DEPARTMENT OF TRANSPORTATION

Federal Aviation Administration

14 CFR Part 39 [SN]

[Docket No.          ; Amendment 39-1472, AD 70-03-05] 

Airworthiness Directives; Beech Models H35, Equipped with Continental 0-470-G-CI engines, J35, K35, M35, N35, P35, S35, S35TC, V35, V35-TC, V35A, and V35A-TC Airplanes.

AGENCY: Federal Aviation Administration (FAA), DOT. 

ACTION: Final rule.  

DATES: Effective June 30, 1972. 

70-03-05  BEECH: 
	Amdt. 39-935 as amended by Amendment 39-1030 is further amended by Amendment 39-1472.  
	Applies to Models H35, equipped with Continental 0-470-G-CI engines, J35, K35, M35, N35, P35, S35, S35TC, V35, V35-TC, V35A, and V35A-TC, Serial Numbers D5062, D5331 through D9068; Models 35-33, 35-A33, 35-B33, 35-C33 and E33, Serial Numbers CD-1 through CD-1234; Models 35-C33A and E33A, Serial Numbers CE-1 through CE-289; Model F33C, Serial Numbers CJ-26 and up; Model E33C, Serial Numbers CJ-1 and up; Model 36, Serial Numbers E-1 through E-184 airplanes. 
	Compliance:  Required as indicated, unless already accomplished. 
	A)	Effective immediately, turning type takeoffs and a takeoff immediately following a fast taxi turn are prohibited.  Avoid prolonged slips (20 seconds or more) with fuel tanks less than half full. 
	B)	Within 20 hours' time in service after the effective date of this AD, install a permanent type placard on the instrument panel in clear view of the pilot utilizing a minimum of 1/8 inch high letters, or at any equivalent location approved by an FAA Flight Standards Inspector, with the following wording:

	"TURNING TYPE TAKEOFFS, AND TAKEOFF IMMEDIATELY FOLLOWING FAST TAXI TURN PROHIBITED.  AVOID PROLONGED SLIPS (20 SECONDS OR MORE) WITH FUEL TANKS LESS THAN HALF FULL."

	NOTE:  The operator/owner may make and install the placard. 

	C)	Within 20 hours' time in service after the effective date of this AD, on Beech Models V35A (Serial Numbers D-8828 through D-9068), E33 (Serial Numbers CD-1181 through CD-1234), E33A (Serial Numbers CE-227 through CE-289) and 36 (Serial Numbers E-1 through E-184) airplanes and those Beech Model airplanes previously modified in accordance with Beech Service Instruction 0133-286 obliterate or remove Beech placard, P/N 33-924017, located either on the Fuel Selector Valve Cover Plate or on the Top Center of the floating instrument panel, which reads:

	"CAUTION - TO PREVENT FUEL FLOW INTERRUPTIONS DUE TO GRAVITY OR CENTRIFUGAL FORCE, SELECT THE HIGH-WING TANK IN SLIPS AND INSIDE TANK DURING TURNING TAKEOFFS."  

Naphtha will remove the instrument panel placard.  (Beech Service Instruction 0133-286 has been cancelled.)

	D)	Within 20 hours' time in service after the effective date of this AD, revise the Airplane Flight Manual, P/N 33-590004-1, dated September 28, 1968, on the Beech Model E33 airplanes and the Airplane Flight Manual, P/N 35-590116-3, dated September 20, 1968, on the Beech Model V35A airplanes as follows: In Section I, Limitations, under Item I obliterate the "required placard" paragraph which states, "CAUTION - TO PREVENT FUEL FLOW INTERRUPTIONS DUE TO GRAVITY OR CENTRIFUGAL FORCE, SELECT THE HIGH-WING TANK IN SLIPS AND INSIDE TANK DURING TURNING TAKEOFFS", and in its place insert a new paragraph with the words specified on the placard required by Paragraph B of the AD.  Accomplish this insertion by affixing a typewritten or printed insert over the existing paragraph. 

	Note:  This insert may be made and installed by the operator/owner. 

	E)	(1)	 Beech Models K35, M35, N35, P35, S35, S35-TC, V35, V35-TC, V35A, V35A-TC, 35-33, 35-A33, 35-B33, 35-C33, 35-C33A, E33, E33A, E33C, F33C and 36 airplanes with fuel cell baffles installed in both wings in accordance with Beech Service Instructions 0459-281 (Beech Kit Nos. 35-9009-1S, 35-9009-2S, 35-9009-3S or 35-9009-4S) or 365-281, Rev. 1, (Beech Kit Nos.  35-9009S or 35-9009-5S) or later revisions, or fuel reservoirs installed in both wings per Beech Kit 35-9012 or a fuel reservoir in one wing and a baffled cell in the other are exempt from compliance with the turning takeoff and 20 second side slip limitations of this AD. 
		(2)	 On Models 35-C33A, E33A, E33C, F33C and 36 airplanes which have complied with Paragraph E(1) install a placard on the instrument panel in full view of the pilot with the wording, "MAXIMUM SIDESLIP DURATION 30 SECONDS", and operate the airplane accordingly. 
		(3)	 On all other model airplanes listed in Paragraph E(1) (except those listed in Paragraph E(2), which have complied with Paragraph E(1), operate the airplane in accordance with the limitations set forth in Airplane Flight Manual Supplement P/N 35-590118-15 dated February 11, 1972, or later revision.
 	F)	Beech Models H35 (equipped with Continental 0-470-G-CI engines) and J35 airplanes which have complied with Beech Service Instruction No. 0459-281 are exempt from compliance with this AD. 
	Amendment 39-935 became effective February 5, 1970. 
	Amendment 39-1030 became effective July 18, 1970. 
	This Amendment 39-1472 becomes effective June 30, 1972.