# STCs that may be installed: N305AL

A list on [N305AL](https://openairdocs.org/aircraft/N305AL.md).

Approved for this aircraft’s airframe or engine model. The registry doesn’t record which STCs an aircraft has; its records do. In force first, then newest.

- [STC SH3319NM](https://openairdocs.org/stc/SH3319NM.md): Installation of Precise Flight Pulselite Control Unit in the Landing /Taxi Recognition Visual Control Light system, · Precise Flight Inc
- [STC SA11137SC](https://openairdocs.org/stc/SA11137SC.md): Installation of Plane-Power ALT-FLX alternator · Hartzell Engine Technologies, LLC
- [STC SA02033AT](https://openairdocs.org/stc/SA02033AT.md): Modification to install an air-oil separator to prevent oil from being aspirated from the engine breather line. · M-20 Oil Separators LLC
- [STC SA02520AT](https://openairdocs.org/stc/SA02520AT.md): Installation of M-20 Oil Separator, model 600-WP. · M-20 Oil Separators LLC
- [STC SA2386SW](https://openairdocs.org/stc/SA2386SW.md): Installation of S.A.F.E., EGT, CHT Systems. · Avicon Development Corporation
- [STC SE04651CH](https://openairdocs.org/stc/SE04651CH.md): To allow use of l00R grade aviation fuel meeting Swift Fuel, LLC specification SPEC-l00R-22 · Swift Fuels LLC · Lists VO-540-B1A
- [STC SE2932SW](https://openairdocs.org/stc/SE2932SW.md): Install carburetor air temperature indicator. Approved for Aircooled Motors (Franklin Engine Co.) equipped with float carburetors. Model eligibility included here may not be inclusive. · Alcor LLC
- [STC SE04349CH](https://openairdocs.org/stc/SE04349CH.md): Installation of SureFly electronic ignition · SureFly Partners Ltd. · Lists VO-540-A1A
- [STC SE01954SE](https://openairdocs.org/stc/SE01954SE.md): Installation of engine crankcase seal. · Ly-Con Rebuilding Company · Lists VO-540-A1A
- [STC SE01966WI](https://openairdocs.org/stc/SE01966WI.md): Use of GAMI G100UL High Octane Unleaded Avgas in spark ignition piston aircraft engines · General Aviation Modifications Inc. · Lists VO-540-A1A
- [STC SE8628SW](https://openairdocs.org/stc/SE8628SW.md): Installation of oil nozzles for lubrication of cam and filters. · Cygnet Aerospace Corp · Lists VO-540-A1A
- [STC SE4408SW](https://openairdocs.org/stc/SE4408SW.md): Miscellaneous engine cylinder replacement parts. · Continental Motors, Inc.
- [STC SE8776SW](https://openairdocs.org/stc/SE8776SW.md): Installation of coated cylinders and piston rings. · Continental Motors, Inc.
- [STC SE2902NM](https://openairdocs.org/stc/SE2902NM.md): Lycoming valve cover gasket · Real Gaskets Tennessee · Lists VO-540-A1A
- [STC SE7582SW](https://openairdocs.org/stc/SE7582SW.md): Grinding of high compression NITRIDED Cylinders to.010 oversize, as an alternative to chrome plating or rebarreling, and the installation of SL10207 P10 Piston, SL74241 P10 Top and second compression ring, and SL 73857 P10 oil control ring · Superior Air Parts, Inc · Lists VO-540-C1A
- [STC SE1779NM](https://openairdocs.org/stc/SE1779NM.md): Installation of Precise Flight, Inc. Standby Vacuum System SVS III · Precise Flight Inc · Lists VO-540-A1A
- [STC SE00890LA](https://openairdocs.org/stc/SE00890LA.md): Installation of Nickson's cylinder barrels on Lycoming reciprocating engine models. · Nickson's Machine Shop Inc
- [STC SE1-201](https://openairdocs.org/stc/SE1-201.md): Installation of the Richter Aero Equipment Type B-4 or B-5 Temperature Probe. (O-360 SERIES (excl. A1C, C2B, C2D)) · MidContinent Instru Co Inc · Lists VO-540-B1A
- [STC SE09492SC](https://openairdocs.org/stc/SE09492SC.md): Installation and usage of Exxon 20W50 multigrade aircraft engine oil conforming to Exxon Oil formulation WS-3013. · Exxon Company USA
- [STC SE00350SE](https://openairdocs.org/stc/SE00350SE.md): Installation of sump mounted chip detector. · Aviation Development Corporation · Lists VO-540-A1A
- [STC SE8023SW](https://openairdocs.org/stc/SE8023SW.md): Installation and usage of AEROSHELL · Shell Development Co
- [STC SE452NE](https://openairdocs.org/stc/SE452NE.md): Installation and usage of 'Mobil AV 1' aviation oil. · Mobil Research & Development Corp
- [STC SE5879SW](https://openairdocs.org/stc/SE5879SW.md): Use of Phillips X/C II 20W-50 and25W-60 oil (OSS 55875) in all Avco reciprocating aircraft engines from 65 to 450 BHP. · Phillips Petroleum Co
- [STC SE5924SW](https://openairdocs.org/stc/SE5924SW.md): Installation of stainless steel replacement exhaust studs on AVCO engines. · Perrigo & Steele Aircraft Engr Company
- [STC SE80NE](https://openairdocs.org/stc/SE80NE.md): Installation and usage of Bel-Ray synthetic aviation oil, Bel-Ray Aero 1, (nonsupercharged), horizontally opposed direct drive, aircraft engines of 350 hp. or less. · Bel-Ray Company, Inc
- [STC SE128NE](https://openairdocs.org/stc/SE128NE.md): Use of AMS/OIL 15W 50 synthetic piston aircraft oil in Avco engines. · AMS/OIL
- [STC SE44WE](https://openairdocs.org/stc/SE44WE.md): Use of Kling Aviation Oil, Specifications KL-100, KL-200 and KL-300 in Continental and Lycoming engines. · Kling Oil Company

## The whole list in SQL

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

```sql
SELECT m.matched_by, s.stc_number, s.description, s.holder, s.status, s.status_date, m.matched_model
FROM (
  SELECT stc_number, min(side) AS side, arg_min(matched_by, side) AS matched_by, arg_min(matched_model, side) AS matched_model
  FROM (SELECT stc_number, 1 AS side, 'airframe' AS matched_by, matched_model FROM 'https://openairdocs.org/data/latest/faa_aircraft_model_stc.parquet' WHERE aircraft_model_code = '1440602'
    UNION ALL SELECT stc_number, 2, 'engine', matched_model FROM 'https://openairdocs.org/data/latest/faa_engine_model_stc.parquet' WHERE engine_model_code = '41534')
  GROUP BY stc_number
) m JOIN 'https://openairdocs.org/data/latest/faa_stc.parquet' s USING (stc_number)
ORDER BY m.side, s.status = 'Current' DESC, s.status_date DESC, s.stc_number
```

This list as a web page: https://openairdocs.org/aircraft/N305AL/stcs

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