# Airworthiness directives that may apply: N762HT

A list on [N762HT](https://openairdocs.org/aircraft/N762HT.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 2026-15-17](https://openairdocs.org/ad/2026-15-17.md): Main Rotor Gearbox · Effective Sep 10, 2026 · Supersedes AD 2015-20-12
- [AD 2026-11-05](https://openairdocs.org/ad/2026-11-05.md): Rotorcraft flight control; Rotorcraft servo system · Effective Jul 9, 2026
- [AD 2023-11-07](https://openairdocs.org/ad/2023-11-07.md): Ground Proximity System · Effective Jun 22, 2023 · Supersedes AD 2021-23-13
- [AD 2022-05-10](https://openairdocs.org/ad/2022-05-10.md): Cabin Equipment/Furnishings · Effective Apr 20, 2022
- [AD 2021-05-19](https://openairdocs.org/ad/2021-05-19.md): Tail Rotor Control System · Effective May 7, 2021
- [AD 2013-06-51](https://openairdocs.org/ad/2013-06-51.md): Equipment/Furnishings · Emergency AD · Effective Jul 15, 2013
- [AD 2013-05-17](https://openairdocs.org/ad/2013-05-17.md): Aircraft Fuel Filter/Strainer · Effective Apr 26, 2013
- [AD 2007-01-05](https://openairdocs.org/ad/2007-01-05.md): Main gearbox input left and right freewheel unit (IFWU) assembly · Effective Feb 14, 2007
- [AD 2004-15-22](https://openairdocs.org/ad/2004-15-22.md): Bearing chip detector · Effective Sep 7, 2004
- [AD 2002-20-05](https://openairdocs.org/ad/2002-20-05.md): Rescue hoists · Effective Nov 7, 2002
- [AD 2000-13-06](https://openairdocs.org/ad/2000-13-06.md): Web Fittings · Effective Jul 18, 2000 · Supersedes AD 2000-05-16
- [AD 98-26-02](https://openairdocs.org/ad/98-26-02.md): Shaft · Effective Jan 20, 1999
- [AD 97-19-06](https://openairdocs.org/ad/97-19-06.md): Blade Trailing Edge Pocket Assemblies · Effective Oct 6, 1997 · Supersedes AD 97-10-04
- [AD 91-12-01](https://openairdocs.org/ad/91-12-01.md): Sleeve & Spindle Assemblies · Effective Jul 8, 1991
- [AD 90-01-04](https://openairdocs.org/ad/90-01-04.md): Main Rotor Hub Upper Plate · Effective Feb 5, 1990
- [AD 89-04-01 R3](https://openairdocs.org/ad/89-04-01-R3.md): Truss Tube Assemblies · Effective Feb 5, 1990
- [AD 89-07-09](https://openairdocs.org/ad/89-07-09.md): Main Rotor Gearbox · Effective Apr 20, 1989
- [AD 85-18-05 R2](https://openairdocs.org/ad/85-18-05-R2.md): Main Rotor Blades · Effective Feb 8, 1989
- [AD 87-15-11](https://openairdocs.org/ad/87-15-11.md): Gearbox Brackets · Effective Aug 10, 1987
- [AD 86-23-08](https://openairdocs.org/ad/86-23-08.md): Main Rotor Hub Lower Plate · Effective Apr 21, 1987
- [AD 84-25-01](https://openairdocs.org/ad/84-25-01.md): Main Gearbox Inspection · Effective Jan 19, 1985
- [AD 84-11-03](https://openairdocs.org/ad/84-11-03.md): Possible Flange Failure · Effective Jun 6, 1984
- [AD 84-01-51](https://openairdocs.org/ad/84-01-51.md): Rotary Wing Head Shaft Nut · Effective Mar 27, 1984
- [AD 74-20-07 R5](https://openairdocs.org/ad/74-20-07-R5.md): Main Rotor Blades · Effective Dec 30, 1983
- [AD 78-20-05 R4](https://openairdocs.org/ad/78-20-05-R4.md): Main Rotor Spindles · Effective May 25, 1983
