AD 91-22-06

final rule
Data completeness: 70%

Airworthiness Directives; PARTENAVIA P-68 Series (not applicable to AP-68TP Series) airplanes (serial numbers 1 through 327), certificated in any category.

AD Number
91-22-06
Status
final_rule
Effective Date
Product Category
aircraft
Docket
91-CE-75-AD
FR Citation
This information is not available.

Applicability

TypeManufacturerModelDetails
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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