# TCDS ATC 42 Waco: The Waco Aircraft Company

- Type: Type certificate data sheet
- Status: Current
- Holder: The Waco Aircraft Company
- Revision: 0
- Product: Aircraft, Small Airplane
- Registered aircraft: 7, by the registry models matched to it (OpenAirDocs)
- Data sheet PDF: https://openairdocs.org/files/sha256/60/f1/60f16d3ad9e7edf666b1409c39cf90aa81e93c08bc621a3737ca9315eb5d50b3
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/F87BB2C3AB7C0625862572C0006DF2F7.0001
- Page: https://openairdocs.org/tcds/ATC%2042%20Waco

## Models (1)

As the data sheet lists them.

- DSO

## What the data sheet says

This is OCR from the scanned FAA data sheet. OCR can misread letters and numbers.

```text
MODEIS: Waco DSO, 3 POLB
I.C. NUMBER: ATC 42
Engine  Hispano A 150 hp or E 180 hp
Fuel  82 gallons
Cil  6-1/2 gallons
No. passengers  2
Baggage  15 1bs.
Standard weight  2404 1bs.
Specification basis  Approved Type Certificate No. 42
Serial numbers  1 to 3211 eligible. Approval expired 7/1/32.
```

## ADs

None name its models.

## Registered aircraft by registry model (OpenAirDocs)

- [Waco DSO](https://openairdocs.org/model/waco-dso): 7 aircraft (registry code 9601208)

## STCs approved under this data sheet (10)

- [STC SA04652CH](https://openairdocs.org/stc/SA04652CH): To allow use of 100R grade aviation fuel meeting Swift Fuel, LLC specification. Swift Fuels LLC
- [STC SA01406NY](https://openairdocs.org/stc/SA01406NY): Installation of Airwolf remote mounted engine oil filter kit AFC-K017 on single and multi-engine fixed light aircraft and
rotary wing. Airwolf Filter Corporation
- [STC SA2693NM](https://openairdocs.org/stc/SA2693NM): Installation of Electronics International digital volt/amp gauges and accessories.. Electronics International Inc.
- [STC SA02033AT](https://openairdocs.org/stc/SA02033AT): Modification to install an air-oil separator to prevent oil from being aspirated from the engine breather line.. M-20 Oil Separators LLC
- [STC SA2687NM](https://openairdocs.org/stc/SA2687NM): Installation of Truboplus/ Electronics Int'l gauges and switches.. Aero Manufacturing Inc.
- [STC SA1626NM PAGE 2](https://openairdocs.org/stc/SA1626NM%20PAGE%202): Installation of Electronics Int'l Digital EGT/CHT Instruments and accessories. (201 Series). Electronics International
- [STC SA2350NM PAGE 2](https://openairdocs.org/stc/SA2350NM%20PAGE%202): Installation of Electronics International Inc digital carburetor/outside air temperature gauges. Electronics International
- [STC SA4302NM](https://openairdocs.org/stc/SA4302NM): Installation of Electronics Int'l digital automatic engine analyzer.. Electronics International
- [STC SA2190NM PAGE 2](https://openairdocs.org/stc/SA2190NM%20PAGE%202): Installation of electronics International Digital Volt/Amp Gauges and Accessories.. Electronics International
- [STC SA2350NM](https://openairdocs.org/stc/SA2350NM) (historical): Installation of Electronics International Inc digital carburetor/outside air temperature gauges listed on the attached continuation sheet and the associated accessories.. Electronics International

## PMA parts (OpenAirDocs) (2)

Current parts manufacturer approvals (PMA): parts the FAA has approved companies to make as replacements or modifications. Each record lists its models as free text; OpenAirDocs matched them to this data sheet's models, so check the FAA record before relying on it. Newest first.

- [S1069](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID168403148420260806152343.0001): 100R Fuel Placard. Swift Fuels, LLC · PMA PQ04423CE · Modification part · For DSO · Jul 20, 2026
- [73-CFG-R](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID112449546820260806152436.0001): Fuel Quantity Indication Placard. Swift Fuels, LLC · PMA PQ04423CE · Modification part · For DSO · Jul 20, 2026

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