14CFR vol1 part33 - 46 pages

Page 1 -   PAGE

14 CFR Ch. I (1-1-19 Edition)
(a) The Instructions for Continued Airworthiness must be in ...
(b) The format of the manual or manuals
(a) Introduction information that includes
(b) A description of the balloon and its systems and install...
(c) Basic control and operation information for the balloon ...
(d) Servicing information that covers details regarding serv...
(e) Maintenance information for each part
(f) Troubleshooting information describing
(g) Details of what, and how, to inspect
(h) Instructions for storage preparation including any stora...
(i) Instructions for repair on the balloon
1989]
PART 33 - AIRWORTHINESS
Subpart A - General
33.1 Applicability.
33.3 General.
33.4 Instructions for Continued Airworthiness.
33.5 Instruction manual for installing and
33.7 Engine ratings and operating limitations.
33.8 Selection of engine power and thrust
...

Page 2 -   PAGE

Section 33.5
Subpart D - Block Tests; Reciprocating
33.41
33.42
33.43
33.45
33.47
33.49
33.51
33.53
33.55
33.57
44702, 44704.
10, 1964, unless otherwise noted.
2, 31 FR 9211, July 6, 1966.
Subpart E - Design and Construction;
33.61
33.62
33.63
33.64
33.65
...

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Section 33.7
14 CFR Ch. I (1-1-19 Edition)
(a) Installation instructions. (1) The location of engine mo...
(b) Operation instructions. (1) The operating limitations es...
(i) Starting;
(c) Safety analysis assumptions. The
1980; Amdt. 33-24, 47 FR 50867, Sept. 4, 2007;
33-26, 73 FR 48284, Aug. 19, 2008]
Section 33.7 Engine ratings and operating
(a) Engine ratings and operating limitations are established...
(b) For reciprocating engines, ratings
(i) Rated maximum continuous power
(i) Cylinder;
(i) Fuel at the fuel inlet; and
12:50 Apr 30, 2019

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Section 33.15
r.p.m.
(c) For turbine engines, ratings and
r.p.m., gas temperature, and time for - 
(i) Rated maximum continuous power
(v) Rated 30-minute OEI power;
(x) Auxiliary power unit (APU) mode
(i) Oil at a location specified by the
(v) External surfaces of the engine, if
(i) Fuel at the fuel inlet;
r.p.m., and number of overspeed occurrences.
(d) In determining the engine performance and operating limi...
Section 33.5(a)(6) must be taken into account.
1984; Amdt. 33-11, 51 FR 10346, Mar. 25, 1986;
33-18, 61 FR 31328, June 19, 1996; Amdt. 33-26,
73 FR 48284, Aug. 19, 2008; Amdt. 33-30, 74 FR
45310, Sept. 2, 2009]
Section 33.8 Selection of engine power and
(a) Requested engine power and
(b) Each selected rating must be for
Subpart B - Design and
...

Page 5 -   PAGE

Section 33.17
14 CFR Ch. I (1-1-19 Edition)
(b) Conform to approved specifications (such as industry or ...
1984]
Section 33.17
(a) The design and construction of
(b) Except as provided in paragraph
(c) of this section, each external line,
(c) A tank, which contains flammable
(d) An engine component designed,
(e) In addition to the requirements of
(f) Unintentional accumulation of
(g) Any components, modules, or
30, 2009]
Section 33.19
(a) Engine design and construction
(b) Each component of the propeller
35.42 and 35.43 of this chapter.
1980; Amdt. 33-10, 49 FR 6851, Feb. 23, 1984;
Section 33.21
Section 33.23 Engine mounting attachments
...

