AD 91-22-06
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Vulcanair S.p.A. | P 68 | Airworthiness Directives; PARTENAVIA P-68 Series (not applicable to AP-68TP Series) airplanes (serial numbers 1 through 327), certificated in any category. |
| aircraft | Vulcanair S.p.A. | P 68 Observer | Airworthiness Directives; PARTENAVIA P-68 Series (not applicable to AP-68TP Series) airplanes (serial numbers 1 through 327), certificated in any category. |
| aircraft | Vulcanair S.p.A. | P 68B | Airworthiness Directives; PARTENAVIA P-68 Series (not applicable to AP-68TP Series) airplanes (serial numbers 1 through 327), certificated in any category. |
| aircraft | Vulcanair S.p.A. | P 68C | Airworthiness Directives; PARTENAVIA P-68 Series (not applicable to AP-68TP Series) airplanes (serial numbers 1 through 327), certificated in any category. |
| aircraft | Vulcanair S.p.A. | P 68C-TC | Airworthiness Directives; PARTENAVIA P-68 Series (not applicable to AP-68TP Series) airplanes (serial numbers 1 through 327), certificated in any category. |
| aircraft | Vulcanair S.p.A. | P68TC Observer | Airworthiness Directives; PARTENAVIA P-68 Series (not applicable to AP-68TP Series) airplanes (serial numbers 1 through 327), certificated in any category. |
Unsafe Condition
Horizontal stabilator failure, which could result in loss of control of the airplane.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Within 10 hours time-in-service after the effective date, change airspeed limitations in the Flight Manual to match Part A of Partenavia SB No. 85, install the Operating Limitation Placard on the instrument panel. Within 500 hours time-in-service after the effective date, install a reinforcement strip on the lower side of the horizontal tailplane per Part B of SB No. 85. After completing paragraph (b), remove the placard and restore original flight manual limitations.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within the next 10 hours time-in-service (TIS) after the effective date of this AD, and within the next 500 hours TIS after the effective date.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Vulcanair S.p.A. P-68 Series (not AP-68TP Series) airplanes, serial numbers 1 through 327, 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 8, 2026
Rights: U.S. Government Public Domain
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