Douglas B-23 airworthiness directives

Manufacturer (registry): DOUGLAS
Model: B-23
Registry code: 3020702
Registered: 2 aircraft
Type: Fixed wing multi engine
Engines: 2 · Reciprocating
Seats: 5
Weight class: 20,000 lb and over
Cruise speed: 180 mph
Certification: Type certificated
Data sheet: TCDSTC 2-576
Holder: Douglas Aircraft Co. Inc.

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 · 7

1940Registered nowDeregistered2026

Aircraft by the year they were built: 7 aircraft
1940	6
1945	1

Airworthiness directives that may apply · 0

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

No ADs matched this model

Registered aircraft · 2

N4000BWorlds Greatest Aircraft Collection Inc · Polk City, FLBuilt 1940 · S/N 2743 N747MPissed Away N747m LLC · Bellevue, WABuilt 1940 · S/N 2719

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 ('3020702')
  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.

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 ('3020702')
ORDER BY n_number

Run it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.

NTSB investigations

No NTSB investigations matched to aircraft with this modelMatched through the registry by N-number, so foreign aircraft and some older cases aren’t counted.

FAA incident reports

No reports matched to aircraft of this modelMatched through the registry by N-number, so foreign aircraft and some older reports aren’t counted.

Service difficulty reports · 5

SDR CA080303006Static Port · obstructed(CAN) WHILE DOING A PRE-PURCHASE INSP, DISCOVERED A PIECE OF TAPE COVERING THE RT STATIC PORT.Mar 3, 2008 · Beech B23 · Pitot/Static System SDR 2001FA0000328Block · crackedAIRCRAFT WS ON FINAL APPROACH TO OCF, ENGINE WAS NOISY AND QUIT. AIRCRAFT MADE EMERGENCY LANDING ON HORSE RACE TRACK. OPENED COWLING, FOUND 3 INCH CRACK AFT, LEFT, TOPSIDE OF ENGINE BLOCK. ENGINE HAS 2776 HOURS SINCE OVERHAUL. 15 DAYS OUT OF ANNUAL INSPECTJul 15, 2001 · N9815S · Beech B23 · Engine (Reciprocating)SDR 99ZZZX2659Oil Cooler · rupturedOIL COOLER RUPTURED IN AIRCRAFT.Jun 11, 1999 · N6136N · Beech B23 · Engine Oil Cooler SDR 98ZZZX2653Clamp · slippedMXITURE CONTROL CABLE HOUSING SLIPPED DUE TO INCORRECT MOUNTING CLAMP CAUSING INTERMITTENT LEAN RUNNING. INSTALLED PROPER CLAMP AND RIGGED SYSTEM TO PROVIDE CUSHION PER MM.May 15, 1998 · N7614R · Beech B23 · Mixture Control SDR 96ZZZX3451Doubler · worn holeBUSHINGS 169-110000-347 FELL OUT OF DOUBLER WHEN LOOSE AILERONS REMOVED. NEW PARTS FOR MANUFACTURER FOUND TO HAVE A VERY LOOSE INTERFERENCE FIT BETWEEN BUSHING AND DOUBLER. THIS COULD RESULT IN SAME PROBLEM IN A SHORT TIME.May 16, 1996 · N6996Q · Beech B23 · Ailerons

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 = 'B23'
  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.

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 = 'B23'
ORDER BY difficulty_date DESC

Run it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.

STCs that may be installed · 4

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 SA01406NYInstallation of Airwolf remote mounted engine oil filter kit AFC-K017 on single and multi-engine fixed light aircraft and rotary wingAirwolf Filter Corporation STC SA2-228The generator system rewired to accommodate a 200-amp load and equipment.Signature Flight Support Corporation STC SA2-229The anti-icer system is altered.Signature Flight Support Corporation STC SA2-739Installation of picture window.Sierra Industries, Inc

Query with SQL

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 ('3020702') 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

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 ('3020702')
    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.

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 ('3020702')
  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

Run it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.

The same model under other registry codes

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

Beech B2362 registered aircraftRegistry code 1151240

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 = 'B23' AND m.code NOT IN ('3020702')
  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.

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 = 'B23' AND m.code NOT IN ('3020702')
GROUP BY ALL
ORDER BY aircraft DESC
LIMIT 12

Run it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.