FAA · Supplemental Type Certificate
STC SR00631DE-D
Installation of an AKV, Inc. Dual Engine Cycle Counter
What is an STC?
A Supplemental Type Certificate authorizes a major modification or alteration to an FAA-certificated aircraft. STCs are how operators legally install new avionics, change fuel systems, add floats, swap engines, etc. — every change beyond a minor modification needs one.
Applicable aircraft (10)
- H13EU Eurocopter Deutschland GmbH · MBB-BK 117 A-1
- H13EU Eurocopter Deutschland GmbH · MBB-BK 117 A-3
- H13EU Eurocopter Deutschland GmbH · MBB-BK 117 A-4
- H13EU Eurocopter Deutschland GmbH · MBB-BK 117 B-1
- H13EU Eurocopter Deutschland GmbH · MBB-BK 117 B-2
- H13EU Eurocopter Deutschland GmbH · MBB-BK 117 C-1
- H13EU Eurocopter Deutschland GmbH · MBB-BK 117 C-2
- H4EU Eurocopter France · AS332C
- H4EU Eurocopter France · AS332L
- H4EU Eurocopter France · AS332L1
Specific sections
- Sec. 111
- Sec. 113
- Sec. 115
- Sec. 117
- Sec. 119
- Sec. 120
The STC PDF on drs.faa.gov is the authoritative document — it lists installation instructions, ICA requirements, and any limitations. Open PDF ↗