The U.S. aircraft register, updated daily
Models · Md Helicopters Inc · Helicopters · data as of November 12, 2026

Md Helicopters Inc 600

12 on the U.S. register. Built from 2000 to 2010; half of them date from 2005 or earlier. Florida has the most (4). 92% are registered to companies, flight schools, clubs and other organisations; the rest to individuals, who are not named here at this time.

About the 600 from the FAA's model table

Type
Rotorcraft · Helicopters
Power
Turboshaft, 1 engine
Common engines
Rolls-Royc 250-C47M (8), Allison 250 Ser 250Hp (2), Allison 250-C47M (1)
Fuel
Jet A
Seats
4
Built of
aluminium
Maker on the register
Md Helicopters Inc
Registered
earliest certificate October 10, 2018; newest October 20, 2026

Who owns them registrant type

By owner type, as a table
aircraftshare
LLC542%
Corporation542%
Individual18%
Government18%

Versions as the FAA records them · click one to list only those aircraft

VersionRegisteredBuiltShare
600N122000 to 2010100.0%

When they were built by decade · 2 with no year on file

By decade built, as a table
aircraft
20009
20101

Registrations by year certificates issued since 2010, including changes of owner · 2026 is the year so far

Registrations by year, as a table
aircraft
20181
20192
20201
20211
20221
20232
20242
20261

Airworthiness certificate class

By airworthiness certificate, as a table
aircraftshare
Standard12100%

Biggest operators companies, schools and clubs

Vertol Systems Company INC2Yavapai County1Wind River Aviation LLC1Sharcott INC Trustee1Lga 1992 LLC1Lancair of Texas DBA1Fxc Nation Leasing LLC1Cobra Aviation Services LLC1Avioelectronica INC DBA1
Largest fleets, as a table
aircraft
Vertol Systems Company INC2
Yavapai County1
Wind River Aviation LLC1
Sharcott INC Trustee1
Lga 1992 LLC1
Lancair of Texas DBA1
Fxc Nation Leasing LLC1
Cobra Aviation Services LLC1
Avioelectronica INC DBA1

Fleet pages: Vertol Systems Company INC · Cobra Aviation Services LLC

Accident history NTSB records · 1 cases since 1982, 0 fatal

2025-08-15GAA25WA242 · 600N N600MW · accident near Storrington, outside the U.S. · no injuries

The 1 most recent of 1 cases where the NTSB's make and model match this family's versions. Each aircraft's own page also shows its record. How this model compares with others, with the fleet taken into account: Accidents by model in Aviation Analytics.

Questions people ask answers refresh every morning

How many Md Helicopters Inc 600 aircraft are registered in the U.S.?

12 as of November 12, 2026, counting 1 version the FAA records separately.

Which state has the most Md Helicopters Inc 600s?

Florida, with 4.

Who owns the Md Helicopters Inc 600?

92% are registered to companies, flight schools, clubs and other organisations; the rest to individuals and co-owners, who are not named on this site at this time.

When were the Md Helicopters Inc 600s on the register built?

Between 2000 and 2010; half of them in 2005 or earlier.

How many Md Helicopters Inc 600 accidents has the NTSB recorded?

1 accidents and incidents since 1982, 0 of them fatal. A model flown more shows more; the accident analytics compare models per thousand registered.

What is the Md Helicopters Inc 600 made of?

The airframe is aluminium: sheet metal over a riveted frame, the way most aircraft have been built since the 1940s. The FAA's type certificate data sheet is the authority for any one model.

What the FAA has certified, ordered and been told about the Md Helicopters Inc 600 the component layer

The airframe is aluminium: sheet metal over a riveted frame, the way most aircraft have been built since the 1940s. The design is held under 1 type certificate (H3WE, held by MD Helicopters LLC). The FAA has issued 31 airworthiness directives (orders that owners must comply with) that name this model, most of them about rotorcraft systems. 61 approved modifications exist for it, the most by Aerometals.

FAA orders 31 airworthiness directives · newest first

2026-10-202026-19-01 · Rotorcraft flight control · flight controls
2025-10-102025-17-11 · tail rotor control system · rotorcraft systems
2024-12-242024-23-06 · Rotorcraft Flight Control · flight controls
2022-01-102021-22-11 · Tail Rotor Control System · rotorcraft systems
2020-10-282020-18-20 · Main Rotor Blade · rotorcraft systems
2020-06-302020-11-07 · Main Rotor System · rotorcraft systems

All orders naming the Md Helicopters Inc 600

By system

Orders by system, as a table
ordersshare
Rotorcraft systems1445%
Airframe structure516%
Flight controls516%
Other and general413%
Engine310%

Approved replacement parts 560 parts manufacturer approvals

Parts a company other than the maker may make for this design and sell as FAA-approved. The companies holding the most:

Most often: crew carpet (21), long line (19), conv panel (18), passenger seat (16), passenger carpet (15), canted bulkhead (15), transitional panel (14), bench seat (14), firewall panel (13), crew seats (12).

