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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. 5.19 Changes in type design.

AUTHORITY: 89 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 This part, until superseded or rescinded, shall apply to all gliders for which applications for type certification are made after the effective date of this part (March 5, 1952).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, etc., 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. $ 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 pursuant 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

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 limitations 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.

§ 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

hou 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.)


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

CERTIFICATION 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). 6.118 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.

Subpart D-Design and Construction

GENERAL Sec. 6.300 Scope. 6.301 Materials. 6.302 Fabrication methods. 6.308 Standard fastenings. 6.304 Protection. 6.305 Inspection provisions. 6.306 Material strength properties and de

sign values. 6.307 Special factors.

MAIN ROTOR 6.310 Main rotor blades; pressure venting

and drainage. 6.311 Stops. 6.312 Rotor and blade balance. 6.313 Rotor blade clearance.

CONTROL SYSTEMS 6.320 General. 6.321 Control system stops. 6.322 Control system locks. 6.323 Static tests. 6.324 Operation tests. 6.325 Control system detalls. 6.326 Spring devices. 6.327 Autorotation control mechanism 6.328 Power boost and power-operated con

trol system.


MISCELLANEOUS FLIGHT REQUIREMENTS Sec. 6.140 Flutter and vibration.

Subpart C—Structure

GENERAL 6.200 Loads. 6.201 Strength and deformation. 6.202 Proof of structure. 6.203 Structural and dynamic tests. 6.203-1 Fixed or ground adjustable sta

bilizing surfaces (FAA policies which apply to $ 6.10 and to

$ 6.203 (b)). 6.204 Design limitations.

FLIGHT LOADS 6.210 General. 6.211 Flight load factors. 6.212 Maneuvering conditions. 6.213 Gust conditions.

CONTROL SURFACE AND SYSTEM LOADS 6.220 General. 6.221 Auxiliary rotor assemblies. 6.221-1 Service life of auxiliary rotor assem

blies (FAA interpertations which

apply to $ 6.221). 6.222 Auxiliary rotor attachment struc

ture. 6.223 Tail rotor guard. 6.224 Stabilizing and control surfaces. 6.225 Primary control systems.

LANDING LOADS 6.230 General. 6.231 Level landing conditions. 6.231-1 Distribution of vertical ground re

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

(b) (2)). 6.232 Nose-up landing condition. 6.233 One-wheel landing condition. 6.234 Lateral-drift landing condition. 6.235 Brake roll conditions. 6.236 Taxying condition. 6.237 Shock absorption tests. 6.240 Ski landing conditions. 6.245 Float landing conditions. 6.246 Tail-wheel type landing gear ground

loading conditions. 6.247

Skid gear ground loading condition.


MAIN COMPONENT REQUIREMENTS 6.250 Main rotor structure. 6.250–1 Service life of main rotors (FAA

policies which apply to $ 6.250

(a)). 6.251 Fuselage, landing gear, and rotor

pylon structure.


6.385 Wheels. 6.336 Brakes. 6.337 Tires. 6.338 Skis


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

PERSONNEL AND CARGO ACCOMMODATIONS 8.350 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.

FIRE PREVENTION 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.

MISCELLANEOUS 6.390 Leveling marks. 6.391 Ballast provisions.

Subpart Equipment

GENERAL Sec. 6.600 Scope. 6.601 Functional and installational require

ments. 6.602 Required basic equipment. 6.603 Flight and navigational instruments. 6.604 Powerplant instruments. 6.605 Miscellaneous equipment. 6.606 Equipment, systems, and installa


Subpart Powerplant Installation

GENERAL Sec. 6.400 Scope and general design. 6.400-1 Powerplant installation components

(FAA interpretations which ap

ply to $ 6.400). 6.401 Engines. 6.402 Engine vibration.

ROTOR DRIVE SYSTEM 6.410 Rotor drive mechanism. 6.411 Rotor brakes. 6.412 Rotor drive and control mechanism

endurance tests. 6.413 Additional tests. 6.414 Shafting critical speed. 6.416 Shafting joints.

FUEL SYSTEM 6.420 Fuel system design and arrange

ment. 6.421 Unusable fuel supply. 6.422 Fuel tank construction and installa

tion. 6.423 Fuel tank detalls. 6.424 Fuel pumps. 6.425 Fuel system lines and attings. 6.426 Valves. 6.427 Strainers. 6.428 Drains. 6.429 Fuel quantity indicator.

OIL SYSTEM 6.440 General. 6.441 Oil tank construction and installation. 6.442 Oil lines and fittings. 6.443 Oil drains. 6.444 Oil quantity gauge.

COOLING SYSTEM 6.450 General. 6.451 Cooling tests.

INSTRUMENTS; INSTALLATION 6.610 General. 8.611 Arrangement and visibility of instru.

ment installations. 6.612 Flight and navigational Instruments. 8.613 Powerplant Instruments.

ELECTRICAL SYSTEMS AND EQUIPMENT 6.620 Installation. 6.621 Storage battery, design and Installa

tion. 6.622 Generator system. 6.623 Master switch. 6.623-1 Load circuit connections with ro

spect to the master switch (FAA

policies which apply to $ 6.623). 6.624 Master switch installation. 6.625 Protective devices. 6.625-1 Automatic reset circuit breakers

(FAA policies which apply to

$ 6.625). 6.625—2 Circuit breakers (FAA policies

which apply to $ 6.625). 6.626 Protective devices installation. 6.627 Electric cables. 6.627–1 Electric cable for power distribution

(FAA policies which apply to

$ 6.627). 6.628 Switches.

LIGHTS 6.630 Instrument lights. 6.631 Landing lights. 6.632 Position light system Installation, 6.633 Position light system dihedral angles. 6.634 Position light distribution and in

tensities. 6.634-1 Overlaps between high intensity

forward position lights (FAA policies which apply to $ 6.634 (b)

(3). 6.635 Color specifications. 6.636 Riding light. 6.637 Anti-collision light system. 6.637–1 Anti-collision light standards (FAA

policies which apply to $ 6.637).

SAFETY EQUIPMENT 6.640 General. 6.641 Flares. 6.642 Flare Installation. 6.643 Safety belts. 6.644 Emergency flotation and signaling



6.460 General. 6.461 Air induction. 6.461-1 Induction system air filters (FAA

policies which apply to 6.461). 6.462 Induction system de-icing and anti

icing provisions. 6.463 Exhaust manifolds.

POWERPLANT CONTROLS AND ACCESSORIES 6.470 Powerplant controls; general. 6.471 Throttle controls. 6.472 Ignition switches. 6.473 Mixture controls. 6.474 Powerplant accessories.

POWERPLANT FIRE PROTECTION 6.480 General. 6.481 Ventilation. 6.482 Shutoff means. 6.483 Fire wall.

Engine cowling and engine compart

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

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