AD 74-23-09

74-23-09 BEECH: Amendment 39-2006. Applies to those Model 23 (Serial Numbers M- 1, M-2, M-4 through M-554), Model A23-19 (Serial Numbers MB-1 through MB-288), Model 19A (Serial Number MB-289 through MB-460), Model M19A (Serial Numbers MB-461 through MB-480), and Model B23 (Serial Numbers M-1095 through M-1284) airplanes which were originally approved in the Acrobatic Category and intentional spins in the Utility and Acrobatic Categories.

Compliance: Required as indicated, unless already accomplished.

To prevent inflight situations in which prompt spin recovery may not be assured, accomplish the following:

A) Effective immediately intentional spins in the Utility and Acrobatic Categories are prohibited.

B) Within the next 20 hours' time in service or ten (10) calendar days, whichever comes first, after the effective date of this AD, remove all placards pertaining to intentional spins and acrobatic flight and install in place thereof a placard to be conspicuouslylocated on the instrument panel which reads as follows:

"THIS AIRPLANE MUST BE OPERATED AS A NORMAL OR UTILITY CATEGORY AIRPLANE. INTENTIONAL SPINS ARE PROHIBITED. NO ACROBATIC MANEUVERS APPROVED EXCEPT: CHANDELLES, LAZY EIGHTS, STEEP TURNS, AND STALLS (EXCEPT WHIP STALLS)."

C) To reinstate the acrobatic category for those airplanes originally approved in the Acrobatic Category and intentional spins in Utility and Acrobatic Categories, install Beech spin improvement Kit No. 23-4007-1 or 23-4007-5 or subsequent revisions in accordance with instructions contained therein. Kit 23-4007-1 is applicable to the Models A23-19, 19A, M19A and B23 airplanes. Kit 23-4007-5 is applicable to the Model 23 serial numbers M1, M2, M4 thru M-554 airplanes. Any equivalent method must be approved by the Chief, Engineering and Manufacturing Branch, FAA, Central Region. Upon installation of the appropriate kit, the requirements of Paragraphs A and B of this AD are no longer applicable.NOTE: Kits from the manufacturer may not be available for some models until after December 15, 1974.

This amendment becomes effective November 14, 1974.