The U.S. aircraft register, updated daily
Approved modifications · supplemental type certificate · current · amended

SA210RM

Fabrication and installation of a static line anchor cable. Held by Usda Forest Service, which holds 29 approved modifications in all. Last revised February 9, 1981. System: other and general.

What it applies to

Kind of product
Aircraft
Design holder
Bombardier-Rotax GmbH; Bombardier-Rotax GmbH; Bombardier-Rotax GmbH
Models
DHC-6-300, DHC-6-100, DHC-6-200
Type certificates
A9EA, A9EA, A9EA
On this site
Dehavilland DHC-6 115 registered
The FAA's record
On the FAA's site

What an approved modification is

A supplemental type certificate is the FAA's approval of a change to a certified design: a new engine or propeller, avionics, an autopilot, floats, a parachute, a larger fuel tank, an ice-protection kit. The company holding it may sell the kit and the paperwork to owners of the listed models; the modification then becomes part of that aircraft's record. The FAA's list says what was approved and for which models, not how many aircraft carry it.

Source: FAA supplemental type certificates (Dynamic Regulatory System). Register counts from the FAA register of October 7, 2026.