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Type Record · As of May 3, 2026

GARLICK HELICOPTERS INC OH-58C

Rotorcraft · ALLISON 250-C20 SER

Registered

5

Year Range

1970–1972

NTSB Events

3

Airworthiness Directives

6

Aircraft Resources

Engine · Rolls-Royce M250 (Allison) → Search FAA TCDS →

01 /  Distribution

Where the fleet lives and was built

Counts of currently-registered GARLICK HELICOPTERS INC OH-58C aircraft by US state and decade of manufacture, sourced from the FAA Aircraft Registry.

By State (top 10)

  • PA 60.0% 3
  • ND 40.0% 2

By Decade of Manufacture

  • 1970s 80.0% 4
  • Unknown 20.0% 1

02 /  NTSB Records

Events involving GARLICK HELICOPTERS INC OH-58C aircraft

3 event(s) on file. Showing the most recent 3.

03 /  Airworthiness Directives

FAA directives applicable to GARLICK HELICOPTERS INC OH-58C

6 directive(s) on file. Showing the most recent 6.

  • Nov 14, 2014

    Airworthiness Directives; Various Restricted Category Helicopters

    We are superseding Airworthiness Directive (AD) 2012-14-11 for Arrow Falcon Exporters, Inc. (AFE), Rotorcraft Development Corporation (RDC), and San Joaquin Helicopters (SJH) Model OH-58A, OH- 58A+, and OH-58C helicopters. AD 2012-14-11 required inspecting the main rotor mast (mast) for a crack. This new AD expands th…

    Atlas AD → Federal Register ↗

  • Jun 2, 2014

    Airworthiness Directives; Various Restricted Category Helicopters

    We propose to supersede airworthiness directive (AD) 2012-14- 11 for Arrow Falcon Exporters, Inc. (AFE), Rotorcraft Development Corporation (RDC), and San Joaquin Helicopters (SJH) Model OH-58A, OH- 58A+, and OH-58C helicopters. AD 2012-14-11 currently requires inspecting the main rotor mast (mast) for a crack. Since…

    Atlas AD → Federal Register ↗

  • Jul 23, 2012

    Airworthiness Directives; Various Restricted Category Helicopters

    We are adopting a new airworthiness directive (AD) for Arrow Falcon Exporters, Inc. (AFE), Rotorcraft Development Corporation (RDC), and San Joaquin Helicopters (SJH) Model OH-58A, OH-58A+, and OH-58C helicopters to require inspecting the main rotor mast (mast) for a crack. This AD is prompted by two reported failures…

    Atlas AD → Federal Register ↗

  • Aug 3, 2006

    Airworthiness Directives; Rolls-Royce Corporation (Formerly Allison Engine Company, Allison Gas Turbine Division, and Detroit Diesel Allison) (RRC) 250-B and 250-C Series Turboshaft and Turboprop Engines

    The FAA is superseding an existing airworthiness directive (AD) for RRC 250-B and 250-C series turboshaft and turboprop engines. That AD currently requires a onetime inspection of the fuel nozzle screen for contamination, and if contamination is found, inspection and cleaning of the entire aircraft fuel system before…

    Atlas AD → Federal Register ↗

  • Jun 21, 2006

    Airworthiness Directives; Rolls-Royce Corporation (Formerly Allison Engine Company, Allison Gas Turbine Division, and Detroit Diesel Allison) 250-B and 250-C Series Turboprop and Turboshaft Engines

    The FAA is adopting a new airworthiness directive (AD) for Rolls-Royce Corporation 250-B and 250-C series turboprop and turboshaft engines with certain part numbers (P/Ns) of gas producer rotor assembly tie bolts manufactured by EXTEX Ltd., Pacific Sky Supply Inc., Rolls- Royce Corporation (RRC), and Superior Air Part…

    Atlas AD → Federal Register ↗

  • Nov 10, 2005

    Airworthiness Directives; Rolls-Royce Corporation (formerly Allison Engine Company, Allison Gas Turbine Division, and Detroit Diesel Allison) 250-B and 250-C Series Turboprop and Turboshaft Engines

    The FAA proposes to adopt a new airworthiness directive (AD) for Rolls-Royce Corporation 250-B and 250-C series turboprop and turboshaft engines with certain part numbers (P/Ns) of gas producer rotor assembly tie bolts manufactured by EXTEX Ltd., Pacific Sky Supply Inc., Rolls-Royce Corporation (RRC), and Superior Air…

    Atlas AD → Federal Register ↗

04 /  Type Certificate Data Sheets

FAA TCDS for GARLICK HELICOPTERS INC OH-58C

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

06 /  Supplemental Type Certificates

Modifications approved for GARLICK HELICOPTERS INC OH-58C

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

  • 08/23/2018

    STC SR01727SE

    Fabrication of Boundary Layer Research (BLR) Dual Tail Boom Strake System

    BLR Aerospace LLC.

    Atlas STC → DRS ↗

  • 11/23/2009

    STC SR01727SE

    Fabrication of Boundary Layer Research (BLR) Dual Tail Boom Strake System

    BLR Aerospace LLC.

    Atlas STC → DRS ↗

  • 08/14/2007

    STC SR00756NY

    Installation of a Avionics Specialities, Inc Power Analyzer and Recorder (PAR) P/N SL17080.

    Aerosonic Corporation

    Atlas STC → DRS ↗

  • 06/11/2007

    STC SR00180SE

    Installation of engine air filter.

    Filtration Development Washington LLC

    Atlas STC → DRS ↗

  • 12/18/2006

    STC SR01727SE

    Fabrication of Boundary Layer Research (BLR) Dual Tail Boom Strake System

    Boundary Layer Research Inc

    Atlas STC → DRS ↗

04 /  Regulations watching this type

Advisory Circulars and Federal Register activity for GARLICK HELICOPTERS INC OH-58C

05 /  Aircraft of this type

All 5 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.

5 of 5
N-number St Year NTSB FAA
N16JD PA 1971 ● Look up ↗
N1851D ND 1972 · Look up ↗
N1851W ND 1971 · Look up ↗
N637HA PA 1970 · Look up ↗
N82855 PA — ● Look up ↗

Source — FAA Aircraft Registry · click "Look up" to query the live registry record (owner, address, last airworthiness)

05 /  Sources & Methodology

Every count traces back to a primary US-government source

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