# Airworthiness directives that may apply: N855TC

A list on [N855TC](https://openairdocs.org/aircraft/N855TC.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 2023-11-07](https://openairdocs.org/ad/2023-11-07.md): Ground Proximity System · Effective Jun 22, 2023 · Supersedes AD 2021-23-13
- [AD 66-04-03](https://openairdocs.org/ad/66-04-03.md): Main Rotor Blades · Effective Apr 27, 1976
- [AD 75-22-12](https://openairdocs.org/ad/75-22-12.md): Inflight Power Loss · Effective Oct 31, 1975
- [AD 75-04-02](https://openairdocs.org/ad/75-04-02.md): Main Rotor Spindles · Effective Feb 19, 1975
- [AD 73-16-01](https://openairdocs.org/ad/73-16-01.md): Engine Turbine Failure · Effective Jul 31, 1973
- [AD 70-12-04](https://openairdocs.org/ad/70-12-04.md): Main Rotor Shaft Cracks · Effective Jun 17, 1970
- [AD 67-29-07](https://openairdocs.org/ad/67-29-07.md): Azimuth Control Rod Assembly · Effective Nov 3, 1967
- [AD 67-17-06](https://openairdocs.org/ad/67-17-06.md): Pylon Lower Ring · Effective May 21, 1967
- [AD 65-08-02](https://openairdocs.org/ad/65-08-02.md): Main Rotor Blades · Effective Apr 9, 1965
- [AD 63-05-02](https://openairdocs.org/ad/63-05-02.md): Main Rotor Blades · Effective Mar 6, 1963
- [AD 60-13-04](https://openairdocs.org/ad/60-13-04.md): Rotor Shank Rod
- [AD 56-23-03](https://openairdocs.org/ad/56-23-03.md): Horizontal Hinge Pin Assembly
- [AD 56-16-03](https://openairdocs.org/ad/56-16-03.md): Main Rotor Blade Inspection
- [AD 55-25-04](https://openairdocs.org/ad/55-25-04.md): Tail Cone Skin Reinforcements
- [AD 54-20-02](https://openairdocs.org/ad/54-20-02.md): Support Assembly Cracks
- [AD 54-19-02](https://openairdocs.org/ad/54-19-02.md): Servo Safety Clip
- [AD 54-16-01](https://openairdocs.org/ad/54-16-01.md): Main Transmission
- [AD 54-13-01](https://openairdocs.org/ad/54-13-01.md): Star Assembly Bolt Replacement
- [AD 54-01-03](https://openairdocs.org/ad/54-01-03.md): Fuel Strainer Screen
- [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

## 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 = '8141603'
    UNION ALL SELECT ad_id, 2, 'engine' FROM 'https://openairdocs.org/data/latest/faa_engine_model_directive.parquet' WHERE engine_model_code = '67134')
  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/N855TC/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.