74-14-05 BEECH: Amendment 39-1892. Applies to those Model B-19 (Serial Numbers MB-481 through MB-634 and MB-649) and those Model C-23 (Serial Numbers M-1285 through M-1493, except M-1437 and M-1491) 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, unless already accomplished per AD 73-14-8, Amendment 39-1683, remove all placards pertaining to intentional spins and acrobatic flight and install in place thereof a placard to be conspicuously located 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 S in accordance with instructions contained therein, or any equivalent method approved by the Chief, Engineering and Manufacturing Branch, Federal Aviation Administration, Central Region. Upon installation of said Kit, requirements of Paragraphs A) and B) of this AD are no longer applicable.
This AD supersedes AD 73-14-8, Amendment 39-1683.
This amendment becomes effective July 10, 1974.