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MD Helicopters MD 900

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Aircraft model · Rotorcraft · Rotorcraft · registry code 3030004

Manufacturer (registry)
MD HELICOPTERS INC
Model
MD 900
Registry code
3030004
Registered
11 aircraft
Type
Rotorcraft
Engines
2 · Turbo-shaft
Seats
8
Weight class
12,500 to 19,999 lb
Certification
Type certificated
Data sheet
TCDSH19NM
Holder
MD Helicopters LLC

Model codes come from the FAA registry’s reference file. ADs are matched to them by model name and maker.

On this page

Aircraft by year built · 60

2000Registered nowDeregistered2026

Airworthiness directives that may apply · 25

ADs whose products match this airframe model. Each AD’s applicability may narrow it by serial number, part number or configuration.

1997In forceSuperseded2026
See all 38 ADs
Query with SQL
duckdb -csv -c "SELECT d.ad_number, d.status, d.subject, d.effective_date
  FROM 'https://openairdocs.org/data/latest/faa_directive.parquet' d
  WHERE d.ad_id IN (SELECT ad_id FROM 'https://openairdocs.org/data/latest/faa_aircraft_model_directive.parquet' WHERE aircraft_model_code IN ('3030004'))
  ORDER BY coalesce(d.effective_date, d.publication_date, d.issue_date) DESC, d.ad_number DESC"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

Information bulletins that may apply · 1

Query with SQL
duckdb -csv -c "SELECT s.saib_number, any_value(s.title) AS title, max(s.issue_date) AS issue_date, any_value(s.status) AS status
  FROM 'https://openairdocs.org/data/latest/faa_saib.parquet' s
  WHERE s.saib_id IN (SELECT saib_id FROM 'https://openairdocs.org/data/latest/faa_aircraft_model_saib.parquet' WHERE aircraft_model_code IN ('3030004'))
  GROUP BY s.saib_number ORDER BY issue_date DESC"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

Registered aircraft · 11

N353KKAerospace Trust Management LLC Owner Trustee · Wilmington, DES/N 900-00073N451CJTurbines Ltd · West Point, NES/N 900-00077N70431Aertrust Services Corp Trustee · Wilmington, DES/N 900-00069N881LTArk Angels LLC · Austin, TXBuilt 2006 · S/N 900-00117N902EAKenai Aviation Inc Trustee · Wilmington, DEBuilt 2000 · S/N 900-00076N902GBGremlin Air Inc Trustee · Wilmington, DEBuilt 2001 · S/N 900-00089N902JSApex Heli-Support LLC · Phoenix, AZBuilt 2000 · S/N 900-00072N902LCLester E Cox Medical Centers · Springfield, MOBuilt 2007 · S/N 900-00118N902TXBurl & Bob Aircraft Leasing LLC · Ashland, ORBuilt 2001 · S/N 900-00092N904AFLeopard Aviation LLC · Ashland, ORBuilt 2001 · S/N 900-00101N912LHBrim Equipment Leasing LLC · Ashland, ORBuilt 2001 · S/N 900-00095
Query with SQL
duckdb -csv -c "SELECT n_number, serial_number, year_manufactured, status, registrant_name, registrant_city, registrant_state
  FROM 'https://openairdocs.org/data/latest/faa_aircraft_registration.parquet'
  WHERE aircraft_model_code IN ('3030004')
  ORDER BY n_number"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

NTSB investigations · 5

Aircraft matched to this model through the registry, by N-number and event date, checked against the reported serial number, make and model.

Defining event, 2008 on

Of 4 cases NTSB coded with a defining event. All defining events

In the probable cause, 2008 on

Findings NTSB made part of the probable cause. A case can have several. All findings

First occurrence, 1982 to 2007

Of 1 case with NTSB’s older coding, defined in its coding manual.

