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

SH107EA

Installation of electric chip detectors in main transmission and intermediate and tail rotor gear boxes. Held by Mbb Helicopter CORP, which holds 2 approved modifications in all. Last revised March 6, 1985. System: rotorcraft systems.

What it applies to

Kind of product
Aircraft
Design holder
Eurocopter Deutschland GmbH; Eurocopter Deutschland GmbH
Models
BO-105C, BO-105S
Type certificates
H3EU, H3EU
On this site
Messerschmitt-Boelkow-Blohm BO-105 11 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 12, 2026.