# STCs that may be installed: N503PD

A list on [N503PD](https://openairdocs.org/aircraft/N503PD.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 SR03173CH](https://openairdocs.org/stc/SR03173CH.md): Installation of Isolair Innovator 11 Model 3900-280 Spray System · Isolair Inc.
- [STC SR00063DE](https://openairdocs.org/stc/SR00063DE.md): Installation of Inframetrics IRTV-445G infrared imaging system. · Dart Aerospace Company
- [STC SR02120SE](https://openairdocs.org/stc/SR02120SE.md): Installation of Garmin GTN 6XX/7XX Navigation System · Garmin International Inc.
- [STC SH492NW](https://openairdocs.org/stc/SH492NW.md): Installation of cargo racks Model 100 (rectangular) or Model 101(tapered) on each side · The ENSTROM Helicopter Corporation
- [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 SR02704SE](https://openairdocs.org/stc/SR02704SE.md): Installation and maintenance of the Sunspot 36 and 46 series lights · AeroLED's Holdings LLC
- [STC SA02268CH](https://openairdocs.org/stc/SA02268CH.md): Installation of Airwolf Filter Corp. Air Oil Separator · Airwolf Filter Corporation
- [STC SR00359BO](https://openairdocs.org/stc/SR00359BO.md): Installation of Parmetheus Plus LED PAR36 and PAR46 taxi and landing lights. · Whelen Aerospace Technologies
- [STC SR00568NY](https://openairdocs.org/stc/SR00568NY.md): Installation of remote mounted oil filter, model AFC-500 or AFC-600, and kit AFC-K014. · Airwolf Filter Corporation
- [STC SA2586NM](https://openairdocs.org/stc/SA2586NM.md): Installation of J.P. Instruments temperature monitoring systems. · J P Instruments
- [STC SR02487AK](https://openairdocs.org/stc/SR02487AK.md): Installation of L-3 Communications Avionics Systems ESI-500 Standby Instrument System · ADS-B Technologies, LLC
- [STC SR03465CH](https://openairdocs.org/stc/SR03465CH.md): Install Airwolf Aerospace, LLC Tension-Torsion Strap Assemblies, P/N AA-ECD-084-280, or AA-ECD-084-480 · Airwolf Aerospace LLC
- [STC SR02394AK](https://openairdocs.org/stc/SR02394AK.md): Replacement of existing landing and/or hover light bulbs with Light Emitting Diode (LED) lighting system · Seaplanes North LLC
- [STC SH4061NM](https://openairdocs.org/stc/SH4061NM.md): Installation of Pneumatic Door Actuators · Air Comm Corporation
- [STC SR03353CH](https://openairdocs.org/stc/SR03353CH.md): Installation of Aspen Avionics Evolution Primary and Multi-Functional Flight Displays · AspenSTC Inc
- [STC SR02232LA](https://openairdocs.org/stc/SR02232LA.md): Installation of Garmin Model 400W / 500W Series GPS-WAAS Navigation System · Garmin AT Inc.
- [STC SA00068SE](https://openairdocs.org/stc/SA00068SE.md): Installation of fuel flow/pressure instruments. (W/TSIO-360-MB1) · Electronics International Inc.
- [STC SA2693NM](https://openairdocs.org/stc/SA2693NM.md): Installation of Electronics International digital volt/amp gauges and accessories. · Electronics International Inc.
- [STC SA4172NM](https://openairdocs.org/stc/SA4172NM.md): Installation of Aviation Development oil filter. · Aviation Development Corporation
- [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 SA00680SE](https://openairdocs.org/stc/SA00680SE.md): Installation of Electronics International model UBG-16 or UBG-16T bar graph engine analyzer. · Electronics International
- [STC SR01430LA](https://openairdocs.org/stc/SR01430LA.md): Installation of Stainless Steel Skid shoes. · Papas Gary Los Angeles Laboratories Inc.
- [STC SA02520AT](https://openairdocs.org/stc/SA02520AT.md): Installation of M-20 Oil Separator, model 600-WP. · M-20 Oil Separators LLC
- [STC SA2687NM](https://openairdocs.org/stc/SA2687NM.md): Installation of Truboplus/ Electronics Int'l gauges and switches. · Aero Manufacturing Inc.
- [STC SA00061LA](https://openairdocs.org/stc/SA00061LA.md): Installation of JPI digital tachometer. · J P Instruments
- [STC SA00238SE](https://openairdocs.org/stc/SA00238SE.md): Installation of Aviation Development Corporation's sump mounted chip detector · Aviation Development Corporation
- [STC SR00179DE](https://openairdocs.org/stc/SR00179DE.md): Installation of Oilamatic preoiler system. · Oilamatic Inc
- [STC SR00757AT](https://openairdocs.org/stc/SR00757AT.md): Installation of Inframetrics Model IRTV 445G thermal imager. · Palmetto Helicopters, Inc
- [STC SR00382AT](https://openairdocs.org/stc/SR00382AT.md): Installation of FLIR 2000 series thermal imager. · Palmetto Helicopters, Inc
- [STC SR00255AT](https://openairdocs.org/stc/SR00255AT.md): Installation of Spectrolab SX-5 searchlight. · Palmetto Helicopters, Inc
- [STC SA1626NM PAGE 1](https://openairdocs.org/stc/SA1626NM%20PAGE%201.md): Installation of Electronics Int'l Digital EGT/CHT Instruments and accessories. (201 Series) · Electronics International
- [STC SA2350NM PAGE 1](https://openairdocs.org/stc/SA2350NM%20PAGE%201.md): Installation of Electronics International Inc digital carburetor/outside air temperature gauges · Electronics International
- [STC SA4302NM](https://openairdocs.org/stc/SA4302NM.md): Installation of Electronics Int'l digital automatic engine analyzer. · Electronics International
- [STC SA3862NM PAGE 1](https://openairdocs.org/stc/SA3862NM%20PAGE%201.md): Installation of Electronics International Primary TIT/EGT/CHT instruments, remote switches and associated accessories. · Electronics International
- [STC SA2867NM](https://openairdocs.org/stc/SA2867NM.md): Installation of Turboplus/ Electronics Int'l digital temperature gauges. · Turboplus, Inc · Lists F-28 Series
- [STC SA2190NM PAGE 1](https://openairdocs.org/stc/SA2190NM%20PAGE%201.md): Installation of electronics International Digital Volt/Amp Gauges and Accessories. · Electronics International
- [STC SH4803SW](https://openairdocs.org/stc/SH4803SW.md): Install electroformed nickel leading edge protective strip on main rotor blade. · Composite Technics, Inc · Lists F-28 Series
- [STC SH591GL](https://openairdocs.org/stc/SH591GL.md): Install structural provisions for cabinmounted electronic news gathering equipment (TV monitor/ receiver, audio/video switching, AM headset control box, UHF FM control head, associated switches and circuit breakers) not to exceed 30 lbs., baggage-box- mounted UHF/VHF transmitters/receivers not to exceed 20 lbs., and wiring harness. · Airborne Microwave, Inc
- [STC SH592GL](https://openairdocs.org/stc/SH592GL.md): Install Tayburn Electronics microwave antennae, microwave transmitter, and microwave receiver to landing gear skid. · Airborne Microwave, Inc
- [STC SA2350NM](https://openairdocs.org/stc/SA2350NM.md): Installation of Electronics International Inc digital carburetor/outside air temperature gauges listed on the attached continuation sheet and the associated accessories. · Electronics International

## 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 = '3300412')
  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/N503PD/stcs

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