# Airworthiness directives that may apply: N9409H

A list on [N9409H](https://openairdocs.org/aircraft/N9409H.md).

Matched by this aircraft’s airframe and engine models. Each AD’s applicability may narrow it by serial number, part number or equipment.

- [AD 2026-13-02](https://openairdocs.org/ad/2026-13-02.md): Navigation · Effective Jul 1, 2026
- [AD 2023-10-02](https://openairdocs.org/ad/2023-10-02.md): Indicating/Recording System, Navigation · Effective May 26, 2023 · Supersedes AD 2021-23-12
- [AD 93-14-12](https://openairdocs.org/ad/93-14-12.md): Crewmember Protective Breathing Equipment Units · Effective Sep 2, 1993
- [AD 71-07-02](https://openairdocs.org/ad/71-07-02.md): Obstacle Clearance Profile · Effective Apr 3, 1971
- [AD 64-13-03](https://openairdocs.org/ad/64-13-03.md): Nose Landing Gear Rod Ends · Effective Jun 12, 1964
- [AD 64-07-04](https://openairdocs.org/ad/64-07-04.md): Flight Control Boost Systems · Effective Apr 14, 1964
- [AD 64-02-05](https://openairdocs.org/ad/64-02-05.md): Openable Window in the Crew Exit · Effective Jan 10, 1964
- [AD 63-25-02](https://openairdocs.org/ad/63-25-02.md): Nose Landing Gear · Effective Dec 30, 1963
- [AD 62-26-03](https://openairdocs.org/ad/62-26-03.md): Main Landing Gear Crossheads · Effective Jan 7, 1963
- [AD 62-19-02](https://openairdocs.org/ad/62-19-02.md): Main Landing Gear Pistons · Effective Sep 24, 1962
- [AD 62-01-02](https://openairdocs.org/ad/62-01-02.md): Main Landing Gear Cylinders · Effective Jan 9, 1962
- [AD 61-24-04](https://openairdocs.org/ad/61-24-04.md): Horizontal Stabilizer Rear Spar · Effective Dec 14, 1961
- [AD 61-19-03](https://openairdocs.org/ad/61-19-03.md): Elevator Bolt Inspection · Effective Sep 8, 1961
- [AD 60-10-04](https://openairdocs.org/ad/60-10-04.md): Fuselage Aft Pressure Bulkhead
- [AD 60-04-04](https://openairdocs.org/ad/60-04-04.md): Landing Gear Cylinders
- [AD 59-12-02](https://openairdocs.org/ad/59-12-02.md): Bathtub Fitting
- [AD 59-03-02](https://openairdocs.org/ad/59-03-02.md): Landing Gear Downlock Guide
- [AD 58-21-01](https://openairdocs.org/ad/58-21-01.md): Bulkhead Corrosion Inspection
- [AD 58-20-03](https://openairdocs.org/ad/58-20-03.md): Bulkhead Corrosion Inspection
- [AD 58-01-05](https://openairdocs.org/ad/58-01-05.md): Wing Skin and Stringer Inspection
- [AD 57-03-03](https://openairdocs.org/ad/57-03-03.md): Micronic Filter Cover
- [AD 57-03-02](https://openairdocs.org/ad/57-03-02.md): Fuel Strainer Screen
- [AD 56-25-04](https://openairdocs.org/ad/56-25-04.md): Flap Symmetry
- [AD 56-16-02](https://openairdocs.org/ad/56-16-02.md): Automatic Pilot Servo Brackets
- [AD 55-23-03](https://openairdocs.org/ad/55-23-03.md): Landing Gear Cylinder Assy.
