Skip to content

Type Record · As of May 3, 2026

MCDONNELL DOUGLAS HELICOPTER 600N

Rotorcraft · ROLLS-ROYC 250-C47M

Registered

14

Year Range

1997–2000

NTSB Events

5

Airworthiness Directives

6

01 /  Distribution

Where the fleet lives and was built

Counts of currently-registered MCDONNELL DOUGLAS HELICOPTER 600N aircraft by US state and decade of manufacture, sourced from the FAA Aircraft Registry.

By State (top 10)

  • FL 21.4% 3
  • DE 21.4% 3
  • OR 21.4% 3
  • SD 7.1% 1
  • AZ 7.1% 1
  • UT 7.1% 1
  • GA 7.1% 1
  • NY 7.1% 1

By Decade of Manufacture

  • 1990s 64.3% 9
  • 2000s 7.1% 1
  • Unknown 28.6% 4

02 /  NTSB Records

Events involving MCDONNELL DOUGLAS HELICOPTER 600N aircraft

5 event(s) on file. Showing the most recent 5.

03 /  Airworthiness Directives

FAA directives applicable to MCDONNELL DOUGLAS HELICOPTER 600N

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

  • Aug 20, 1999

    Airworthiness Directives; MD Helicopters, Inc. Model 600N Helicopters

    This amendment adopts a new airworthiness directive (AD), applicable to MD Helicopters, Inc. (MDHI) Model 600N helicopters, that requires applying serial numbers to several life-limited components related to pitch control and removing and replacing the components according to new life-limits. This amendment is prompte…

    Atlas AD → Federal Register ↗

  • May 21, 1999

    Airworthiness Directives; McDonnell Douglas Helicopter Systems (MDHS) Model 369E, 369FF, 500N, and 600N Helicopters

    Atlas AD → Federal Register ↗

  • Apr 6, 1999

    Airworthiness Directives; McDonnell Douglas Helicopter Systems (MDHS) Model 369E, 369FF, 500N, and 600N Helicopters

    This amendment supersedes an existing priority letter airworthiness directive (AD) 98-17-14, applicable to MDHS Model 369E, 369FF, 500N, and 600N helicopters, that currently requires, within the next 14 calendar days, inspecting each relay receptacle contact socket for correct size of the contact socket holes and repl…

    Atlas AD → Federal Register ↗

  • Mar 23, 1999

    Airworthiness Directives; McDonnell Douglas Helicopter Systems Model 600N Helicopters

    This document proposes the adoption of a new airworthiness directive (AD) that is applicable to McDonnell Douglas Helicopter Systems (MDHS) Model 600N helicopters. This proposal would require applying serial numbers to several life-limited components related to pitch control and removing and replacing the components a…

    Atlas AD → Federal Register ↗

  • Sep 3, 1998

    Airworthiness Directives; McDonnell Douglas Helicopter Systems Model 369A, 369D, 369E, 369F, 369FF, 369H, 369HE, 369HM, 369HS, 500N, 600N, and OH-6A Helicopters

    Atlas AD → Federal Register ↗

  • Jul 23, 1998

    Airworthiness Directives; McDonnell Douglas Helicopter Systems Model 369A, 369D, 369E, 369F, 369FF, 369H, 369HE, 369HM, 369HS, 500N, 600N, and OH-6A Helicopters

    This amendment supersedes an existing priority letter Airworthiness Directive (AD) 98-03-15, applicable to McDonnell Douglas Helicopter Systems (MDHS) Model 369, 369A, 369D, 369E, 369F, 369FF, 369H, 369HE, 369HM, 369HS, 500N, 600N, and OH-6 helicopters that currently requires an inspection for main rotor blade (blade)…

    Atlas AD → Federal Register ↗

04 /  Type Certificate Data Sheets

FAA TCDS for MCDONNELL DOUGLAS HELICOPTER 600N

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

05 /  Special Airworthiness Information Bulletins

Advisories applicable to MCDONNELL DOUGLAS HELICOPTER 600N

1 SAIB on file. SAIBs are FAA advisory notices — not mandatory like ADs, but worth reviewing for service bulletins and emerging issues.

  • 02/16/2007

    SAIB SW-07-17

    Lateral mixer output link assembly (mixer link), part number 600N7636

    Read → DRS ↗

07 /  PMA replacement parts

FAA-approved replacement parts for MCDONNELL DOUGLAS HELICOPTER 600N

2 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.

  • 20360-1#https://drs.faa.gov/browse/excelExternalWindow/6BED5D7EB9CE65C386257D9A006FE633.0001##

    Float Assembly

    APICAL INDUSTRIES, INC. dba DART AEROSPACE replaces Modification Part

    PMA holder →

  • All parts listed on Master drawing list DL-44#https://drs.faa.gov/browse/excelExternalWindow/FFF5F06D77A5744B8625769400766B78.0001##

    Air Conditioning System, Vapor Cycle

    AvSpec Corporation replaces Modification part

    PMA holder →

04 /  Regulations watching this type

Advisory Circulars and Federal Register activity for MCDONNELL DOUGLAS HELICOPTER 600N

05 /  Aircraft of this type

All 14 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.

14 of 14
N-number St Year NTSB FAA
N3500X SD 2000 ● Look up ↗
N375SD FL — · Look up ↗
N39GA AZ 1998 · Look up ↗
N416M UT 1998 · Look up ↗
N507CC GA 1997 · Look up ↗
N511VA DE — ● Look up ↗
N600ES NY — · Look up ↗
N609RP FL 1997 ● Look up ↗
N60BK OR 1998 ● Look up ↗
N630AG FL 1997 · Look up ↗
N641LB DE 1998 · Look up ↗
N70JR DE 1997 · Look up ↗
N810LA OR — ● Look up ↗
N812LH OR 1997 · 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 →