ST02599LA
Installation of Oxygen Aneroid Switch P/N 44A3-4 for aircraft to be used for high altitude airports. Held by Aerosys INC, which holds 2 approved modifications in all. Last revised August 25, 2016. System: emergency equipment.
What it applies to
- Kind of product
- Aircraft
- Design holder
- The Boeing Company
- Models
- MD-10-30F
- Type certificate
- A22WE
- On this site
- Mcdonnell Douglas MD-10 15 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 20, 2026.