(j) Principles of aircraft navigation, with particular respect to instrument operation.

(k) Use and limitations of sensitive type altimeters, particularly with respect to barometric settings.

(1) Airway and airport traffic control procedures.

4. Aeronautical Experience. Applicant shall

(a) Have served for two years of the four years immediately preceding application as a first or second pilot of a certificated air carrier and have served in connection with the dispatching of air carrier aircraft under the supervision of a certificated aircraft dispatcher in regular service for at least 30 days within the 6 months immediately preceding application; or

(b) Have served in connection with the dispatching of air carrier aircraft under the supervision of a certificated aircraft dispatcher in regular service for at least one year within the two years immediately preceding application; or

(c) Be a graduate of an aircraft dispatcher course and have served. in connection with the dispatching of air carrier aircraft under the supervision of a certificated aircraft dispatcher in regular service for at least 90 days within the 6 months immediately preceding application; or

(d) Have been engaged for at least two of the preceding four years in (1) the technical supervision of aircraft dispatchers or air carrier dispatching systems or (2) the determination of competency or qualifications of aircraft dispatchers.

5. Aeronautical Skill. Applicant shall be able to

(a) Make a reasonably accurate and intelligent analysis of a series of daily weather maps, in accordance with modern methods, and forecast therefrom the subsequent weather conditions pertinent to air carrier flying operations;

(b) Make an accurate and detailed analysis, in accordance with modern methods, of weather conditions prevailing in the general neighborhood of a specified airway from a series of daily weather maps and weather reports, and forecast with a high degree of accuracy subsequent weather trends pertinent to air carrier flying operations, with particular reference to specified terminals;

(c) Be sufficiently familiar with the International Morse Code to be able to receive five words per minute;

(d) Prepare and use charts to determine the most economical fuel consumption settings of an aircraft at given altitudes; and

(e) Dispatch and assist a hypothetical flight under adverse weather conditions.

Section III. Privileges and Limitations

6. Recent Experience Requirements. The holder of an aircraft dispatcher certificate shall not exercise the privileges thereunder unless within the preceding 12 calendar months he has either:

(a) For at least three months,

(1) Served as an aircraft dispatcher; or

(2) Served as first or second pilot in scheduled air carrier operation; or

(3) Been engaged in (1) the technical supervision of aircraft dispatchers or air carrier dispatching systems or (2) the determination of competency or qualifications of aircraft dispatchers; or

(4) Served in any combination of the duties described in Subsections (1), (2), or (3); or

(b) Demonstrated that he is able to meet the standards currently prescribed for the issuance of the certificate and rating.

CHAPTER IX*

PHYSICAL STANDARDS FOR AIRMEN

Physical Standards. The physical standards for airmen shall be as follows:

Section I. First Class

1. Eye. Applicant shall have:

(a) A visual acuity of at least 20/20 in each eye separately without correction: Provided, That if the vision in either or both eyes is not poorer than 20/50 and is brought up to 20/20 or better in each such eye by glasses, the applicant may be qualified upon condition that correcting glasses be worn while exercising the privileges of his airman certificate.

(b) An average depth perception of 30 millimeters or less on a prescribed depth perception apparatus, with or without correction: Provided, That if the depth perception is greater than 30 millimeters without correction, and is corrected to at least 30 millimeters average by glasses, the applicant may be qualified upon condition that such glasses be worn while exercising the privileges of his airman certificate. (c) No diplopia in any meridian within 35° from the point of vision. fixation.

(d) Not more than one diopter of hyperphoria in either eye.

(e) Not more than 10 diopters of esophoria.

(f) Not more than 5 diopters of exophoria.

(g) An abduction of not less than 3 diopters nor more than 15 diopters.

(h) An adduction of 6 or more diopters.

(i) An accommodation of at least V=1.00 at 18 inches with each eye separately without the use of correcting glasses.

(i) Normal color vision.

(k) Normal visual fields.

(1) No acute or chronic pathological condition of either eye or adenexae which may interfere with its proper function, may progress to that degree, or may be aggravated by flying.

2. Ear, Nose, Throat, and Equilibrium. Applicant shall be able to hear the whispered voice at eight feet with each ear separately; shall have no acute or chronic disease of the middle or internal ear; no disease of the mastoid; no unhealed (unclosed) perforations of the eardrum; no disease or malformation of the nose or throat which may interfere with or be aggravated by flying; and no disturbance of equilib

rium.

*This Chapter not discussed in detail by Subcommittee 3 of Committee II. See report of Subcommittee 3, dated Nov. 15, 1944. [Not printed.]

If the hearing acuity for the whispered voice is less than 20 feet in either ear, the applicant shall possess a hearing acuity of at least 50 percent of normal in each ear throughout the effective speech and radio range as demonstrated by a standard audiometer.

3. General Physical Condition. Applicant shall have no organic or functional disease or structural defect or limitation which would interfere with the safe piloting of aircraft, or other duties of his airman certificate.

Reclining blood pressure shall not exceed 135 mm. systolic, nor 90 mm. diastolic.