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Section 33.27
Section 33.25
Section 33.27 Turbine, compressor, fan, and
(a) For each fan, compressor, turbine,
(b) of this section is the most critical
(b) When determining the maximum
(i) The failure of the component or
(c) of this section, when operating at
(c) The highest overspeed that results
(b)(3)(i),
(b)(3)(ii), and (b)(4) of this section, regardless of whethe...
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Section 33.28
14 CFR Ch. I (1-1-19 Edition)
(d) In addition, the applicant must
(d)(2) of this section for the maximum
(b)(3) and (b)(4) of this section. The applicant must use th...
(i) Catch fire,
Section 33.23(a), or
(e) The design and functioning of engine control systems, in...
(f) Failure of a shaft section may be
Section 33.70.
(g) If analysis is used to meet the
42023, July 18, 2011]
Section 33.28
(a) Applicability. These requirements
(b) Validation - (1) Functional aspects.
(i) Enables selected values of relevant control parameters t...
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Section 33.28
(c) Control transitions. (1) The applicant must demonstrate ...
(i) The engine does not exceed any of
(d) Engine control system failures. The
(e) System safety assessment. When
(f) Protection systems. (1) The design
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Section 33.29
14 CFR Ch. I (1-1-19 Edition)
(g) Software. The applicant must design, implement, and veri...
(h) Aircraft-supplied data. Single failures leading to loss,...
(i) Aircraft-supplied electrical power. (1)
(i) A hazardous engine effect, or
(j) Air pressure signal. The applicant
(e) of this section and must adopt the
(k) Automatic availability and control
(l) Engine shut down means. Means
(m) Programmable logic devices. The
Section 33.29
(a) Unless it is constructed to prevent its connection to an...
(b) A connection must be provided on
(c) Each rotorcraft turbine engine
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Section 33.35
30-second and 2-minute OEI power levels, and permit retrieva...
(d) The means, or the provision for a
(e) The applicant must make provision for the installation o...
(f) As part of the System Safety Assessment of Section 33.28...
(g) The sensors, together with associated wiring and signal ...
(h) The applicant must provide instrumentation enabling the ...
1974; Amdt. 33-18, 61 FR 31328, June 19, 1996;
33-26, 73 FR 48285, Aug. 19, 2008]
Subpart C - Design and Construction; Reciprocating Aircraft
Section 33.31 Applicability.
Section 33.33 Vibration.
Section 33.34 Turbocharger rotors.
Section 33.35 Fuel and induction system.
(a) The fuel system of the engine
(b) The intake passages of the engine
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Section 33.37
14 CFR Ch. I (1-1-19 Edition)
(c) The type and degree of fuel filtering necessary for prot...
(d) Each passage in the induction system that conducts a mix...
(e) If provided as part of the engine,
1984]
Section 33.37
Section 33.39
(a) The lubrication system of the engine must be designed an...
(b) The lubrication system of the engine must be designed an...
(c) The crankcase must be vented to
Subpart D - Block Tests;
Section 33.41 Applicability.
Section 33.42 General.
Section 33.43 Vibration test.
(a) Each engine must undergo a vibration survey to establish...
103 percent of the maximum desired
(b) The torsional and bending vibration stresses of the cran...
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Section 33.49
(c) Each accessory drive and mounting attachment must be loa...
(d) The vibration survey described in
1984]
Section 33.45
(a) Each engine must be subjected to
(b) A power check at sea level conditions must be accomplish...
1974]
Section 33.47
Section 33.49 Endurance test.
(a) General. Each engine must be subjected to an endurance t...
(e)(1)(iii) of this section) and, depending upon the type an...
(b) through (e) of this section, as applicable. The runs mus...
(b) Unsupercharged engines and engines incorporating a gear-...
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Section 33.49
14 CFR Ch. I (1-1-19 Edition)
75 percent rated maximum continuous
70 percent rated maximum continuous
65 percent rated maximum continuous
60 percent rated maximum continuous
50 percent rated maximum continuous
(c) Engines incorporating a gear-driven
5 minutes at rated takeoff power with
1 hour at rated maximum continuous
1 hour at rated maximum continuous
1 hour at rated maximum continuous
1 hour at rated maximum continuous
1 hour at rated maximum continuous
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Section 33.49
2 hours at rated maximum continuous
(d) Helicopter engines. To be eligible
(a) through (j) of Section 29.923 of this chapter, or must u...
80 to 90 percent maximum continuous
(e) Turbosupercharged engines. For engines
(i) The entire run specified in paragraph (b)(1) of this sec...
8,000 feet altitude pressure; and
(i) The entire run specified in paragraph (d)(1) of this sec...
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Section 33.51
14 CFR Ch. I (1-1-19 Edition)
8,000 feet altitude pressure;
(v) The entire run specified in paragraph (d)(6) of this sec...
1974; Amdt. 33-10, 49 FR 6851, Feb. 23, 1984]
Section 33.51 Operation test.
1967]
Section 33.53 Engine system and component
(a) For those systems and components that cannot be adequate...
(b) Temperature limits must be established for each componen...
2008]
Section 33.55
(a) Each engine must be completely
(b) Each component having an adjustment setting and a functi...
(c) Each engine component must conform to the type design an...
1980]
Section 33.57
(a) The applicant may, in conducting
(b) The applicant may service and
Section 33.4. If the frequency of the service is
12:50 Apr 30, 2019
...