- [AD 80-17-07](https://openairdocs.org/ad/80-17-07.md): Horizontal Hinge Pins · Effective Aug 15, 1980
- [AD 78-05-07](https://openairdocs.org/ad/78-05-07.md): Main Landing Gear · Effective Apr 13, 1978
- [AD 74-20-09](https://openairdocs.org/ad/74-20-09.md): Main Rotor Blades · Effective Feb 25, 1977
- [AD 76-06-01](https://openairdocs.org/ad/76-06-01.md): Hydraulic Pumps · Effective Mar 24, 1976
- [AD 76-03-02](https://openairdocs.org/ad/76-03-02.md): Fractures in Barrel Nuts · Effective Feb 17, 1976
- [AD 75-26-10](https://openairdocs.org/ad/75-26-10.md): Component Replacement · Effective Jan 2, 1976
- [AD 68-19-07](https://openairdocs.org/ad/68-19-07.md): Rotor Blade Spindles · Effective Dec 23, 1975
- [AD 75-17-33](https://openairdocs.org/ad/75-17-33.md): Baggage Doors · Effective Oct 3, 1975
- [AD 75-12-01](https://openairdocs.org/ad/75-12-01.md): Main Rotor Blades · Effective Jun 12, 1975
- [AD 74-25-05](https://openairdocs.org/ad/74-25-05.md): Main Rotor Blades · Effective Nov 6, 1974
- [AD 74-25-06](https://openairdocs.org/ad/74-25-06.md): Takeoff Gross Weight Limitation · Effective Oct 16, 1974
- [AD 72-25-04](https://openairdocs.org/ad/72-25-04.md): Loss of Main Rotor Control · Effective Dec 15, 1972
- [AD 72-16-06](https://openairdocs.org/ad/72-16-06.md): Electrical Feeder Wire Gage · Effective Aug 10, 1972
- [AD 72-03-01](https://openairdocs.org/ad/72-03-01.md): Alum. Forgings Flight Control System · Effective Feb 1, 1972
- [AD 71-21-03](https://openairdocs.org/ad/71-21-03.md): Link in Servo Valve Input Linkage · Effective Oct 7, 1971
- [AD 71-05-01](https://openairdocs.org/ad/71-05-01.md): Main Landing Gear Axle · Effective Feb 23, 1971
- [AD 68-20-08](https://openairdocs.org/ad/68-20-08.md): Functional Test of AFCS · Effective Jan 14, 1971
- [AD 70-15-01](https://openairdocs.org/ad/70-15-01.md): Cabin Heater Blower · Effective Jul 22, 1970
- [AD 70-09-03](https://openairdocs.org/ad/70-09-03.md): Tail Gear Box Pitch Beams · Effective May 8, 1970
- [AD 70-08-03](https://openairdocs.org/ad/70-08-03.md): Heater Inlet Check Valve · Effective Mar 17, 1970
- [AD 68-21-06](https://openairdocs.org/ad/68-21-06.md): Deactivate AFCS · Effective Oct 24, 1968
- [AD 67-29-05](https://openairdocs.org/ad/67-29-05.md): Rotary Wing Hub Hinge Pins · Effective Oct 30, 1967
- [AD 66-19-04](https://openairdocs.org/ad/66-19-04.md): Tail Rotor Blades · Effective Aug 14, 1966
- [AD 65-08-02](https://openairdocs.org/ad/65-08-02.md): Main Rotor Blades · Effective Apr 9, 1965
- [AD 85-15-05](https://openairdocs.org/ad/85-15-05.md): Main Rotor Horn Eyebolt/Eyebolt Assembly
- [AD 79-12-10](https://openairdocs.org/ad/79-12-10.md): Tail Rotor Blades
- [AD 78-12-05](https://openairdocs.org/ad/78-12-05.md): Fixed S-61L Type Landing Gears
- [AD 75-08-15](https://openairdocs.org/ad/75-08-15.md): Baggage Doors
- [AD 2015-20-09](https://openairdocs.org/ad/2015-20-09.md): Life-limited rotating parts · Effective Nov 18, 2015 · Supersedes AD 2001-18-06, AD 2008-22-16
