485 

Federal Aviation Administration, DOT 

Pt. 27 

(3) For alteration data developed 

after January 11, 2008, the DT data re-
quired by paragraph (c)(2) of this sec-
tion must be submitted before approval 
of the alteration data and making it 
available to persons required to comply 
with §§ 121.1109 and 129.109 of this chap-
ter. 

(4) For repair data developed and ap-

proved before January 11, 2008, the DT 
data required by paragraph (d)(2) of 
this section must be submitted by June 
30, 2009. 

(5) For repair data developed and ap-

proved after January 11, 2008, the DT 
data required by paragraph (d)(2) of 
this section, must be submitted within 
12 months after initial approval of the 
repair data and before making the DT 
data available to persons required to 
comply with §§ 121.1109 and 129.109 of 
this chapter. 

[Docket No. FAA–2005–21693, 72 FR 70505, Dec. 
12, 2007, as amended by Doc. No. FAA–2018– 
0119, Amdt. 26–7, 83 FR 9170, Mar. 5, 2018] 

§ 26.49

Compliance plan. 

(a) 

Compliance plan. 

Except for appli-

cants for type certificates and supple-
mental type certificates whose applica-
tions are submitted after January 11, 
2008, each person identified in §§ 26.43, 
26.45, and 26.47, must submit a compli-
ance plan consisting of the following: 

(1) A project schedule identifying all 

major milestones for meeting the com-
pliance times specified in §§ 26.43(f), 
26.45(e), and 26.47(e), as applicable. 

(2) A proposed means of compliance 

with §§ 26.43, 26.45, and 26.47, as applica-
ble. 

(3) A plan for submitting a draft of 

all compliance items required by this 
subpart for review by the responsible 
Aircraft Certification Service office 
not less than 60 days before the appli-
cable compliance date. 

(b) 

Compliance dates for compliance 

plans. 

The following persons must sub-

mit the compliance plan described in 
paragraph (a) of this section to the re-
sponsible Aircraft Certification Service 
office for approval on the following 
schedule: 

(1) For holders of type certificates, 

no later than 90 days after January 11, 
2008. 

(2) For holders of supplemental type 

certificates no later than 180 days after 
January 11, 2008. 

(3) For applicants for changes to type 

certificates whose application are sub-
mitted before January 11, 2008, no later 
than 180 days after January 11, 2008. 

(c) 

Compliance Plan Implementation. 

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

[Docket No. FAA–2005–21693, 72 FR 70505, Dec. 
12, 2007, as amended by Doc. No. FAA–2018– 
0119, Amdt. 26–7, 83 FR 9170, Mar. 5, 2018] 

PART 27—AIRWORTHINESS STAND-

ARDS: NORMAL CATEGORY 
ROTORCRAFT 

Subpart A—General 

Sec. 
27.1

Applicability. 

27.2

Special retroactive requirements. 

Subpart B—Flight 

G

ENERAL

 

27.21

Proof of compliance. 

27.25

Weight limits. 

27.27

Center of gravity limits. 

27.29

Empty weight and corresponding cen-

ter of gravity. 

27.31

Removable ballast. 

27.33

Main rotor speed and pitch limits. 

P

ERFORMANCE

 

27.45

General. 

27.49

Performance at minimum operating 

speed. 

27.51

Takeoff. 

27.65

Climb: all engines operating. 

27.67

Climb: one engine inoperative. 

27.71

Autorotation performance. 

27.75

Landing. 

27.87

Height-speed envelope. 

F

LIGHT

C

HARACTERISTICS

 

27.141

General. 

27.143

Controllability and maneuverability. 

27.151

Flight controls. 

27.161

Trim control. 

27.171

Stability: general. 

27.173

Static longitudinal stability. 

27.175

Demonstration of static longitudinal 

stability. 

27.177

Static directional stability. 

G

ROUND AND

W

ATER

H

ANDLING

 

C

HARACTERISTICS

 

27.231

General. 

27.235

Taxiing condition. 

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