SIKORSKY S-58DT

01 /  Distribution

Where the fleet lives and was built

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

02 /  NTSB Records

Events involving SIKORSKY S-58DT aircraft

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

• Feb 29, 2000

  N9VY

  BROOKSVILLE, Florida Minor

  NTSB Docket →

03 /  Airworthiness Directives

FAA directives applicable to SIKORSKY S-58DT

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-58DT

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-58DT

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

• 04/14/2023

  STC SH3319NM

  Installation of Precise Flight Pulselite Control Unit in the Landing /Taxi Recognition Visual Control Light system,

  Precise Flight Inc

  Atlas STC → DRS ↗

• 02/21/2023

  STC SR04549AT

  Conversion of the Pratt & Whitney PT6T-3 to the PT6T-3B configuration

  Centerpointe Aerospace

  Atlas STC → DRS ↗

• 11/17/2022

  STC SR04549AT

  Conversion of the Pratt & Whitney PT6T-3 to the PT6T-3B configuration per Pratt & Whitney Canada Service Bulletin No. PT6T-72-5252

  Asia-Pacific Engineering Consulting Services

  Atlas STC → DRS ↗

• 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 ↗

• 05/19/2020

  STC SH3319NM (1 OF 2)

  Installation of Precise Flight Pulselite Control Unit in the\nLanding /Taxi Recognition Visual Control Light system,

  Precise Flight Inc

  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 ↗

• 12/29/2016

  STC SH3319NM

  Installation of Precise Flight Pulselite Control Unit in the Landing /Taxi Recognition Visual Control Light system,

  Precise Flight Inc

  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 ↗

• 06/09/2014

  STC SH3319NM

  Installation of Precise Flight Pulselite Control Unit in the Landing /Taxi Recognition Visual Control Light system,

  Precise Flight Inc

  Atlas STC → DRS ↗

• 03/19/2014

  STC SR03310CH

  Installation of NASI Air Conditioning Module

  National Aircraft Service Inc

  Atlas STC → DRS ↗

• 07/25/2013

  STC SH3319NM

  Installation of Precise Flight Pulselite Control Unit in the Landing /Taxi Recognition Visual Control Light system,

  Precise Flight Inc

  Atlas STC → DRS ↗

• 10/17/2012

  STC SH3319NM

  Installation of Precise Flight Pulselite Control Unit in the Landing /Taxi Recognition Visual Control Light system,

  Precise Flight 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 ↗

• 06/30/1994

  STC SR00042SE

  Modification to allow the use of Configuration II aircraft performance limits.

  Glacier Helicopter Inc

  Atlas STC → DRS ↗

• 04/22/1994

  STC SR00042SE

  Modification to allow the use of Configuration II aircraft performance limits.

  Glacier Helicopter, 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 ↗

• 04/29/1991

  STC SH2212NM

  Installation of Silver Instruments Fueltron IIIPT-IGS, IIIPT-IPS, IIIPT-ILS, IIIPT-IKS digital fuel flow indicating system.

  Arnav Systems Inc

  Atlas STC → DRS ↗

• 08/02/1990

  STC SH770NW

  Installation of a weighing system.

  Onboard Systems

  Atlas STC → DRS ↗

• 11/29/1989

  STC SH4570NM

  Approval for takeoffs and landings up to and including 12,000 feet density altitude is authorized.

  Air One Helicopters, Inc

  Atlas STC → DRS ↗

• 10/13/1989

  STC SA4302NM (PAGE 2)

  Installation of Electronics Int'l digital automatic engine analyzer.

  Electronics International

  Atlas STC → DRS ↗

+ 11 more STCs on file

07 /  PMA replacement parts

FAA-approved replacement parts for SIKORSKY S-58DT

1 parts on file from the FAA Parts Manufacturer Approval database. Each is a non-OEM part the FAA has authorized for use as a replacement on this aircraft type.

• CHP-S1610-26107#https://drs.faa.gov/browse/excelExternalWindow/1D908A04E3400372862571BD004A206F.0001##

  Spacer

  California Helicopter Parts Inc replaces S1610-26107

  PMA holder →

04 /  Regulations watching this type

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

05 /  Aircraft of this type

All 1 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 →