AD 2020-26-10
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Leonardo | S.p.a. | Airworthiness Directives; Leonardo S.p.a. Helicopters |
Unsafe Condition
certain fuel control units (FCUs) may not have been calibrated to specification during overhaul, which can lead to N1 fluctuations, hung engine starts, and the inability to recover power during autorotation training, possibly resulting in reduced control of the helicopter.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
revising the existing Rotorcraft Flight Manual (RFM) for your helicopter and installing a placard to prohibit intentional entry into autorotation, replacing an affected fuel control unit (FCU) as an optional terminating action for the RFM revision and placard installation.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Before further flight involving intentional autorotation, or within 30 days after the effective date of this AD, whichever occurs first.
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Affected Aircraft
all Leonardo S.p.a. Model A119 and AW119 MKII helicopters, certificated in any category.
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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