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Section 33.67
(c) Each applicant must furnish all
1974; Amdt. 33-9, 45 FR 60181, Sept. 11, 1980]
Subpart E - Design and Construction; Turbine Aircraft Engine...
Section 33.61
Section 33.62
Section 33.63
Section 33.64
(a) Strength. The applicant must establish by test, validate...
(i) 1.1 times the maximum working
(i) 1.15 times the maximum possible
(b) Compliance with this section
Section 33.65 Surge and stall characteristics.
Section 33.66 Bleed air system.
Section 33.67 Fuel system.
(a) With fuel supplied to the engine
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Section 33.68
14 CFR Ch. I (1-1-19 Edition)
(b) There must be a fuel strainer or
(i) That foreign particles passing
(i) Existing engine instrumentation;
(c) If provided as part of the engine,
1984; Amdt. 33-18, 61 FR 31328, June 19, 1996;
33-26, 73 FR 48285, Aug. 19, 2008]
Section 33.68 Induction system icing.
(a) Operate throughout its flight
25 of this chapter, and Appendix D of
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Section 33.68
(b) Operate throughout its flight
25 of this chapter, and for turboshaft
(i) At engine powers that can sustain
10 minutes consistent with a simulated
(c) In addition to complying with
(a) 10-minutes for
(b) Must show repetitive, stabilized operation for higher
100%MC).
(a) 10-minutes for
(b) Must show repetitive, stabilized operation for higher
100%MC).
1. Glaze ice conditions.
21 to 25 SectionF (Section6 to
2 g/m3 ........................
25 to 35 microns ...................
2. Rime ice conditions
1 g/m3 ........................
15 to 25 microns ...................
12:50 Apr 30, 2019
...

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Section 33.69
14 CFR Ch. I (1-1-19 Edition)
3. Glaze ice holding
18 SectionF (Section12 to Section8
10 SectionF (Section17 to Section12
0 SectionF (Section23 to Section18
10 SectionF (Section17 to Section12
4. Rime ice holding
1.7 g/m3 (1 minute),
20 to 30 microns ...................
0.25 g/m3 ...................
20 to 30 microns ...................
(d) Operate at ground idle speed for a
1. Rime ice condition
2. Glaze ice condition
3. Snow ice condition
4. Large drop glaze
15-25 microns .......................
15-25 microns .......................
100 microns ...........................
100 microns (minimum) .........
...

