Aircraft model · Fixed wing multi engine · Airplane · registry code 3021466

Manufacturer (registry)
DOUGLAS
Model
DC3C-R-1830-90C
Registry code
3021466
Registered
10 aircraft
Type
Fixed wing multi engine
Engines
2 · Turbo-prop
Seats
32
Weight class
20,000 lb and over
Cruise speed
150 mph
Certification
Type certificated
Data sheet
TCDSA-669
Holder
The Boeing Company

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 · 14

1942Registered nowDeregistered2026
Aircraft by the year they were built: 14 aircraft
19421
19434
19443
19454
19471
19491

Airworthiness directives that may apply · 32

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

1960In forceSuperseded2026
ADs by the year they took effect: 18 ADs
19601
19641
19661
19681
19702
19771
19781
19901
19921
19931
19961
19982
20001
20111
20231
20261
See all 33 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 ('3021466'))
  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 · 2

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 ('3021466'))
  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 · 10

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 ('3021466')
  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 · 1

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

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 ('3021466')
  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 · 3

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

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 ('3021466')
  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 · 8

SDR 2025F00280Tube · rupturedCREW REPORTED HISSING NOISE FROM THE LEFT TIRE ON POST FLIGHT WALK AROUND. REMOVED TIRE AND INSPECTED TUBE. FOUND A SMALL RUPTURE IN THE TUBE THAT DID NOT APPEAR TO BE A CUT OR PENETRATING DAMAGE. TIRE CASING APPEARS SMOOTH WITH NO PROTRUSIONS.Dec 2, 2025 · N300MF · Doug DC3CR183090C · Tire TubeSDR 2025FA0000798Tube · rupturedTIRE LEFT MAIN WAS SEEN DEFLATING WHILE PARKED ON THE RAMP. REMOVED TIRE AND INSPECTED TUBE AND TIRE. TIRE CASING WAS FOUND TO BE IN GOOD CONDITION AND SMOOTH INSIDE. TUBE WAS FOUND TO HAVE A SMALL RUPTURE, WITH NO EVIDENCE OF PENETRATION OR DAMAGE ON THE OUTSNov 12, 2025 · N300MF · Doug DC3CR183090C · Tire TubeSDR HZZ2011F00000Cylinder · crackedENGINE STARTED TO RUN ROUGH IN FLIGHT. THE CAPT SHUTDOWN THE NR 1 ENGINE. UPON INSPECTION ON THE GROUND, IT WAS FOUND THAT THE NR3 CYLINDER HAD CRACKED NEAR THE EXHAUST PORT.Aug 3, 2011 · N403JB · Doug DC3CR183090C · Reciprocating Engine Cylinder SectionSDR 2008FA0000232Cartridge · failedTHE FIRE BOTTLE WAS BEING DISCHARGED FOR AN OVERHAUL. THE CARTRIDGE FIRED BUT DID NOT DISCHARGE THE BOTTLE. SUSPECT IMPROPER SETUP OF CARTRIDGE IN BOTTLE. (K)Mar 31, 2008 · N300BF · Doug DC3CR183090C · Fire Bottle, FixedSDR YZ4R200800001Extinguisher · inoperativeFIRE EXTINGUISHER DID NOT ACTIVATE. THE FIRE EXTINGUISHER IS FILLED WITH 4.5 POUNDS OF HALON 1301 AND PRESSURIZED TO 600 PSIG WITH DRY NITROGEN. THE CONTENTS ARE HELD IN THE CYLINDER BY A PLUG VALVE, PN 13038 WITH AN O-RING SEAL. THIS PLUG VALVE IS COMPRESSED Feb 22, 2008 · N300BF · Doug DC3CR183090C · Extinguishing SystemSDR 98ZZZX3540Fork · brokenAS THE AIRCRAFT PARKED AND THE ENGINES SHUT DOWN, THE TAIL WHEEL FORK CRACKED AND BROKE IN TWO PIECES. AREAS OF CONSIDERABLE DAMAGE WERE THE LOWER SKIN, FORMERS AND STRINGERS AT STA 664/667. APPARENT CAUSE OF TROUBLE - METAL FATIGUE.May 11, 1998 · N133FS · Doug DC3CR183090C · Nose/Tail Landing Gear Strut/AxleSDR 98ZZZX3525Fork · brokenAS THE AIRCRAFT PARKED AND THE ENGINES SHUT DOWN, THE TAIL WHEEL FORK CRACKED AND BROKE IN TWO PIECES. AREAS OF CONSIDERABLE DAMAGE WERE THE LOWER SKIN, FORMERS AND STRINGERS AT STA 664/667. APPARENT CAUSE OF TROUBLE - METAL FATIGUE.May 11, 1998 · N133FS · Doug DC3CR183090C · Nose/Tail Landing Gear Strut/AxleSDR AU970737Pump · faulty(AUS) LH ENGINE DRIVEN VACUUM PUMP FAULTYJun 17, 1997 · Doug DC3CR183090C · Vacuum Distribution System
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 = 'DC3CR183090C'
  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 · 247

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.

See all 247 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 ('3021466')
    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 · 150

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.

See all 150 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 ('A-669')
    AND len(list_intersect(tcds_models, ['DC3C-R-1830-90C'])) > 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.

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 = 'DC3CR183090C' AND m.code NOT IN ('3021466')
  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.