Chap. BRadio Communications Section:
pt. 2 Communication operating procedure relative to emergencies and accidents, effective Apr. 15, 1942. [1942.] cover title, [2] +28 p. 4° [Supersedes chap. B, pt. 2, effective Jan. 1, 1940, and all amendments thereto.]
pt. 3 Preparation, distribution, and posting of notices to airmen, amdt. 1, revised effective Sept. 15, 1941. [1941.] [1] +2 + 13-18+21-33 p. 4° Same, amdt. 2, revised effective Feb. 15, 1942. [1942.] [3] +4-7 + 27-36 p. 4°
pt. 4, sec. 1. [Abbreviations and phrase contractions] amdt. 1 [revised effective Mar. 1, 1942. [1942.] [1] +7-12 + 25-30 + 33-34 + 55-60 p. 4°
pt. 4, sec. 2. List of identifications [effective Feb. 1, 1941]. [1941.] cover title, [1] + 42 p. 4° [Supersedes chap. B, pt. 4, sec. 2, effective July 1, 1939, and all supplements thereto.]
Same, supp. 1, Apr. 15, 1941. [1941.] 3 leaves, 4°
Same, supp. 2, Aug. 1, 1941. [1941.] 3 leaves, 4°
Same, supp. 3, Sept. 5, 1941. [1941.] 3 leaves, 4°
List of Identifications and radio call letters, effective Feb. 15, 1942. [1942.] cover title, [2] +61 p. 4° [Supersedes chap. B, pt. 4, sec. 2, effective Feb. 1, 1941, and all supplements thereto.]
pt. 4, see. 3. ["Q" signal abbreviations] amdt. 3, revised effective Mar. 1, 1941. [1941.] [2] leaves + 17-18 p. 4°
pt. 6, sec. 1. Distribution of meteorological information, schedule A, effective Sept. 15, 1941. [1941.] [3] +39 p. 4°
Same, amdt. 1 [revised Feb. 20, 1942]. [1942.] [1]+31-34a p. 4°
Same, Schedule A, teletype system, effective Mar. 15, 1942. [1942.] cover title, [1] +56 p. 4° [Supersedes chap. B, pt. 6, sec. 1, Sept. 15, 1941, and any conflicting instructions of prior date.]
pt. 6, sec. 3. Distribution of meteorological information, schedule C, effective Sept. 15, 1941. [1941.] [1]+58 p. 4° [Supersedes any previous instructions pertaining to distribution of APOB-RAOD reports, PIBAL reports, 6-hourly weather M reports, 3-hourly (3M) reports, coded sequence reports (MT), Air mass and frontal analysis reports (AMAFA), and distribution of airway and State forecasts.]
Same, amdt. 1 [revised Feb. 20, 1942]. [1942.] [1] p. + p. 10 + 27-28a, 4°
Chap. CAirway Traffic Control Section:
pt. 1 Standard airway traffic control procedures and practices, effective Dec. 1, 1941. [1941.] [5]+33 p. 4°
Same, amdt. 1, revised effective May 1, 1942. [1942.] [1] +33-34 p. 4°
Chap. DAirport Traffic Control Section:
pt. 1 Standard airport traffic control procedures, effective Oct. 1, 1942. [1942.] cover title, [3] +35 p. il. 4°
Same, amdt. 1, revised effective Oct. 1, 1942. [1942.] [1] +31-32 p. 4°
Same, supplement, with title. Standard approach control procedures, effective Oct. 1, 1942. [1942.] cover title, [2] + 15 p. il. 4°