Leonardo A109E airworthiness directives

Airworthiness directives that may apply · 52

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

1978In forceSuperseded2026

ADs by the year they took effect: 65 ADs
1978	1
1999	2
2000	2
2001	5
2002	4
2003	1
2004	4
2005	2
2008	3
2009	1
2010	1
2013	5
2014	4
2015	2
2016	1
2018	4
2020	3
2021	6
2022	4
2023	2
2024	2
2025	4
2026	2

Airframe · Leonardo A109E

AD 2026-17-07Main rotor mast/swashplateEffective Oct 2, 2026 AD 2026-09-09Fuselage structureEffective Jun 17, 2026 · Supersedes AD 2021-23-04 AD 2025-18-01Main Rotor HeadEffective Sep 25, 2025

See all 66 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 ('33601QB'))
  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.

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 ('33601QB'))
ORDER BY coalesce(d.effective_date, d.publication_date, d.issue_date) DESC, d.ad_number 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.

Information bulletins that may apply · 4

Airframe · Leonardo A109E

SAIB SW-18-13Main Transmission Plate FittingIssued Apr 30, 2018 SAIB SW-12-45Garmin Model 400W/500W Series GPS-WAAS Navigation SystemIssued Oct 3, 2012 SAIB SW-07-34VOR navigation loop antennaIssued May 29, 2007 SAIB SW-05-18Issued Dec 1, 2004

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 ('33601QB'))
  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.

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 ('33601QB'))
GROUP BY s.saib_number ORDER BY issue_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.

Registered aircraft · 0

No aircraft currently registered with this model

STCs approved for this model · 63

STC SH3319NMInstallation of Precise Flight Pulselite Control Unit in the Landing /Taxi Recognition Visual Control Light system,Precise Flight Inc STC SH3811NMInstall a combination attendant seat and patient litter kit assembly.Aero Credit Company Inc STC SH4676SWInstallation of Tail Rotor Floodlights on the upper surface of the horizontal stabilizerDeVore Aviation Corporation of America, a New Mexico Corporation

See all 63 STCs

Query with SQL

duckdb -csv -c "SELECT s.stc_number, s.description, s.holder, s.status, s.status_date
  FROM 'https://openairdocs.org/data/latest/faa_stc.parquet' s
  WHERE s.stc_number IN (SELECT stc_number FROM 'https://openairdocs.org/data/latest/faa_stc_model.parquet' WHERE model_key = 'A109E')
  ORDER BY s.status = 'Current' 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
FROM 'https://openairdocs.org/data/latest/faa_stc.parquet' s
WHERE s.stc_number IN (SELECT stc_number FROM 'https://openairdocs.org/data/latest/faa_stc_model.parquet' WHERE model_key = 'A109E')
ORDER BY s.status = 'Current' 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.

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 · 175

SDR QMLA2026062720040Probe · leakingCREW STATES HEAVY FUEL ODOR IN AFT CABIN GOT WORSE IN FLIGHT. AIRCRAFT CURRENTLY OOS FOR REPAIRS. UPON INSPECTION FOUND LT LOWER FUEL QUANTITY PROBE NOT SEATED PROPERLY. REPLACED PROBE.Jun 25, 2026 · N7UC · Agusta A109E · Air Distribution System SDR QMLA2026050820029Inverter · failedINVERTER 1 AND SAS 1 CAUTION WARNING LIGHTS ILLUMINATED. PILOT ATTEMPTED TO RESET AND BOTH SYSTEMS FAILED AGAIN. PILOT DIVERTED TO CLOSEST SUITABLE AIRPORT TO PERFORM APPROPRIATE EMERGENCY PROCEDURE WHICH WAS A RUN-ON LANDING.May 8, 2026 · N238A · Agusta A109E · Auto Flight System SDR QMLA2026030220014Vent · obstructedFLIGHT LEG RETURNING TO BASE FROM PATIENT DROP OFF THE CREW MEMBER IN THE BACK SAID THEY COULD SMELL FUEL. I COULD NOT AND HE STATED THAT HE HAD THE WINDOW OPEN. WHEN I ASKED HIM TO CLOSE THE WINDOW I COULD THEN SMELL THE FUEL UP IN FRONT OF THE CABIN. REMOMar 1, 2026 · N7UC · Agusta A109E · Aircraft Fuel Distribution System

See all 175 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 = 'A109E'
  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 = 'A109E'
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.

The same model under other registry codes

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

Agusta A109E55 registered aircraftRegistry code 0260101 Agusta S P A Construzioni Aero A109E1 registered aircraftRegistry code 0260659 Agustawestland A109E0 registered aircraftRegistry code 0260115

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 = 'A109E' AND m.code NOT IN ('33601QB')
  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 = 'A109E' AND m.code NOT IN ('33601QB')
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.