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APPLICABILITY AND DEFINITIONS Sec. 5.0 Applicability of this part. 5.1 Definitions.

CERTIFICATION 5.10 Eligibility for type certificates. 5.11 Designation of applicable regulations. 5.12 Recording of applicable regulations. 5.13 Type certificate. 5.14 Data required. 5.15 Inspections and tests. 5.16 Flight tests. 5.17 Airworthiness, experimental, and pro

duction certificates. 5.18 Approval of materials, parts, processes,

and appliances. 6.19 Changes in type design.

AUTHORITY: 88 5.0 to 5.19 issued under sec. 205, 52 Stat. 984, as amended; 49 U. S. C. 425. Interpret or apply secs. 601, 603, 52 Stat. 1007, as amended, 1009, as amended; 49 U. S. C. 551, 553.

SOURCE: $$ 5.0 to 5.19 appear at 21 F. R. 1088, Feb. 17, 1956, except as otherwise noted.

APPLICABILITY AND DEFINITIONS § 5.0 Applicability of this part.

This part establishes standards with which compliance shall be demonstrated for the issuance of and changes to type certificates for gliders. This part, until superseded or rescinded, shall apply to all gliders for which applications for type certification are made after the effective date of this part (March 5, 1952). $ 5.1 Definitions.

As used in this part terms are defined as follows:

(a) Administration (1) Administrator. The Administrator is the Administrator of the Federal Aviation Agency.

(2) Applicant. An applicant is a person or persons applying for approval of a glider or any part thereof.

(3) Approved. Approved, when used alone or as modifying terms such as means, devices, specifications, means approved by the Administrator. (See $ 5.18.)

(b) General design (1) Glider. A glider is a heavier-than-air aircraft the free flight of which does not depend principally upon a power generating unit. 121 F.R. 1088, Feb. 17, 1956, as amended, 24 F.R. 5, Jan. 1, 1959)

CERTIFICATION § 5.10 Eligibility for type certificates.

A glider shall be eligible for type certification under the provisions of this part if it complies with the airworthiness provisions of Part 3 of this subchapter modified to the extent the Administrator finds appropriate for gliders: Provided, That the Administrator finds no feature or characteristic of the glider which renders it unsafe. 8 5.11 Designation of applicable regu

lations. The provisions of this section shall apply to all glider types certificated under this part irrespective of the date of application for type certificate.

(a) Unless otherwise established by the Administrator, the glider shall comply with the provisions of this part together with all amendments thereto effective on the date of application for type certificate, except that compliance with later effective amendments may be elected or required pursuant to paragraphs (c), (d), and (e) of this section.

(b) If the interval between the date of application for type certificate and the issuance of the corresponding type certificate exceeds three years, a new application for type certificate shall be required, except that for applications pending on May 1, 1954, such three-year period shall commence on that date. At the option of the applicant, a new application may be filed prior to the expiration of the three-year period. In either instance the applicable regulations shall be those effective on the date of the new application in accordance with paragraph (a) of this section.

(c) During the interval between filing the application and the issuance of a type certificate, the applicant may elect to show compliance with any amendment of this part which becomes effective during that interval, in which case all other amendments found by the Administrator to be directly related shall be complied with.

(d) Except as otherwise provided by the Administrator pursuant to $ 1.24 of this subchapter, a change to the type certificate (see $ 5.13(b)) may be accomplished, at the option of the holder of the type certificate, either in accordance with the regulations incorporated by reference in the type certificate pur


suant to $ 5.13(c), or in accordance with subsequent amendments to such regulations in effect on the date of application for approval of the change, subject to the following provisions:

(1) When the applicant elects to show compliance with an amendment to the regulations in effect on the date of application for approval of a change, he shall show compliance with all amendments which the Administrator finds are directly related to the particular amendment selected by the applicant.

(2) When the change consists of a new design or a substantially complete redesign of a component, equipment installation, or system installation of the glider, and the Administrator finds that the regulations incorporated by reference in the type certificate pursuant to $ 5.13 (c) do not provide complete standards with respect to such change, he shall require compliance with such provisions of the regulations in effect on the date of application for approval of the change as he finds will provide a level of safety equal to that established by the regulations incorporated by reference at the time of issuance of the type certificate.

(e) If a change in design, configuration, or weight is made which the Administrator finds is so extensive as to require a substantially complete investigation of compliance with the regulations, the glider shall be considered as a new type, in which case a new application for type certificate shall be required and the regulations together with all amendments thereto effective on the date of the new application shall be made applicable in accordance with paragraphs (a), (b), (c), and (d) of this section. 121 F.R. 1088, Feb. 17, 1956, as amended, 24 F.R. 5, 1959) $ 5.12 Recording of applicable regula

tions. The Administrator, upon the issuance of a type certificate, shall record the applicable regulations with which compliance was demonstrated. Thereafter, the Administrator shall record the applicable regulations for each change in the type certificate which is accomplished in accordance with regulations other than those recorded at the time of issuance of the type certificate. (See $ 5.11.)