NTSB CEN15LA066Accident · Minor injuriesLimited investigationFinal reportMD Helicopter MD 900 · Highlandville, MOThe pilot's inability to identify the power line during the initial approach in night visual meteorological conditions and his subsequent failure to avoid the power line once he identified it on final approach.Nov 27, 2014 · N902LC · Substantial damageNTSB CEN09IA032Incident · No injuriesIncident investigationFinal reportMD Helicopter MD 900 · Amherst, TXThe failure of the vertical stabilizer control adapter due to reverse bending fatigue.Oct 19, 2008 · N902NM · Minor damageNTSB CEN09IA003Incident · No injuriesIncident investigationFinal reportMD Helicopter MD 900 · Weatherford, TXThe failure of the vertical stabilizer control adapter due to reverse bending fatigue.Oct 8, 2008 · N902RN · Minor damageNTSB LAX08IA241Incident · No injuriesIncident investigationFinal reportMD Helicopters MD 902 · Salinas, CAThe pilot's inability to maintain directional control due to the fatigue failure of the threaded portion of the forward directional control cable as a result of the improper installation a lock washer.Jul 21, 2008 · N902CS · Minor damageNTSB ANC06LA038Accident · No injuriesLimited investigationFinal reportMD Helicopters MD 900 · Mesa, AZThe manufacturer's inadequate design clearance of the main rotor blade grip pitch cases, which resulted in damage to the pitch cases when they contacted main rotor perimeter bolts during maneuvering flight.Mar 22, 2006 · N912LH · Substantial damage
Query with SQL
duckdb -csv -c "SELECT c.\"ntsbNumber\", c.\"eventDate\", c.\"eventType\", c.\"eventCity\", c.\"eventStateOrRegion\", a.n_number, a.\"aircraftMake\", a.\"aircraftModel\", c.\"highestInjuryLevel\", c.\"totalFatal\", c.\"completionStatus\", c.report_url
  FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a JOIN 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c ON c.\"mKey\" = a.case_mkey
  WHERE a.aircraft_model_code IN ('3030004')
  ORDER BY c.\"eventDate\" DESC, c.\"ntsbNumber\" DESC"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

FAA incident reports · 4

Matched to this model through the registry, by N-number and event date, checked against the reported make and model.

Accident 20141126021509AMD Helicopter MD 900 · Highlandville, MOThis aircraft was attempting to land in an open field to pick up a passenger that was involved in a vehicle accident and transport the patient to the hospital. While landing, the aircraft struck an electrical power line that was approximately ¼ inch in…Nov 26, 2014 · N902LC · Substantial damageIncident 20081003849999IDoug MD900 · Lubbock, TX(-23) On October 5, 2008, the flight crew of N911AC, was performing flight training under the part 135 certificate at Lubbock international airport. The instructor pilot requested that the trainee perform a quick stop maneuver. The trainee executed the…Oct 3, 2008 · N911AC · Minor damageIncident 20080208842499IDoug MD900 · Gilroy, CA(-23) In a statement dated 08/03/2008, the pilot [privacy data omitted] states: after departing a rendezous landing area at 75 percent transmission torque in level flight he noticed that about 2 inches left pedal was required to mantain the aircraft in trim.…Feb 8, 2008 · N902RN · Minor damageAccident 20060322005049ADoug MD900 · Mesa, AZ(-23) During a photo flight northeast of the Mesa ffz, with the pilot and crew chief aboard, the main rotor pitch cases were damaged by contact with the perimeter bolts of the main rotor hub assembly. The flight included +6/-69 degree bank angles, +35/-35…Mar 22, 2006 · N912LH · Substantial damage
Query with SQL
duckdb -csv -c "SELECT report_number, event_date, event_type, city, state, aircraft_make, aircraft_model, aircraft_damage, fatal_injuries, n_number
  FROM 'https://openairdocs.org/data/latest/faa_incident_report.parquet'
  WHERE aircraft_model_code IN ('3030004')
  ORDER BY event_date DESC, report_number DESC"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

