698 

14 CFR Ch. I (1–1–19 Edition) 

Pt. 33 

by the applicant or by the manufacturers of 
balloon parts will be distributed. 

A

31.2

FORMAT

 

(a) The Instructions for Continued Air-

worthiness must be in the form of a manual 
or manuals as appropriate for the quantity 
of data to be provided. 

(b) The format of the manual or manuals 

must provide for a practical arrangement. 

A

31.3

CONTENT

 

The contents of the manual or manuals 

must be prepared in the English language. 
The Instructions for Continued Airworthi-
ness must contain the following information: 

(a) Introduction information that includes 

an explanation of the balloon’s features and 
data to the extent necessary for mainte-
nance or preventive maintenance. 

(b) A description of the balloon and its sys-

tems and installations. 

(c) Basic control and operation informa-

tion for the balloon and its components and 
systems. 

(d) Servicing information that covers de-

tails regarding servicing of balloon compo-
nents, including burner nozzles, fuel tanks, 
and valves during operations. 

(e) Maintenance information for each part 

of the balloon and its envelope, controls, rig-
ging, basket structure, fuel systems, instru-
ments, and heater assembly that provides 
the recommended periods at which they 
should be cleaned, adjusted, tested, and lu-
bricated, the applicable wear tolerances, and 
the degree of work recommended at these pe-
riods. However, the applicant may refer to 
an accessory, instrument, or equipment 
manufacturer as the source of this informa-
tion if the applicant shows that the item has 
an exceptionally high degree of complexity 
requiring specialized maintenance tech-
niques, test equipment, or expertise. The rec-
ommended overhaul periods and necessary 
cross references to the Airworthiness Limi-
tations section of the manual must also be 
included. In addition, the applicant must in-
clude an inspection program that includes 
the frequency and extent of the inspections 
necessary to provide for the continued air-
worthiness of the balloon. 

(f) Troubleshooting information describing 

probable malfunctions, how to recognize 
those malfunctions, and the remedial action 
for those malfunctions. 

(g) Details of what, and how, to inspect 

after a hard landing. 

(h) Instructions for storage preparation in-

cluding any storage limits. 

(i) Instructions for repair on the balloon 

envelope and its basket or trapeze. 

A

31.4

AIRWORTHINESS LIMITATIONS SECTION

 

The Instructions for Continued Airworthi-

ness must contain a section titled Airworthi-

ness Limitations that is segregated and 
clearly distinguishable from the rest of the 
document. This section must set forth each 
mandatory replacement time, structural in-
spection interval, and related structural in-
spection procedure, including envelope struc-
tural integrity, required for type certifi-
cation. If the Instructions for Continued Air-
worthiness consist of multiple documents, 
the section required by this paragraph must 
be included in the principal manual. This 
section must contain a legible statement in 
a prominent location that reads: ‘‘The Air-
worthiness Limitations section is FAA ap-
proved and specifies maintenance required 
under §§ 43.16 and 91.403 of the Federal Avia-
tion Regulations.’’ 

[Amdt. 31–4, 45 FR 60180, Sept. 11, 1980, as 
amended by Amdt. 31–5, 54 FR 34330, Aug. 18, 
1989] 

PART 33—AIRWORTHINESS 

STANDARDS: AIRCRAFT ENGINES 

Subpart A—General 

Sec. 
33.1

Applicability. 

33.3

General. 

33.4

Instructions for Continued Airworthi-

ness. 

33.5

Instruction manual for installing and 

operating the engine. 

33.7

Engine ratings and operating limita-

tions. 

33.8

Selection of engine power and thrust 

ratings. 

Subpart B—Design and Construction; 

General 

33.11

Applicability. 

33.13

[Reserved] 

33.15

Materials. 

33.17

Fire protection. 

33.19

Durability. 

33.21

Engine cooling. 

33.23

Engine mounting attachments and 

structure. 

33.25

Accessory attachments. 

33.27

Turbine, compressor, fan, and turbo-

supercharger rotor overspeed. 

33.28

Engine control systems. 

33.29

Instrument connection. 

Subpart C—Design and Construction; 

Reciprocating Aircraft Engines 

33.31

Applicability. 

33.33

Vibration. 

33.34

Turbocharger rotors. 

33.35

Fuel and induction system. 

33.37

Ignition system. 

33.39

Lubrication system. 

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