AD 98-04-32
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Lockheed Aircraft Corporation | 14-H | Airworthiness Directives; Lockheed Model L-14 and L-18 Series Airplanes |
| aircraft | Lockheed Aircraft Corporation | 14-H2 | Airworthiness Directives; Lockheed Model L-14 and L-18 Series Airplanes |
| aircraft | Lockheed Aircraft Corporation | 14-N | Airworthiness Directives; Lockheed Model L-14 and L-18 Series Airplanes |
| aircraft | Lockheed Aircraft Corporation | 14-N2 | Airworthiness Directives; Lockheed Model L-14 and L-18 Series Airplanes |
| aircraft | Lockheed Aircraft Corporation | 14-N3 | Airworthiness Directives; Lockheed Model L-14 and L-18 Series Airplanes |
| aircraft | Lockheed Aircraft Corporation | 18 | Airworthiness Directives; Lockheed Model L-14 and L-18 Series Airplanes |
Unsafe Condition
The unsafe condition is the lack of adequate procedures and limitations in the Airplane Flight Manual (AFM) to recognize and exit severe icing conditions, increasing the risk of operating in icing conditions outside the certification envelope.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Revise the AFM to include visual cues for identifying icing conditions beyond certification, procedures to exit those conditions, and restrictions on flight control usage in severe icing.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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