474 

14 CFR Ch. I (1–1–19 Edition) 

§ 26.21 

of the full-scale fatigue testing and 
demonstrating that widespread fatigue 
damage will not occur in the airplane 
structure. 

(5) Holders of either supplemental 

type certificates (STCs) or amend-
ments to TCs that increase maximum 
takeoff gross weights from 75,000 
pounds or less to greater than 75,000 
pounds: No later than July 14, 2012. 

(6) Applicants for either STCs or 

amendments to TCs that increase max-
imum takeoff gross weights from 75,000 
pounds or less to greater than 75,000 
pounds: No later than the latest of the 
following dates: 

(i) July 14, 2012; 
(ii) The date the certificate is issued; 

or 

(iii) The date specified in the plan ap-

proved under § 25.571(b) for completion 
of the full-scale fatigue testing and 
demonstrating that widespread fatigue 
damage will not occur in the airplane 
structure. 

(7) Applicants for either STCs or 

amendments to TCs that decrease max-
imum takeoff gross weights from 
greater than 75,000 pounds to 75,000 
pounds or less, if the date of applica-
tion was after January 14, 2011: No 
later than the latest of the following 
dates: 

(i) July 14, 2012; 
(ii) The date the certificate is issued; 

or 

(iii) The date specified in the plan ap-

proved under § 25.571(b) for completion 
of the full-scale fatigue testing and 
demonstrating that widespread fatigue 
damage will not occur in the airplane 
structure. 

(d) 

Compliance plan. 

Each person 

identified in paragraph (e) of this sec-
tion must submit a compliance plan 
consisting of the following: 

(1) A proposed project schedule, iden-

tifying all major milestones, for meet-
ing the compliance dates specified in 
paragraph (c) of this section. 

(2) A proposed means of compliance 

with paragraphs (b)(1) through (b)(4) of 
this section. 

(3) A proposal for submitting a draft 

of all compliance items required by 
paragraph (b) of this section for review 
by the responsible Aircraft Certifi-
cation Service office not less than 60 
days before the compliance date speci-

fied in paragraph (c) of this section, as 
applicable. 

(4) A proposal for how the LOV will 

be distributed. 

(e) 

Compliance dates for compliance 

plans. 

The following persons must sub-

mit the compliance plan described in 
paragraph (d) of this section to the re-
sponsible Aircraft Certification Service 
office by the specified date. 

(1) Holders of type certificates: No 

later than April 14, 2011. 

(2) Applicants for TCs and amend-

ments to TCs, with the exception of 
amendments to TCs specified in para-
graphs (e)(4), (e)(5), or (e)(6) of this sec-
tion, if the date of application was be-
fore January 14, 2011 but the TC or TC 
amendment was not issued before Jan-
uary 14, 2011: No later than April 14, 
2011. 

(3) Holders of either supplemental 

type certificates or amendments to TCs 
that increase maximum takeoff gross 
weights from 75,000 pounds or less to 
greater than 75,000 pounds: No later 
than April 14, 2011. 

(4) Applicants for either STCs or 

amendments to TCs that increase max-
imum takeoff gross weights from 75,000 
pounds or less to greater than 75,000 
pounds, if the date of application was 
before January 14, 2011: No later than 
April 14, 2011. 

(5) Applicants for either STCs or 

amendments to TCs that increase max-
imum takeoff gross weights from 75,000 
pounds or less to greater than 75,000 
pounds, if the date of application is on 
or after January 14, 2011: Within 90 
days after the date of application. 

(6) Applicants for either STCs or 

amendments to TCs that decrease max-
imum takeoff gross weights from 
greater than 75,000 pounds to 75,000 
pounds or less, if the date of applica-
tion is on or after January 14, 2011: 
Within 90 days after the date of appli-
cation. 

(f) 

Compliance plan implementation. 

Each affected person must implement 
the compliance plan as approved in 
compliance with paragraph (d) of this 
section. 

(g) 

Exceptions. 

This section does not 

apply to the following airplane models: 

(1) Bombardier BD–700. 
(2) Bombardier CL–44. 
(3) Gulfstream GV. 

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