STC SA499NW

Supplemental type certificate · Seaplane Flying Inc

Holder
Seaplane Flying Inc · United States
Status
Current · Issued
Status date
August 29, 1977
Applied
April 8, 1977
Product
Aircraft · Small Airplane
Certification basis
Part 21

From FAA DRS, with our copy of the certificate PDF. DRS record last changed December 6, 2025.

What it approves

Installation of Robertson leading edge cuff, Robertson fence, and Cessna wing flap fillers

What the certificate says

From the PDF’s text layer, without the form’s printed wording. Layout and order may differ; the PDF is the record.

This certificate is a scan without a text layerOpen the PDF to read it.

ADs that name this STC · 0

An AD can apply because an STC is installed, or mention one in its text.

No AD in this release names this STC

Approved models · 15

MakeModelData sheet
Cessna Aircraft Company170BA-799
Cessna Aircraft Company1723A12
Cessna Aircraft Company172A3A12
Cessna Aircraft Company172B3A12
Cessna Aircraft Company172C3A12
Cessna Aircraft Company172D3A12
Cessna Aircraft Company172E3A12
Cessna Aircraft Company172F (USAF T-41A)3A12
Cessna Aircraft Company172G3A12
Cessna Aircraft Company172H (USAF T-41A)3A12
Cessna Aircraft Company172I3A12
Cessna Aircraft Company172K3A12
Cessna Aircraft Company172L3A12
Cessna Aircraft Company1753A17
Cessna Aircraft Company175A3A17