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Section 33.71
Section 33.70 Engine life-limited parts.
(a) An engineering plan that contains
(b) A manufacturing plan that identifies the specific manufa...
(c) A service management plan that
Section 33.71
(a) General. Each lubrication system
(b) Oil strainer or filter. There must be
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Section 33.72
14 CFR Ch. I (1-1-19 Edition)
(c) Oil tanks. (1) Each oil tank must
Section 33.64.
(i) There must be means to trap an
(d) Oil drains. A drain (or drains)
(e) Oil radiators. Each oil radiator
1984; Amdt. 33-21, 72 FR 1877, Jan. 16, 2007;
33-27, 73 FR 57235, Oct. 2, 2008]
Section 33.72
Section 33.73
(a) From minimum to rated takeoff
(b) From the fixed minimum flight
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Section 33.75
Section 33.74 Continued rotation.
Section 33.75 Safety analysis.
(a) (1) The applicant must analyze
(i) Aircraft-level devices and procedures assumed to be asso...
10Section5 to 10Section7 per engine flight hour).
(b) The FAA may require that any assumption as to the effect...
(c) The primary failure of certain single elements cannot be...
(d) If reliance is placed on a safety
(e) If the safety analysis depends on
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Section 33.76
14 CFR Ch. I (1-1-19 Edition)
Section 33.4 of this part. Additionally, if errors in mainte...
(f) If applicable, the safety analysis
(g) Unless otherwise approved by the
(i) Non-containment of high-energy
(v) Failure of the engine mount system leading to inadverten...
Section 33.76 Bird ingestion.
(a) General. Compliance with paragraphs (b), (c), and (d) of...
(d) of this section, all ingestion tests
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Section 33.76
(c) and (d) of this section.
(b) Large single bird. Compliance with
1.35 (2,092)>A .......................
1.35 (2,092)-A<3.90 (6,045)
3.90 (6,045)-A .......................
1.85 (4.07) minimum, unless
2.75 (6.05)
3.65 (8.03)
(c) Small and medium flocking bird
1,500 feet above ground level, but not
2, the largest of those birds must be
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Section 33.76
14 CFR Ch. I (1-1-19 Edition)
(i) More than a sustained 25-percent
(i) Ingestion so as to simulate a flock
(v) Followed by 6 minutes at 40-percent of the test conditio...
(i) Ingestion so as to simulate a flock
(v) Followed by stabilizing at idle
0.05
0.05
0.10
0.20
0.40
0.60
1.00
1.35
1.70 (2,635)-A <2.10 (3,255) ..........
2.10 (3,255)-A <2.50 (3,875) ..........
2.50 (3,875)-A <3.90 (6045) ...........
3.90 (6045)-A <4.50 (6975) ............
4.50 (6975)-A ..................................
1 ...........
...

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Section 33.77
(i) A sustained reduction of power or
(i) Ingestion followed by 1 minute
30 and 35 percent of maximum rated
(v) Followed by 2 minutes with power
(i) Incorporating the requirements of
(b)(1) of this section; or
(d)(6)(ii)(A) of this section are installed
(d)(5) of this section.
2.50 (3875) -A <3.50 (5425) ...........
3.50 (5425) -A <3.90 (6045) ...........
3.90 (6045) -A .................................
12:50 Apr 30, 2019
1.85 (4.08)
2.10 (4.63)
2.50 (5.51)
14, 2000, as amended by Amdt. 33-20, 68 FR
75391, Dec. 31, 2003; Amdt. 33-24, 72 FR 50868,
...

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Section 33.78
14 CFR Ch. I (1-1-19 Edition)
(d) For an engine that incorporates a
(e) Compliance with the requirements of this section must be...
0 .............................................................
80 ............................................................
300 ...........................................................
700 ...........................................................
2800 ..........................................................
5000 ..........................................................
7000 ..........................................................
7900 ..........................................................
9500 ..........................................................
11300 .........................................................
13300 .........................................................
16500 .........................................................
20000 .........................................................
1998; 63 FR 53278, Oct. 5, 1998; Amdt. 33-20, 65
65537, Nov. 4, 2014]
Section 33.78
(a) All engines. (1) The ingestion of
...

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Section 33.79
(b) Engines for rotorcraft. As an alternative to the require...
(c) Engines for supersonic airplanes. In
(a)(1) and (a)(2) of this section, a separate test for super...
(d) For an engine that incorporates
Section 33.79
(a) Provide cutoff of the fuel burning
(b) Permit on-off cycling;
(c) Be controllable within the intended range of operation;
(d) Upon a failure or malfunction of
(e) Have controls that function compatibly with the other en...
12:50 Apr 30, 2019

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Section 33.81
14 CFR Ch. I (1-1-19 Edition)
Subpart F - Block Tests; Turbine
Section 33.81
1974]
Section 33.82
Section 33.83
(a) Each engine must undergo vibration surveys to establish ...
(b) The surveys shall cover the
(c) Evaluations shall be made of the
(d) Except as provided by paragraph
(e) of this section, the vibration
(e) The effects on vibration characteristics of excitation f...
(f) Compliance with this section shall
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Section 33.87
2012; 77 FR 58301, Sept. 20, 2012]
Section 33.84
(a) If approval of a maximum engine
(b) The test conditions must be as
Section 33.85
(a) Each engine must be subjected to
(b) A power check at sea level conditions must be accomplish...
(c) In showing compliance with this
(d) In the case of engines having 30second OEI, and 2-minute...
Section 33.87(f) (1) through (8) may be used in
1974; Amdt. 33-18, 61 FR 31328, June 19, 1996]
Section 33.87
(a) General. Each engine must be subjected to an endurance t...
12:50 Apr 30, 2019

