AD NUMBER: 2007-11-19
SUBJECT: Airworthiness Directive 2007-11-19
SUMMARY: We are adopting a new airworthiness directive
(AD) for the products listed above.
This AD results from mandatory continuing airworthiness
information (MCAI) issued by the aviation authority of another
country to identify and correct an unsafe condition on an aviation
The MCAI describes the unsafe condition as: Installation of
G-load monitoring units on some Zlin Z 42 series airplanes has
revealed that certain aircraft during aerobatic manoeuvres exceeded
the limit loads initially defined for the certification.
As a consequence to restore the safety margins on aircraft
operated in Utility ("U") category; this Airworthiness Directive
(AD) mandates a modification of the Airplane Flight Manual (AFM) so
as to limit the permissible manoeuvres in "U" category flights.
This AD requires actions that are intended to address the unsafe
condition described in the MCAI.