$ 5.13 Type certificate.

(a) An applicant shall be issued a type certificate when he demonstrates the eligibility of the glider by complying with the requirements of this part in addition to the applicable requirements in Part 1 of this subchapter.

(b) The type certificate shall be deemed to include the type design (see $ 5.14 (b)), the operating limitations for the glider (see $ 3.737 of this subchapter), and any other conditions or lim. itations prescribed by the regulations in this subchapter.

(c) The applicable provisions of this part recorded by the Administrator in accordance with $ 5.12 shall be considered as incorporated in the type certificate as though set forth in full. $ 5.14 Data required.

(a) The applicant for a type certificate shall submit to the Administrator such descriptive data, test reports, and computations as are necessary to demonstrate that the glider complies with the requirements of this part.

(b) The descriptive data required in paragraph (a) of this section shall be known as the type design and shall consist of such drawings and specifications as are necessary to disclose the configuration of the glider and all the design features covered in the requirements of this part, such information on dimensions, materials, and processes as is necessary to define the structural strength of the glider, and such other data as are necessary to permit by comparison the determination of the airworthiness of subsequent gliders of the same type. § 5.15 Inspections and tests.

Inspections and tests shall include all those found necessary by the Administrator to insure that the glider complies with the applicable airworthiness requirements and conforms to the following:

(a) All materials and products are in accordance with the specifications in the type design,

(b) All parts of the glider are constructed in accordance with the drawings in the type design,

(c) All manufacturing processes, construction, and assembly are as specified in the type design.


Subpart A-General APPLICABILITY AND DEFINITIONS Sec. 6.0 Applicability of this part. 6.1 Definitions.


8 5.16 Flight tests.

After proof of compliance with the structural requirements contained in this part, and upon completion of all necessary inspections and testing on the ground, and proof of the conformity of the glider with the type design, and upon receipt from the applicant of a report of flight tests performed by him, such official flight tests shall be conducted as the Administrator finds necessary to determine compliance with the requirements of this part. & 5.17 Airworthiness, experimental, and

production certificates. (For requirements with regard to these certificates see part 1 of this subchapter.) $ 5.18 Approval of materials, parts,

processes, and appliances. (a) Materials, parts, processes, and appliances shall be approved upon a basis and in a manner found necessary by the Administrator to implement the pertinent provisions of this subchapter. The Administrator may adopt and publish such specifications as he finds necessary to administer this part, and shall incorporate therein such portions of the aviation industry, Federal, and military specifications respecting such materials, parts, processes, and appliances as he finds appropriate.

NOTE: The provisions of this paragraph are intended to allow approval of materials, parts, processes, and appliances under the system of Technical Standard Orders, or in conjunction with type certification procedures for a glider, or by any other form of approval by the Administrator.

(b) Any material, part, process, or appliance shall be deemed to have met the requirements for approval when it meets the pertinent specifications adopted by the Administrator, and the manufacturer so certifies in a manner prescribed by the Administrator. § 5.19 Changes in type design.

(For requirements with regard to changes in type design and the designation of applicable regulations therefor, see $ 5.11 (d) and (e), and Part 1 of this subchapter.)

6.10 Eligibility for type certificates. 6.11 Designation of applicable regulations. 6.12 Recording of applicable regulations. 6.13 Type certificate. 6.14 Data required. 6.15 Inspections and tests. 6.16 Flight tests. 6.17 Airworthiness, experimental, and pro

duction certificates. 6.18 Approval of materials, parts, proc

esses, and appliances. 6.18-1 Approval of aircraft components (FAA

rules which apply to $ 6.18). 6.18–2 Manufacturer (FAA interpretation

which applies to $ 6.18(b)). 6.18–3 Approval of products under the type

certificate or modification procedures (FAA policies which apply

to $ 6.18). 6.19 Changes in type design.

Subpart B-Flight

GENERAL 6.100 Proof of compliance. 6.101 Weight limitations. 6.102 Center of gravity limitations. 6.103 Rotor limitations and pitch settings. 6.104 Empty weight. 6.105 Use of ballast.

PERFORMANCE 6.110 General. 6.111 Take-off. 6.112 Climb. 6.113 Minimum operating speed perform

ance. 6.114 Autorotative or one-engine-inopera

tive landing. 6.1141 Autorotative or one-engine-inop

ative landing for helicopters with float installations (FAA policies

which apply to $ 6.114). 6.115 Power-off landings for multiengine

rotorcraft. 6.116 Limiting height and speeds for safe

landing following power fallure.

FLIGHT CHARACTERISTICS 6.120 General. 6.121 Controllability. 6.122 Trim. 6.123 Stability. GROUND AND WATER HANDLING

CHARACTERISTICS 6.130 General. 6.131 Ground resonance. 6.132 Spray characteristics.

[blocks in formation]

6.335 Wheels. 6.336 Brakes. 6.337 Tires. 6.338 Skis.

FLOATS 6.340 General. 6.341 Buoyancy (main floats). 6.342 Float strength.

