80-09-09 CESSNA: Amendment 39-3768. Applies to the following airplanes, equipped with Cessna installed dual flight director indicators, unless modified to provide independent power sources, distribution and bus systems for the dual flight director installation or by relocating the copilot's second attitude indicator to the top center position of the copilot panel instrument "T".
Serial Numbers
500-0066
500-0303
500-0178
500-0304
500-0184
500-0342
500-0275
500-0343
500-0276
500-0344
500-0278
500-0346
500-0279
500-0359
500-0292
500-0364
500-0293
500-0371
500-0294
500-0370
500-0299
500-0373
500-0300
500-0379
Model 500
Serial Numbers
501-0016
501-0063
501-0024
501-0066
501-0027
501-0067
501-0034
501-0112
501-0052
501-0121
Model 501
Serial Numbers
550-0005
550-0079
550-0010
550-0091
550-0012
550-0095
550-0025
550-0098
550-0032
550-0100
550-0034
550-0106
550-0038
550-0110
550-0044
550-0114
550-0046
550-0116
550-0047
550-0121
550-0056
550-0124
550-0062
550-0126
550-0063
550-0130
550-0064
550-0134
550-0066
550-0136
550-0067
550-0138
550-0069
550-0141
550-0073
550-0152
550-0076
Model 550
Serial Numbers
551-0016
551-0024
Model 551
551-0061
COMPLIANCE: Required as indicated, unless previously accomplished.
To preclude the loss of attitude information to the crew, within the next 100 hours time-in-service after the effective date of this AD, accomplish the following:
A) Insert the following information in the applicable FAA Approved Airplane Flight Manual, Section II, Operating Limitations, under the heading Dual Flight Director Installation and operate the airplane in accordance with this insertion:
"The copilot's second attitude indicating system must be installed, operational, and remain operating throughout theflight for those airplanes equipped with the Dual Flight Director Installation."
B) Relocate the copilot's second attitude indicator from the center instrument panel or right side instrument panel if applicable to one of the following positions on the copilot instrument panel.
1) Two instrument positions below the copilot airspeed indicator, or
2) One instrument position below the copilot's altimeter, or
3) Two instrument positions below the copilot's altimeter.
C) Use Paragraph A of this AD or a duplicate thereof, as an amendment to the FAA Approved Airplane Flight Manual until replaced by the following applicable FAA Approved Cessna revision:
Model
Revision No.
FAA Approved Date
500
43
April 15, 1980
501
13
April 18, 1980
550
13
April 15, 1980
551
10
April 18, 1980
D) Any equivalent method of compliance with this Airworthiness Directive must be approved by the Chief, Wichita Engineering and Manufacturing District Office, Federal Aviation Administration, Room 238, Terminal Building No. 2299, Mid-Continent Airport, Wichita, Kansas 67209.
This amendment becomes effective May 12, 1980.