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Special conditions

Special Condition; Eurocopter Deutschland Model BK-117 C-1 Helicopter, Power Turbine Electronic Overspeed Protection System

Special conditions are rules the FAA writes for one design when the standard certification rules do not cover something new about it. These were published October 20, 1992 for Eurocopter Deutschland. System: engine.

What it applies to

Applicant
Eurocopter Deutschland
Makes
Eurocopter
Models
—
Published
October 20, 1992
Effective
October 20, 1992
The FAA's document
On the FAA's site

The FAA's summary their words, unchanged

This special condition is issued for the Eurocopter Deutschland Model BK-117 C-1 helicopter. This helicopter will have a novel or unusual design feature associated with the Turbomeca Arriel 1E engines, which will have a power turbine electronic overspeed protection system. This special condition contains additional safety standards that the Administrator considers necessary to establish a level of safety equivalent to that provided by the applicable airworthiness standards.

Source: FAA special conditions (final) from the Dynamic Regulatory System; the Federal Register carries the same notices.