- [AD 55-17-01](https://openairdocs.org/ad/55-17-01.md): Flap Torque Tube Bolts
- [AD 55-15-06](https://openairdocs.org/ad/55-15-06.md): Cooling Air System Rework
- [AD 54-24-03](https://openairdocs.org/ad/54-24-03.md): Main Landing Gear Actuating Cylinder Assembly
- [AD 54-22-01](https://openairdocs.org/ad/54-22-01.md): Flexible Hose Replacement
- [AD 53-15-02](https://openairdocs.org/ad/53-15-02.md): Wing Lower Front Spar Cap
- [AD 52-13-02](https://openairdocs.org/ad/52-13-02.md): Propeller Reversing Rework
- [AD 52-12-03](https://openairdocs.org/ad/52-12-03.md): Bulkhead Ring and Bracket
- [AD 49-52-01](https://openairdocs.org/ad/49-52-01.md): Elevator Booster System Rework
- [AD 49-49-01](https://openairdocs.org/ad/49-49-01.md): PB-10 Automatic Pilot
- [AD 48-33-01](https://openairdocs.org/ad/48-33-01.md): Fuel System Placards
- [AD 48-27-01](https://openairdocs.org/ad/48-27-01.md): Fuel Dump Standpipes
- [AD 48-19-02](https://openairdocs.org/ad/48-19-02.md): Elevator Lever
- [AD 48-18-04](https://openairdocs.org/ad/48-18-04.md): Supercharger Bearing Thermocouple
- [AD 48-18-03](https://openairdocs.org/ad/48-18-03.md): Cabin Supercharger Driveshaft
- [AD 48-12-04](https://openairdocs.org/ad/48-12-04.md): Fire Prevention Requirements
- [AD 47-49-12](https://openairdocs.org/ad/47-49-12.md): Landing Gear Doors
- [AD 47-49-11](https://openairdocs.org/ad/47-49-11.md): Fuel System Inspection
- [AD 47-49-10](https://openairdocs.org/ad/47-49-10.md): Astrodome Rework
- [AD 47-49-09](https://openairdocs.org/ad/47-49-09.md): Wing Attaching Pins
- [AD 47-49-08](https://openairdocs.org/ad/47-49-08.md): Aileron Rib and Skin Inspection
- [AD 47-49-07](https://openairdocs.org/ad/47-49-07.md): Drag Link Bolt Replacement
- [AD 47-49-06](https://openairdocs.org/ad/47-49-06.md): Oil Pressure Gage Placard
- [AD 47-49-05](https://openairdocs.org/ad/47-49-05.md): Control Cable Housing Fasteners
- [AD 47-49-04](https://openairdocs.org/ad/47-49-04.md): Rudder Pedal Pins
- [AD 47-49-03](https://openairdocs.org/ad/47-49-03.md): Rudder Torque Tube Attachments
- [AD 47-49-02](https://openairdocs.org/ad/47-49-02.md): Nose Gear Extension Line Clearance
- [AD 47-49-01](https://openairdocs.org/ad/47-49-01.md): Rudder Trim Tab Control Relocation
- [AD 47-10-39](https://openairdocs.org/ad/47-10-39.md): Aileron Trailing Edge
- [AD 47-10-38](https://openairdocs.org/ad/47-10-38.md): Landing Gear Drag Link Cross-Head
- [AD 47-10-37](https://openairdocs.org/ad/47-10-37.md): Landing Gear Fulcrum Bolts
- [AD 47-10-36](https://openairdocs.org/ad/47-10-36.md): Wing Leading Edge Rework
- [AD 47-10-34](https://openairdocs.org/ad/47-10-34.md): Exhaust System Ball Joint Rework
- [AD 47-10-33](https://openairdocs.org/ad/47-10-33.md): Cylinder Barrel Replacement
- [AD 47-10-32](https://openairdocs.org/ad/47-10-32.md): Upper Wing Surface Inspection
- [AD 47-10-31](https://openairdocs.org/ad/47-10-31.md): Landing Gear Torque Arm
- [AD 47-10-30](https://openairdocs.org/ad/47-10-30.md): Fuel Tank Surge Box Flapper Valves
- [AD 47-10-29](https://openairdocs.org/ad/47-10-29.md): Aileron Drain Holes