1.230 General. 1.231 Level landing conditions. 1.231–1 Distribution of vertical ground re

action loads and determination of angular inertia loads (FAA interpretations which apply to $ 6.231

(b) (2)). .232 Nose-up landing condition. .233 One-wheel landing condition. .234 Lateral-drift landing condition. .235 Brake roll conditions. .236 Taxying condition. 237 Shock absorption tests. .240 Ski landing conditions. 245 Float landing conditions. 246

Tail-wheel type landing gear ground

loading conditions. 247

Skid gear ground loading condition. MAIN COMPONENT REQUIREMENTS

Main rotor structure. 250-1

Service life of main rotors (FAA

policies which apply to $ 6.250

(a)). 251 Fuselage, landing gear, and rotor

pylon structure.

PERSONNEL AND CARGO ACCOMMODATIONS 6.350 Pilot compartment; general. 6.351 Pilot compartment vision. 6.352 Pilot windshield and windows. 6.353 Controls. 6.354 Doors. 6.355 Seats and berths. 6.355–1 Application of loads (FAA policies

which apply to $ 6.355). 6.356 Cargo and baggage compartments. 6.357

Emergency exits. 6.358 Ventilation.



6.380 General. 6.381 Cabin interiors. 6.382 Cargo and baggage compartments. 6.383 Heating systems. 6.384 Fire protection of structure, controls,

and other parts.


[blocks in formation]

6.390 Leveling marks. 6.391 Ballast provisions.

6.644 Emergency flotation and signaling

6.627–1 Electric cable for power distribution 6.634-1 Overlaps between high intensity

6.637–1 Anti-collision light standards (FAA

Subpart 6-Powerplant Installation

Subpart Equipment


Sec. 6.400 Scope and general design.

6.600 Scope. 6.400—1 Powerplant installation components 6.601 Functional and installational require(FAA interpretations which ap

ments. ply to $ 6.400).

6.602 Required basic equipment. 6.401 Engines.

6.603 Flight and navigational instruments. 6.402 Engine vibration.

6.604 Powerplant instruments. ROTOR DRIVE SYSTEM

6.605 Miscellaneous equipment.

6.606 Equipment, systems, and installa6.410 Rotor drive mechanism,

tions. 6.411 Rotor brakes. 6.412 Rotor drive and control mechanism


6.610 General. 6.413 Additional tests. 6.414 Shafting critical speed.

6.611 Arrangement and visibility of Instru

ment installations. 6.415 Shafting joints.

6.612 Flight and navigational instruments. FUEL SYSTEM

6.613 Powerplant instruments. 6.420 Fuel system design and arrange

ELECTRICAL SYSTEMS AND EQUIPMENT ment. 6.421 Unusable fuel supply.

6.620 Installation. 6.422 Fuel tank construction and installa


Storage battery, design and installation.

tion. 6.423 Fuel tank details.

6.622 Generator system. 6.424 Fuel pumps.

6.623 Master switch. 6.425 Fuel system lines and fittings.

6.623–1 Load circuit connections with re6.426 Valves.

spect to the master switch (FAA 6.427 Strainers.

policies which apply to $ 6.629). 6.428 Drains.

6.624 Master switch installation. 6.429 Fuel quantity indicator.

6.625 Protective devices.

6.625–1 Automatic reset circuit breakers OIL SYSTEM

(FAA policies which apply to 6.440 General.

$ 6.625). 6.441 Oil tank construction and Installation.

6.625–2 Circuit breakers (FAA policies 6.442 Oil lines and fittings.

which apply to $ 6.625). 6.443 Oil drains.


Protective devices installation. 6.444 Oil quantity gauge.

6.627 Electric cables. COOLING SYSTEM

(FAA policies which apply to 6.450 General.

§ 6.627).

6.628 6.451 Cooling tests.


LIGHTS 6.460 General.

6.630 Instrument lights. 6.461 Air induction.

6.631 Landing lights. 6.461-1 Induction system air filters (FAA

6.632 Position light system installation. policies which apply to 6.461).

6.633 Position light system dihedral angles. 6.462 Induction system de-icing and anti

6.634 Position light distribution and In. icing provisions.

tensities. 6.463 Exhaust manifolds. POWERPLANT CONTROLS AND ACCESSORIES

forward position lights (FAA poll.

cies which apply to $ 6.634 (b) 6.470 Powerplant controls; general.

(3). 6.471 Throttle controls.

6.635 Color specifications. 6.472 Ignition switches.

6.636 Riding light. 6.473 Mixture controls.


Anti-collision light system. 6.474 Powerplant accessories.


policies which apply to $ 6.837).


6.480 General.
6.481 Ventilation.
6.482 Shutoff means.
6.483 Fire wall.
6.484 Engine cowling and engine compart-

ment covering. 6.485 Lines and fittings. 6.486 Flammable fluids.

6.640 General.
6.641 Flares.

Flare installation.
6.643 Safety belts.


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