# STC SA270CH

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Wipaire Inc, United States
- Description: Installation of vortex generators
- Applied: September 20, 1993
- Status date: July 19, 2016
- Product: Aircraft, Small Airplane
- Certification basis: Part 21, Part 23
- Data sheets: [TCDS A37CE](https://openairdocs.org/tcds/A37CE)
- Certificate PDF: https://openairdocs.org/files/sha256/b4/bb/b4bbb66ce385ff2d1d5617168851d51ab1ae0b691fb6fb16f386285eed5f61fd
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/70EA086878BE819386257FF7006A553E.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA270CH

## ADs that name it (0)

None.

## Approved models (1)

- Cessna Aircraft Company 208 ([TCDS A37CE](https://openairdocs.org/tcds/A37CE))

## What the certificate says

Read from the PDF's text layer, without the form's printed wording; the layout is lost and the order can differ. The PDF is the record.

Part 23 of the Federal Aviation Regulations. (See Type Certificate Data Sheet No. A37CE for complete certification basis)

1. Installation of vortex generators in accordance with Wipaire Drawing No. 6B1-2025, No Revision, dated June 20, 1994 or a later FAA Approved revision.

2. Optional installation of Pratt & Whitney PT6A-114A engine in accordance with STC SA149CH (675 SHP).

3. Optional installation of Pratt & Whitney PT6A-42A engine in accordance with STC SA02467LA (850 SHP).

4. Optional installation of Pratt & Whitney PT6A-140 engine in accordance with STC SA02546LA (867 SHP).

1. Aircraft incorporating this STC are authorized a maximum takeoff gross weight of 8360 lbs.

2. AIRSPEED LIMITS: VA (Maneuvering) at 8360 lbs. = 153 KIAS

3. MAXIMUM WEIGHT: 8360 lbs. Takeoff and flight 7800 lbs. Landing 8395 lbs. Ramp

Wipaire Inc.

1700 Henry Avenue - Fleming Field South St. Paul,, MN 55075 A37CE Make : Cessna Model : 208 Date of application : September 20, 1993

Date of issuance : December 15, 1994

Date amended : October 19, 1995; September 15, 1999;

May 7, 2014; July 19, 2016

(Signature) Karol Mordasiewicz Manager, Airframe & AdministrativeBranch Chicago Aircraft Certification Office

(Title)

Original signed by:

Gregory J. Michalik

FAA FORM 8110-2-1(10-69) PAGE 2 of 3 PAGES

Number

FAA FORM 8110-2-1(10-69) PAGE 3 of 3 PAGES

Number SA270CH Date of Issuance: December 20, 1993 Date Amended: July 19, 2016

4. Airplanes Not Incorporating STC SA02467LA (850 SHP):

C. G. RANGE: Takeoff and flight (+175.10) to (+184.35) at 8360 lbs.

(+162.41) to (+184.35) at 4200 lbs.

Landing (+173.06) to (+184.35) at 7800 lbs.

(+162.41) to (+184.35) at 4200 lbs.

Straight line variation between points given

5. Airplanes Incorporating STC SA02467LA (850 SHP):

C. G. RANGE: Takeoff and flight (+175.68) to (+184.35) at 8360 lbs.

(+174.06) to (+184.35) at 8000 lbs.

(+162.41) to (+184.35) at 4200 lbs.

Landing (+173.06) to (+184.35) at 7800 lbs.

(+162.41) to (+184.35) at 4200 lbs.

Straight line variation between points given

6. Pilot’s Operating Handbook Supplements (POHS): FAA approved POHS as originally issued, or later FAA Approved revisions, are required as follows:

Engine Power Configuration POHS No. Approval Date 600 SHP 675 SHP 850 SHP 867 SHP Landplane Landplane Landplane Landplane 11 8 9 10 10-19-1995 04-02-1998 04-24-2014 07-18-2016

7. The installer must determine whether this design change is compatible with previously approved modifications.

8. If the holder agrees to permit another person to use this certificate to alter a product, the holder must give the other person written evidence of that permission.

-END-

## Every issue (2)

- July 19, 2016: Amended, Current. [certificate](https://openairdocs.org/files/sha256/b4/bb/b4bbb66ce385ff2d1d5617168851d51ab1ae0b691fb6fb16f386285eed5f61fd)
- May 7, 2014: Amended, Historical. [certificate](https://openairdocs.org/files/sha256/c1/b7/c1b705f4b82d7c18cbbf04556ad362e4bf79b2a4d1518f9b191cedbf404288f3)

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