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Section 33.87
14 CFR Ch. I (1-1-19 Edition)
(d), (e) or (g) of this section, the prescribed 6-hour test ...
(a)(5) of this section, power or thrust,
(f) of this section.
(i) The load imposed by each accessory used only for aircraf...
(i) To change the thrust setting, the
12:50 Apr 30, 2019

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Section 33.87
(v) During the runs at thrust settings
(b) Engines other than certain rotorcraft engines. For each ...
(i) Rated maximum continuous power
30 minutes of accelerations and decelerations, consisting of...
12:50 Apr 30, 2019

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Section 33.87
14 CFR Ch. I (1-1-19 Edition)
(c) Rotorcraft engines for which a 30minute OEI power rating...
(i) Rated maximum continuous power
(d) Rotorcraft engines for which a continuous OEI rating is ...
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Section 33.87
(i) Rated maximum continuous power
(e) Rotorcraft engines for which a 21-2minute OEI power rati...
21-2-minute OEI power. The developed
(b)(5), (c)(6), or (d)(6) of this section, as
(b)(2) through (b)(6), or (c)(2) through
(c)(7), or (d)(2) through (d)(7) of this
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Section 33.87
14 CFR Ch. I (1-1-19 Edition)
(b)(2) of this section, or of the 30 minutes at 30-minute OE...
(f) Rotorcraft Engines for which 30-second OEI and 2-minute ...
(g) Supersonic aircraft engines. For
(i) Two periods of 5 minutes at rated
(i) One period of 30 minutes at the
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Section 33.89
15 percent of rated takeoff thrust;
(v) One period of 30 minutes with 25
5 runs at the thrust obtained with the
1967; Amdt. 33-6, 39 FR 35468, Oct. 1, 1974;
33-12, 53 FR 34220, Sept. 2, 1988; Amdt. 33-18,
61 FR 31328, June 19, 1996; Amdt. 33-25, 73 FR
48123, Aug. 18, 2008; Amdt. 33-30, 74 FR 45311,
13, 2012]
Section 33.88
(a) Each engine must run for 5 minutes at maximum permissibl...
(b) In addition to the test requirements in paragraph (a) of...
4 minutes at the maximum power-on
35 SectionF (19 SectionC) higher than the maximum
(c) A separate test vehicle may be
2008; Amdt. 33-26, 73 FR 48285, Aug. 19, 2008]
Section 33.89
(a) The operation test must include
(i) No bleed air and power extraction
12:50 Apr 30, 2019
...

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Section 33.90
14 CFR Ch. I (1-1-19 Edition)
(b) The operation test must include
1974; Amdt. 33-10, 49 FR 6853, Feb. 23, 1984]
Section 33.90 Initial maintenance inspection
(a) An approved engine test that simulates the conditions in...
(b) An approved engine test conducted in accordance with Sec...
2007]
Section 33.91 Engine system and component
(a) For those systems or components
(b) Temperature limits must be established for those compone...
(c) Each unpressurized hydraulic
(d) For an engine type certificated
1974; Amdt. 33-26, 73 FR 48285, Aug. 19, 2008;
33-27, 73 FR 57235, Oct. 2, 2008]
Section 33.92 Rotor locking tests.
(a) The engine must be shut down
(b) The means for stopping and locking the rotor(s) must be ...
(c) Following rotor locking, the
Section 33.93 Teardown inspection.
(a) After completing the endurance
...