- [AD 2005-04-10](https://openairdocs.org/ad/2005-04-10.md): Stage 1 compressor disks · Effective Mar 29, 2005
- [AD 2004-04-06](https://openairdocs.org/ad/2004-04-06.md): Fuel flow divider assemblies · Effective Mar 9, 2004
- [AD 2001-12-07](https://openairdocs.org/ad/2001-12-07.md): Fuel Flow Divider Assemblies · Effective Jul 2, 2001
- [AD 97-21-08](https://openairdocs.org/ad/97-21-08.md): Stage 1 forward cooling plate · Effective Dec 19, 1997
- [AD 97-19-17](https://openairdocs.org/ad/97-19-17.md): Critical rotating parts · Effective Nov 28, 1997
- [AD 94-07-05](https://openairdocs.org/ad/94-07-05.md): Turbine Wheels · Effective Apr 19, 1994
- [AD 91-07-17](https://openairdocs.org/ad/91-07-17.md): Gas Generator · Effective Apr 26, 1991
- [AD 81-18-03](https://openairdocs.org/ad/81-18-03.md): Fuel Controls · Effective Sep 17, 1981
- [AD 81-02-02](https://openairdocs.org/ad/81-02-02.md): Stage One Turbine Wheels · Effective Feb 2, 1981
- [AD 78-26-08](https://openairdocs.org/ad/78-26-08.md): Lube Pump Drive Shaft · Effective Dec 19, 1978
- [AD 67-01-02](https://openairdocs.org/ad/67-01-02.md): Rotor Discs · Effective Aug 24, 1976
- [AD 76-13-02](https://openairdocs.org/ad/76-13-02.md): Oil Cooler-To-Fuel Filter Hose · Effective Jul 6, 1976
- [AD 74-25-01](https://openairdocs.org/ad/74-25-01.md): Fuel System Hose · Effective Dec 10, 1974
- [AD 69-17-03](https://openairdocs.org/ad/69-17-03.md): First and Second Stage Turbine Rotor Discs · Effective Aug 27, 1969
- [AD 64-26-02](https://openairdocs.org/ad/64-26-02.md): Starter Drive Shaft Bearing · Effective Jun 3, 1966
- [AD 2021-23-13](https://openairdocs.org/ad/2021-23-13.md): Ground Proximity System · Historical · Effective Dec 9, 2021 · Replaced by AD 2023-11-07
- [AD 2015-20-12](https://openairdocs.org/ad/2015-20-12.md): Main Rotor Gearbox · Historical · Effective Nov 24, 2015 · Replaced by AD 2026-15-17
- [AD 97-10-04](https://openairdocs.org/ad/97-10-04.md): Blade Trailing Edge Pocket Assemblies · Historical · Replaced by AD 97-19-06
- [AD 2008-22-16](https://openairdocs.org/ad/2008-22-16.md): Repetitive heavy lift (RHL) · Historical · Effective Dec 1, 2008 · Replaced by AD 2015-20-09
- [AD 2001-18-06](https://openairdocs.org/ad/2001-18-06.md): Engine Life-limited Rotating Parts · Historical · Effective Oct 18, 2001 · Replaced by AD 2015-20-09
- [AD 69-23-02](https://openairdocs.org/ad/69-23-02.md): Stage 2 Compressor Rotor Disc Shafts · Historical · Effective Oct 15, 1970 · Replaced by AD 2001-18-06
- [AD 79-23-04](https://openairdocs.org/ad/79-23-04.md): Turboshaft Engines Rotating Components · Historical · Replaced by AD 2001-18-06

## 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 = '8142104'
    UNION ALL SELECT ad_id, 2, 'engine' FROM 'https://openairdocs.org/data/latest/faa_engine_model_directive.parquet' WHERE engine_model_code = '30128')
  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/N762HT/ads

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.