# Airworthiness directives: TCDS H-1 A list on [TCDS H-1](https://openairdocs.org/tcds/H-1.md). ADs whose products are models on this data sheet, matched by model and maker. Those in force first, newest first. Page 1 of 3 · 111 ADs - [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 2009-12-01](https://openairdocs.org/ad/2009-12-01.md): Main rotor blade box beam clip (clip) · Effective Jun 29, 2009 - [AD 2005-21-04](https://openairdocs.org/ad/2005-21-04.md): Weld assembly scissors bracket · Effective Nov 21, 2005 - [AD 2001-17-17](https://openairdocs.org/ad/2001-17-17.md): Main Rotor Blade Grip Threads · Effective Oct 3, 2001 · Supersedes AD 2000-18-51 - [AD 98-07-09](https://openairdocs.org/ad/98-07-09.md): Stabilizer Bar Damper Link Assembly · Effective May 6, 1998 - [AD 96-06-12](https://openairdocs.org/ad/96-06-12.md): Inspect Tail Rotor Blade & Abrasion Strip · Effective May 29, 1996 - [AD 91-20-10](https://openairdocs.org/ad/91-20-10.md): Main Rotor Grip · Effective Nov 14, 1991 - [AD 85-15-04](https://openairdocs.org/ad/85-15-04.md): Tail Rotor Blade Yolk P/N 74-641-057-9 · Effective Jan 8, 1986 - [AD 85-08-03](https://openairdocs.org/ad/85-08-03.md): Tail Rotor Blade Assemblies · Effective Apr 29, 1985 - [AD 81-17-01](https://openairdocs.org/ad/81-17-01.md): Starting Vibrator Assemblies · Effective Aug 13, 1981 - [AD 80-10-04 R1](https://openairdocs.org/ad/80-10-04-R1.md): Tail Rotor Blades · Effective Feb 28, 1981 - [AD 81-04-03](https://openairdocs.org/ad/81-04-03.md): Tail Rotor Drive Assembly · Effective Feb 2, 1981 - [AD 80-21-09 R1](https://openairdocs.org/ad/80-21-09-R1.md): Tail Rotor Pitch Link · Effective Nov 24, 1980 - [AD 80-23-02](https://openairdocs.org/ad/80-23-02.md): Turbine Power Conversions · Effective Nov 20, 1980 - [AD 79-23-07](https://openairdocs.org/ad/79-23-07.md): Soloy Conversion per STC SH657NW · Effective Nov 26, 1979 - [AD 78-03-01](https://openairdocs.org/ad/78-03-01.md): Hopper Support Bracket (STC SH357SW) · Effective Mar 6, 1978 - [AD 77-21-01](https://openairdocs.org/ad/77-21-01.md): Tail Rotor Gear Boxes · Effective Nov 14, 1977 - [AD 70-10-08](https://openairdocs.org/ad/70-10-08.md): Tail Rotor Grips · Effective Jul 20, 1976 - [AD 76-12-01](https://openairdocs.org/ad/76-12-01.md): Tail Rotor Hub Bolt · Effective Jul 14, 1976 - [AD 76-12-02](https://openairdocs.org/ad/76-12-02.md): Tail Rotor Yoke · Effective Jul 14, 1976 - [AD 75-18-06](https://openairdocs.org/ad/75-18-06.md): Tail Rotor Pitch Control · Effective Sep 19, 1975 - [AD 74-08-02](https://openairdocs.org/ad/74-08-02.md): Mast Control Stabilizer Bar Assembly · Effective Jun 14, 1974 - [AD 74-07-01](https://openairdocs.org/ad/74-07-01.md): Main Rotor Control Tube Assembly · Effective May 30, 1974 - [AD 73-19-04](https://openairdocs.org/ad/73-19-04.md): Main Rotor Blade Grip · Effective Oct 10, 1973 - [AD 72-02-05](https://openairdocs.org/ad/72-02-05.md): Control Rod Assembly · Effective Feb 22, 1972 - [AD 70-08-02](https://openairdocs.org/ad/70-08-02.md): Tail Rotor Drive Shaft · Effective Jan 1, 1971 - [AD 70-14-01](https://openairdocs.org/ad/70-14-01.md): Tail Rotor Pitch · Effective Aug 17, 1970 - [AD 70-14-02](https://openairdocs.org/ad/70-14-02.md): Tail Rotor Hub Assembly Bolt · Effective Aug 10, 1970 - [AD 70-11-04](https://openairdocs.org/ad/70-11-04.md): Wood Main Rotor Blades · Effective Jun 26, 1970 - [AD 65-04-01](https://openairdocs.org/ad/65-04-01.md): Freewheeling Clutch · Effective Feb 17, 1965 - [AD 62-27-02](https://openairdocs.org/ad/62-27-02.md): Wood Tail Rotor Blades · Effective Jan 29, 1963 - [AD 62-23-02](https://openairdocs.org/ad/62-23-02.md): Main Rotor Mast Thrust Bearing · Effective Oct 29, 1962 - [AD 61-22-01](https://openairdocs.org/ad/61-22-01.md): Pitch Link Rod End Bearing · Effective Nov 7, 1961 - [AD 60-10-01](https://openairdocs.org/ad/60-10-01.md): Scissor Lever Bolts · Published May 10, 1960 - [AD 47-32-01](https://openairdocs.org/ad/47-32-01.md): Stabilizer Damper Clamp - [AD 47-32-02](https://openairdocs.org/ad/47-32-02.md): Ballast Installation - [AD 47-32-03](https://openairdocs.org/ad/47-32-03.md): Tail Rotor Control Pedal - [AD 47-32-04](https://openairdocs.org/ad/47-32-04.md): Antitorque Rotor Blades Placard - [AD 47-32-05](https://openairdocs.org/ad/47-32-05.md): Main Rotor Mast Spinner - [AD 47-32-06](https://openairdocs.org/ad/47-32-06.md): Rotor Hub Pillow Blocks - [AD 47-32-07](https://openairdocs.org/ad/47-32-07.md): Manifold Pipe Chafing - [AD 47-32-08](https://openairdocs.org/ad/47-32-08.md): Stabilizer Bar Dampers - [AD 47-32-09](https://openairdocs.org/ad/47-32-09.md): Horizontal Stabilizer - [AD 47-32-10](https://openairdocs.org/ad/47-32-10.md): Rotor Mast Assembly Replacement - [AD 47-32-11](https://openairdocs.org/ad/47-32-11.md): Antenna Mast Support - [AD 47-32-12](https://openairdocs.org/ad/47-32-12.md): Control Disc Links - [AD 47-32-13](https://openairdocs.org/ad/47-32-13.md): Tail Rotor Rivet Replacement - [AD 47-32-14](https://openairdocs.org/ad/47-32-14.md): Engine Mount Clamps - [AD 47-41-02](https://openairdocs.org/ad/47-41-02.md): Oil Line Supports - [AD 47-41-03](https://openairdocs.org/ad/47-41-03.md): Fuel Line Replacement Next page: https://openairdocs.org/tcds/H-1/ads.md?page=2 ## 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 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_directive_product.parquet' WHERE tcds_number = 'H-1') ORDER BY d.status = 'Historical', coalesce(d.effective_date, d.publication_date) DESC ``` This list as a web page: https://openairdocs.org/tcds/H-1/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.