- [AD 47-10-28](https://openairdocs.org/ad/47-10-28.md): Elevator Cable Seal Holes
- [AD 47-10-27](https://openairdocs.org/ad/47-10-27.md): Fuel Tank Vent Outlets
- [AD 47-10-26](https://openairdocs.org/ad/47-10-26.md): Flap drain Line Rerouting
- [AD 47-10-25](https://openairdocs.org/ad/47-10-25.md): Generator Mounting Bolts
- [AD 47-10-24](https://openairdocs.org/ad/47-10-24.md): Cross-Feed Relief Valve
- [AD 47-10-23](https://openairdocs.org/ad/47-10-23.md): Bathtub Fitting Steel Nuts
- [AD 47-10-22](https://openairdocs.org/ad/47-10-22.md): Fire Extinguisher Valve Washer
- [AD 47-10-21](https://openairdocs.org/ad/47-10-21.md): Landing Gear Torque Links
- [AD 47-10-20](https://openairdocs.org/ad/47-10-20.md): Alcohol Tank Replacement
- [AD 47-10-19](https://openairdocs.org/ad/47-10-19.md): Cabin Heater Fuel Solenoid Valve
- [AD 47-10-18](https://openairdocs.org/ad/47-10-18.md): Fire Resistant Fuel Line
- [AD 47-10-17](https://openairdocs.org/ad/47-10-17.md): Cabin Supercharger Rework
- [AD 47-10-16](https://openairdocs.org/ad/47-10-16.md): Conversion of 49-51 to 49-46
- [AD 47-10-15](https://openairdocs.org/ad/47-10-15.md): Recertification of Lockheed 49
- [AD 47-10-14](https://openairdocs.org/ad/47-10-14.md): Fuel Pump Flexible Hose
- [AD 47-10-13](https://openairdocs.org/ad/47-10-13.md): Fire Resistant Firewall Fittings
- [AD 47-10-11](https://openairdocs.org/ad/47-10-11.md): Fire Detector Replacement
- [AD 47-10-10](https://openairdocs.org/ad/47-10-10.md): Voltage Regulator Soundproofing
- [AD 47-10-09](https://openairdocs.org/ad/47-10-09.md): Oil Line Cover Plates
- [AD 47-10-08](https://openairdocs.org/ad/47-10-08.md): Elevator Booster Shifter Horn
- [AD 47-10-07](https://openairdocs.org/ad/47-10-07.md): Landing Gear Restriction Valve
- [AD 47-10-06](https://openairdocs.org/ad/47-10-06.md): Fuel Tank Shutoff Valves
- [AD 47-10-05](https://openairdocs.org/ad/47-10-05.md): Landing Gear Selector Valve
- [AD 47-10-04](https://openairdocs.org/ad/47-10-04.md): Engine Autosyn Transmitter Jumpers
- [AD 47-10-03](https://openairdocs.org/ad/47-10-03.md): Rudder and Elevator Circuit Breakers
- [AD 47-10-02](https://openairdocs.org/ad/47-10-02.md): Elevator Tab Control Circuit Breaker

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
SELECT d.ad_number, d.status, d.subject, d.effective_date, m.matched_by
FROM (
  SELECT ad_id, min(rank) AS rank, arg_min(matched_by, rank) AS matched_by
  FROM (SELECT ad_id, 1 AS rank, 'airframe' AS matched_by FROM 'https://openairdocs.org/data/latest/faa_aircraft_model_directive.parquet' WHERE aircraft_model_code = '5261702'
    UNION ALL SELECT ad_id, 2, 'engine' FROM 'https://openairdocs.org/data/latest/faa_engine_model_directive.parquet' WHERE engine_model_code = '67032')
  GROUP BY ad_id
) m JOIN 'https://openairdocs.org/data/latest/faa_directive.parquet' d USING (ad_id)
ORDER BY d.status = 'Historical', m.rank, coalesce(d.effective_date, d.publication_date, d.issue_date) DESC, d.ad_number DESC
```

This list as a web page: https://openairdocs.org/aircraft/N9409H/ads

---
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