (LED) lighting system per Installation Instructions LED03-20R, Rev. IR, dated October 27, 2010.

  Floats Alaska LLC

  Atlas STC → DRS ↗

• 02/21/2012

  STC SH3319NM

  Installation of Precise Pulselite Control System

  Precise Flight Inc

  Atlas STC → DRS ↗

• 12/09/2009

  STC SA2693NM (PAGE 2)

  Installation of Electronics International digital volt/amp gauges and accessories.

  Electronics International Inc.

  Atlas STC → DRS ↗

• 11/07/2003

  STC SH3319NM

  Installation of Precise Pulselite Control Unit in the Landing/Taxi/Recognition Visual Control Light System.

  Precise Flight Inc

  Atlas STC → DRS ↗

• 12/03/2001

  STC SH3319NM

  Installation of Precise Pulselite Control Unit in the Landing/Taxi/Recognition Visual Control Light System.

  Precise Flight Inc

  Atlas STC → DRS ↗

• 03/09/1993

  STC SA1626NM Page 2

  Installation of Electronics Int'l Digital EGT/CHT Instruments and accessories. (201 Series)

  Electronics International

  Atlas STC → DRS ↗

• 10/13/1992

  STC SH5780NM

  Fabrication of Onboard Systems model E-46 cargo hook load weigh system.

  Onboard Systems

  Atlas STC → DRS ↗

• 07/08/1991

  STC SH8030SW

  Installation of an engine fire detection system.

  California Helicopter Intn'l, Inc

  Atlas STC → DRS ↗

• 08/02/1990

  STC SH770NW

  Installation of a weighing system.

  Onboard Systems

  Atlas STC → DRS ↗

• 10/13/1989

  STC SA4302NM (PAGE 2)

  Installation of Electronics Int'l digital automatic engine analyzer.

  Electronics International

  Atlas STC → DRS ↗

• 10/13/1989

  STC SA4302NM (PAGE 1)

  Installation of Electronics Int'l digital automatic engine analyzer.

  Electronics International

  Atlas STC → DRS ↗

• 04/28/1987

  STC SH142WE

  Installation of electronic weighing system c-40.

  Onboard Systems

  Atlas STC → DRS ↗

• 07/17/1985

  STC SH919GL

  Removal of all seats with the exception of two (2) passenger seats at station 93 and two (2) crew seats directly above.

  Jet Services, Inc

  Atlas STC → DRS ↗

• 12/04/1980

  STC SH453NW

  Installation of an electronic weighing system (for monitoring cargo weight)

  Measurement Systems Intl

  Atlas STC → DRS ↗

• 03/20/1972

  STC SH142WE

  Installation of electronic weighing system c-40.

  Chadwick, Inc

  Atlas STC → DRS ↗

04 /  Regulations watching this type

Advisory Circulars and Federal Register activity for SIKORSKY S-58H

05 /  Aircraft of this type

All 2 registered N-numbers

Every tail currently on the FAA registry for this make/model. Click an N-number to query the FAA Aircraft Inquiry; rows flagged ● have NTSB events on file. Tails seeded with full TallyAero pages link directly.

05 /  Sources & Methodology

Every count traces back to a primary US-government source

• FAA Aircraft Registry →

  Refreshed Apr 27, 2026

  Available

• NTSB CAROL →

  Refreshed Apr 27, 2026

  Available

• Federal Register (FAA Airworthiness Directives) →

  Refreshed Apr 27, 2026

  Available

We render counts and lists as the agency publishes them. Read the methodology →