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Section 33.95
(b) After completing the endurance
(c) In lieu of compliance with paragraph (b) of this section...
2008]
Section 33.94 Blade containment and rotor
(a) Except as provided in paragraph
(b) of this section, it must be demonstrated by engine tests...
(b) Analysis based on rig testing,
(a)(1) and (a)(2) of this section if - 
Section 33.95
(a) Feathering operation: 25 cycles.
(b) Negative torque and thrust system operation: 25 cycles f...
(c) Automatic decoupler operation: 25
(d) Reverse thrust operation: 175 cycles from the flight-idl...
30 seconds at the maximum rotational
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Section 33.96
14 CFR Ch. I (1-1-19 Edition)
1967]
Section 33.96 Engine tests in auxiliary power
(a) Ground locking: A total of 45
(b) Dynamic braking: A total of 400
(c) One hundred engine starts and
(d) The tests required by paragraphs
(a), (b), and (c) of this section must be
(e) The tests required by paragraphs
(a), (b), and (c) of this section must be
Section 33.93(b).
Section 33.97
(a) If the engine incorporates a reverser, the endurance cal...
(b) 175 reversals must be made from
1967]
Section 33.99
(a) Each applicant may, in making a
(b) Each applicant may service and
Section 33.4. If the frequency of the service is
(c) Each applicant must furnish all
...

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Section 33.201
1974; Amdt. 33-9, 45 FR 60181, Sept. 11, 1980]
Subpart G - Special Requirements:
1877, Jan. 16, 2007, unless otherwise noted.
Section 33.201 Design and test requirements
(a) The engine must be designed
(b) The design features of the engine
(c) Except as specified in paragraph
(f) of this section, the applicant must
200 rpm provided the test encompasses
(d) Prior to the test required by paragraph (c) of this sect...
12:50 Apr 30, 2019

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14 CFR Ch. I (1-1-19 Edition)
(e) At the conclusion of the testing
(i) In accordance with the applicable
(f) An alternative mission cycle endurance test that provide...
(g) For an applicant using the simulated ETOPS mission cycli...
Section 33.90(a). Following the inspection, the
(a) This appendix specifies requirements
(b) The Instructions for Continued Airworthiness for each en...
(c) The applicant must submit to the FAA
(a) The Instructions for Continued Airworthiness must be in ...
(b) The format of the manual or manuals
(a) Engine Maintenance Manual or Section.
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(b) Engine Overhaul Manual or Section. (1)
(c) ETOPS Requirements. For an applicant
(a) For all engines:
(b) For rotorcraft engines having 30-second
(b)(1) of this section A33.4 and of the data for
Section 33.5(b)(4) pertaining to power availability.
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14 CFR Ch. I (1-1-19 Edition)
1989; Amdt. 33-21, 72 FR 1878, Jan. 16, 2007;
0 .................................................
20,000 ........................................
26,300 ........................................
32,700 ........................................
39,300 ........................................
46,000 ........................................
20.0
20.0
15.2
10.8
7.7
5.2
0 .................................................
7,300 ..........................................
8,500 ..........................................
10,000 ........................................
12,000 ........................................
15,000 ........................................
16,000 ........................................
...

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0-0.49 ........................................
0.50-0.99 ...................................
1.00-1.49 ...................................
1.50-1.99 ...................................
2.00-2.49 ...................................
2.50-2.99 ...................................
3.00-3.49 ...................................
3.50-3.99 ...................................
4.00-4.49 ...................................
4.50-4.99 ...................................
5.00-5.49 ...................................
5.50-5.99 ...................................
6.00-6.49 ...................................
6.50-7.00 ...................................
2.25
8.75
16.25
19.00
17.75
13.50
...

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14 CFR Ch. I (1-1-19 Edition)
0 to Section20 ......................
0 to Section20 ......................
12:50 Apr 30, 2019

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PART 34 - FUEL VENTING AND EXHAUST EMISSION REQUIREMENTS
Subpart E - Certification Provisions
Subpart F [Reserved]
Subpart G - Test Procedures for Engine Exhaust Gaseous Emiss...
34.60 Introduction.
34.61-34.71 [Reserved]
10, 1990, unless otherwise noted.
12:50 Apr 30, 2019
Subpart C - Exhaust Emissions (New
34.20
34.48 Derivative engines for emissions certification purpose...
Subpart B - Engine Fuel Venting Emissions
34.10
34.11
Subpart D - Exhaust Emissions (In-Use
34.30
34.31
Subpart A - General Provisions
34.1
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