MOP, Bk 3, v.4, 274
“I. NATIONAL AIRPORTS:2. This Order shall take effect on January first, nineteen hundred and thirty-eight.
(1) LanaoCamp Keitley (Dansalan) Landing Field(2) SuluJolo Landing Field(3) ZambalesIba Landing Field
“II. NATIONAL EMERGENCY LANDING FIELDS:
(1) AgusanBancase (Butuan) Landing Field(2) LanaoMalabang Landing Field(3) PalawanCulion Landing Field(4) SamarBorongan Landing Field
Catarman Landing Field”