# TCDS ATC 21 Swallow: Swallow Airplane Company

- Type: Type certificate data sheet
- Status: Current
- Holder: Swallow Airplane 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/sha256/67/dd/67ddabd76d266a5c52a74e138c8baa93e01a930489bcc4e9299a70207415cdc6
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/0D11060978DF4F7E862572C0006DB16E.0001
- Page: https://openairdocs.org/tcds/ATC%2021%20Swallow

## Models (1)

As the data sheet lists them.

- Swallow

## What the data sheet says

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

```text
SWALLOW AIRPLANE COMPANY
MODEIS:  Swallow, 3 POLB
I.C. NUMBER:  ATC 21
Engine  Curtiss 0X6 90 hp or 0Xx6 102 hp
Fuel  42 gallons
Cil  3-1/2 gallons
No. passengers
Baggage
Standard weight  2200 1bs.
Specification basis  approved Type Certificate No. 21
Serial numbers  A11 to 1028  eligible. Approval expired 2/22/29.
NOTE 1.  irworthiness certificate must include the following unless it ha
een satisfactorily demonstrated to an inspector of Civil Aeronautic
that such notation is unnecessary:  "INTENTIONAL ACROBATICS PROHIBITED."
```

## ADs

None name its models.

## Registered aircraft by registry model (OpenAirDocs)

- [Swallow SWALLOW](https://openairdocs.org/model/swallow-swallow): 7 aircraft (registry code 8760102)

## STCs approved under this data sheet (1)

- [STC SA04652CH](https://openairdocs.org/stc/SA04652CH): To allow use of 100R grade aviation fuel meeting Swift Fuel, LLC specification. Swift Fuels LLC

## PMA parts (OpenAirDocs) (3)

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/DRSDOCID178530311320260806152341.0001): 100R Fuel Placard. Swift Fuels, LLC · PMA PQ04423CE · Modification part · For Swallow · Jul 20, 2026
- [73-CFG-R](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID126282888320260806152433.0001): Fuel Quantity Indication Placard. Swift Fuels, LLC · PMA PQ04423CE · Modification part · For Swallow · Jul 20, 2026
- [V674UL94](https://drs.faa.gov/browse/excelExternalWindow/E1C1EF6CEE5DC2EE862585990051C803.0001): UL94 Fuel Placard. Swift Fuels, LLC · PMA PQ04423CE · Modification part · For Swallow · Jun 7, 2020

---
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.