Service difficulty reports · 435

SDR QMLA2025111620114Blade · delaminatedTRIM TAB SECTION ON MRB NR 4 WAS DISCOVERED TO BE DELAMINATED ON POST FLIGHT WALK AROUND. REMOVED AND REPLACED MRB.Nov 15, 2025 · N902CH · Doug MD900 · Main Rotor BladesSDR QMLA2018092718104Bolt · shearedMR DRIVE RING BOLT FOUND TO BE SHEARED DURING ANNUAL INSPECTION OF MR HEAD AND DRIVE SYSTEMSep 24, 2018 · N900UM · Doug MD900 · Main Rotor SystemSDR QMLA2018040718042Warning Light · false activationWHILE ENROUTE, THE TRANSMISSION CHIP LIGHT ILLUMINATED APPROXIMATEDLY FIFTEEN MINUTES INTO THE FLIGHT. STAYED ON FOR ABOUT 15 SECONDS BEFORE GOING OUT. CAME BACK AND OUT THREE MORE TIMES BEFORE LANDING. THE TRANSMISSION TEMPERATURE AND OIL PRESSURE REMAIApr 7, 2018 · N900UM · Doug MD900 · Main Rotor Gearbox
See all 435 difficulty reports
Query with SQL
duckdb -csv -c "SELECT sdr_id, difficulty_date, n_number, aircraft_make, aircraft_model, part_name, part_condition, jasc_code, discrepancy
  FROM 'https://openairdocs.org/data/latest/faa_service_difficulty_report.parquet'
  WHERE aircraft_model_key = 'MD900'
  ORDER BY difficulty_date DESC"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

STCs that may be installed · 59

Approved for this model: the STC’s model list names it on its data sheet, or a series that includes it. The registry doesn’t record which STCs an aircraft has.

STC SR04464NYInstallation of the iPad MountAvio Design Group Inc.STC SR09027RCInstallation of a liquid oxygen systemMD Helicopters LLCSTC SR00242DE-DInstallation of multipurpose cabin floor and seatsAir Methods LLC
See all 59 STCs
Query with SQL
duckdb -csv -c "SELECT s.stc_number, s.description, s.holder, s.status, s.status_date, m.matched_model
  FROM (
    SELECT stc_number, min(matched_model) AS matched_model
    FROM 'https://openairdocs.org/data/latest/faa_aircraft_model_stc.parquet'
    WHERE aircraft_model_code IN ('3030004')
    GROUP BY stc_number
  ) m JOIN 'https://openairdocs.org/data/latest/faa_stc.parquet' s USING (stc_number)
  ORDER BY s.status = 'Current' DESC, s.status_date DESC, s.stc_number"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

PMA parts · 1,000+

Current parts manufacturer approvals (PMA): parts the FAA has approved companies to make as replacements or modifications. Each record lists its models as free text; OpenAirDocs matched them to this model on its data sheet, so check the FAA record before relying on it. Newest first.

MDLDL-MD900ACVapor Cycle Air Conditioning SystemAir Comm Corporation · PMA PQ0072NM · Modification part · Aug 31, 2026MDLDL-MD900ACVapor Cycle Air Conditioning SystemAir Comm Corporation · PMA PQ0072NM · Modification part · Feb 10, 2025TA3195-2Heli-Preheat KitHartzell Propeller LLC · PMA PQ2040CE · Modification part · Apr 2, 2024
See all 1,000+ PMA parts
Query with SQL
duckdb -csv -c "SELECT drs_guid, part_number, part_name, holder, pma_number, replaces_part, supplement_date, tcds_models
  FROM 'https://openairdocs.org/data/latest/faa_type_certificate_pma.parquet'
  WHERE tcds_number IN ('H19NM')
    AND len(list_intersect(tcds_models, ['MD900'])) > 0
  ORDER BY supplement_date DESC, drs_guid DESC"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

The same model under other registry codes

Amateur-built copies and renamed makers get their own codes.

Mcdonnell Douglas Helicopter MD 9009 registered aircraftRegistry code 3027375
Query with SQL
duckdb -csv -c "SELECT m.code, m.manufacturer, m.model, count(g.n_number) AS aircraft
  FROM 'https://openairdocs.org/data/latest/faa_aircraft_model.parquet' m LEFT JOIN 'https://openairdocs.org/data/latest/faa_aircraft_registration.parquet' g ON g.aircraft_model_code = m.code
  WHERE m.match_key = 'MD900' AND m.code NOT IN ('3030004')
  GROUP BY ALL
  ORDER BY aircraft DESC
  LIMIT 12"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.