Applicants 40 years of age or over shall demonstrate a degree of circulatory efficiency compatible with the safe operation of aircraft at high altitudes.

4. Nervous System. Applicant shall have no disease of the mental or nervous system and no abnormality of the personality.

Section II. Second Class

5. Eye. Applicant shall have:

(a) A visual acuity of at least 20/20 in each eye separately without correction: Provided, That if the vision in either or both eyes is not poorer than 20/50 and is brought up to 20/20 or better in each such eye by glasses, the applicant may be qualified upon condition that correcting glasses be worn while exercising the privileges of his airman certificate;

(b) An average depth perception of 30 millimeters or less on a prescribed depth perception apparatus, with or without correction: Provided, That if the depth perception is greater than 30 millimeters without correction, and is corrected to at least 30 millimeters average by glasses, the applicant may be qualified upon condition that such glasses be worn while exercising the privileges of his airman certificate; (c) No diplopia in any meridian within 35° from the point of visual fixation;

(d) Not more than one diopter of hyperphoria;

(e) Properly balanced eye muscles with an abduction of 3 diopters or more and adduction of 6 diopters or more;

(f) Sufficient accommodation to pass a test prescribed by competent aeronautical authority based primarily upon ability to read. official aeronautical maps;

(g) Normal fields of vision; and

(h) No pathology of the eye.

6. Ear, Nose, Throat, and Equilibrium. Applicant shall be able to hear the whispered voice at eight feet with each ear separately; shall have no acute or chronic disease of the middle or internal ear; no disease of the mastoid; no unhealed (unclosed) perforations of the eardrum; no disease or malformation of the nose or throat which may interfere with or be aggravated by flying; and no disturbance of equilibrium.

7. General Physical Condition. Applicant shall have no organic or functional disease or structural defect or limitation which would interfere with the safe piloting of aircraft, or other duties of his airman certificate.

8. Nervous System. Applicant shall have no disease of the mental or nervous system and no abnormality of the personality.

Section III. Third Class

9. Eye. Applicant shall have:

(a) A visual acuity of at least 20/50 in each eye separately without correction: Provided, That if the vision in either or both eyes is poorer than 20/50 and is brought up to 20/30 or better in each such eye by glasses, the applicant may be qualified upon condition that such glasses be worn while exercising the privileges of his airman certificate.

(b) An average depth perception of 30 millimeters or less on a prescribed depth perception apparatus, with or without correction: Provided, That if the depth perception is greater than 30 millimeters without correction, and is corrected to 30 millimeters average by glasses the applicant may be qualified upon condition that such glasses be worn while exercising the privileges of his airman certificate. (c) No diplopia unless corrected by glasses in which case such glasses shall be worn while exercising the privileges of his airman certificate.

(d) No serious pathology of the eye.

10. Ear, Nose, Throat, and Equilibrium. Applicant shall be able to hear the whispered voice at three feet; shall have no acute or chronic disease of the internal ear; no disease or malformation of the nose or throat which may interfere with or be aggravated by flying; and no disturbance of equilibrium.

11. General Physical Condition. Applicant shall have no organic or functional disease or structural defect or limitation which would interfere with the safe operation of aircraft, or other duties of his airman certificate.

12. Nervous System. Applicant shall have no disease of the mental or nervous system and no abnormality of the personality.

Section IV. Waiver of Physical Standards

13. Waiver. An airman certificate may be issued to an applicant who does not meet the appropriate physical standards if in the opinion of competent aeronautical authority his aeronautical experience, ability, and judgment compensate for his physical deficiency, He may be limited as to type of operation, type of aircraft, or period of reexamination: Provided, That this shall not apply to applicants for the original issuance of an airline transport pilot certificate.

ANNEX F

LOG BOOK REQUIREMENTS

SECTION I

Journey Logs

1. Data Required. A log book shall be kept in each aircraft which records the movement of the aircraft with respect to geographical locations. All places, dates, and times of departure and arrival, and such other information as may be internationally agreed shall be recorded in the log book in ink or indelible pencil.

2. Filing. Journey log books will be retained either in the aircraft or at the aircraft base for such a period as to insure that at all times a continuous record of either the immediately preceding two years' operations or a continuous record of the aircraft's full previous history, whichever is the shorter, is available.

SECTION II

Aeronautical Radio Logs

3. Register (Radio Service Log). At each aeronautical and aircraft radio station there shall be a register (radio service log) maintained in accordance with the General Radio Regulations (Čairo Revision). 4. Filing. Radio station and message logs shall be retained on file for at least 90 days.

SECTION III

Aircraft and Aircraft Engine Logs

5. General Requirements. The registered owner shall be responsible for the maintenance of a log book for the aircraft, a log book for each engine installed therein, and a log book for each propeller. Such log book shall be current, accurate, legible, and a permanent record. The aircraft log book shall contain an operating history of the aircraft which shall include reports of periodic or other inspections, minor repairs and minor alterations of the aircraft structure, instruments, and accessories. Each engine log book shall contain an operating history of the aircraft engine to which it pertains, and shall include reports of periodic or other inspections, minor repairs and minor alterations of the aircraft engine, instruments, and accessories.

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