AD 2011-21-11
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Eurocopter | France (Eurocopter) Model EC225LP | Airworthiness Directives; Eurocopter France (Eurocopter) Model EC225LP Helicopters |
Unsafe Condition
Missing floor attachment screws, nuts, or washers under the pilot and co-pilot seats could reduce the strength of the seat attachment, potentially leading to seat detachment during an emergency landing.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect for the presence of 4 screws and 4 nuts on each side of the copilot's seat mount and 1 screw and 1 nut on each side of the pilot's seat mount. If any screw, nut, or cup washer is missing, remove the seat and mount, countersink the hole, install airworthy parts, and replace the mount and seat before further flight.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 85 hours time-in-service (TIS), unless accomplished previously.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Eurocopter Model EC225LP helicopters with an airworthiness certificate issued before December 15, 2009, equipped with FISHER H140 pilot and co-pilot seats (part number 052010032000D61091 or Eurocopter P/N 704A41120116) or Eurocopter co-pilot seat (P/N 332V08-0180-00).
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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