Approved modifications 61 supplemental type certificates

Changes the FAA has approved for this design, from new avionics and engines to floats and parachutes. The companies holding the most:

Latest

2026-01-13SR01050LA · Installation of main rotor blades P/N 500P2300-501/503/505
2024-02-09SR00862LA · Installation of aft belly utility mount.
2024-02-09SR01078LA · Installation of right side dual utility mount, in accordance with FAA Approved Aero Pacific...
2023-08-22SH2735NM · Installation of pneumatic door actuators.
2023-07-19SR02808LA · Installation of MD500 Side Pull Kit

Certificates and bulletins

H3WEType certificate held by MD Helicopters LLC · 12 models listed · revised May 30, 2024

Safety bulletins 5 · advice, not orders

2021-11-29AIR-21-19 · AERIAL TOW EQUIPMENT, Side Pull Hook
2021-11-29AIR-21-19R1 · AERIAL TOW EQUIPMENT, Side Pull Hook
2012-10-03SW-12-45 · Garmin Model 400W/500W Series GPS-WAAS Navigation System
2007-02-16SW-07-17 · Lateral mixer output link assembly (mixer link), part number 600N7636
2004-02-03SW-04-50 ·

Sources: the FAA's type certificate data sheets, airworthiness directives, supplemental type certificates, special conditions and special airworthiness information bulletins (Dynamic Regulatory System), and the FAA's service difficulty reports. A failure report is what an operator or repair station chose to file; the counts show reporting as much as reliability, and larger and commercial fleets report more. How the systems are grouped.

Connections how the 600 links to the rest of the register

Design
Engines
Where they are
Biggest operators
Record
Airworthiness

The whole map of how records connect · these connections as data: /graph/model/md-helicopters-inc/600.json.

Aircraft newest certificates first · 12

Tail no.Maker and modelOwner and baseCertificateRegisteredStatus
N555MS Md Helicopters Inc
600N
Avioelectronica INC DBA
Coral Springs, Florida
Standard 2026-10-20 ValidFAA registration status code V: Valid registration. All codes
N209EC Md Helicopters Inc
600N
Yavapai County
Prescott, Arizona
Standard 2024-11-04 ValidFAA registration status code V: Valid registration. All codes
N300FX Md Helicopters Inc
600N
Fxc Nation Leasing LLC
Palm Springs, Florida
Standard 2024-01-25 ValidFAA registration status code V: Valid registration. All codes
N600FT Md Helicopters Inc
600N
Lancair of Texas DBA
Fort Worth, Texas
Standard 2023-02-01 ValidFAA registration status code V: Valid registration. All codes
N678SK Md Helicopters Inc
600N
Lga 1992 LLC
Aubrey, Texas
Standard 2023-01-02 ValidFAA registration status code V: Valid registration. All codes
N69VS Md Helicopters Inc
600N
Wind River Aviation LLC
Lawton, Oklahoma
Standard 2022-12-03 ValidFAA registration status code V: Valid registration. All codes
N420GC Md Helicopters Inc
600N
Standard 2021-09-21 ValidFAA registration status code V: Valid registration. All codes
N261VS Md Helicopters Inc
600N
Vertol Systems Company INC
Destin, Florida
Standard 2020-03-03 Renewal notice sentFAA registration status code 25: First notice for registration renewal. All codes
N266VS Md Helicopters Inc
600N
Vertol Systems Company INC
Destin, Florida
Standard 2019-11-25 ValidFAA registration status code V: Valid registration. All codes
N745MB Md Helicopters Inc
600N
Cobra Aviation Services LLC
Ashland, Oregon
Standard 2019-02-19 ValidFAA registration status code V: Valid registration. All codes
N600NR Md Helicopters Inc
600N
Sharcott INC Trustee
Wilmington, Delaware
Standard 2018-10-10 ValidFAA registration status code V: Valid registration. All codes
N600MW Md Helicopters Inc
600N
Individual owner
Standard Sale reportedFAA registration status code 7. All codes