A REVIEW OF THE SKYJACKING THREAT, GOVERNMENT INVOLVEMENT, AND SECURITY REGULATIONS AND PROGRAMS IS FOLLOWED BY AN EXAMINATION OF AIRCRAFT AND SECURITY MEASURES, INCLUDING PREDEPARTURE SCREENING, LAWS AND SCREENING, METAL DETECTORS AND X-RAYS, BAGGAGE AND CARGO RISKS, AND BOMB THREAT PROCEDURES. CHAPTERS DEALING WITH AIRPORT SECURITY COVER PERIMETER PROTECTION, IDENTIFICATION, TERMINAL AND RAMP SECURITY, CONTINGENCY PLANNING, AND SPECIAL PROBLEMS OF GENERAL AVIATION. INVESTIGATION MANAGEMENT, TICKET AND CREDIT CARD FRAUD, BAGGAGE HANDLING, AND INTERNAL THEFT ARE CONSIDERED IN A DISCUSSION OF AIRLINE SECURITY. THE FINAL SECTIONS ON AIR FREIGHT SECURITY DETAIL, PHYSICAL SECURITY, CARGO HANDLING, HIGH VALUE SHIPMENTS, THEFT INVESTIGATION, AUDITS AND SURVEYS, AND EFFECTIVE MANAGEMENT. AN INDEX IS PROVIDED. (AUTHOR ABSTRACT MODIFIED) (SNI ABSTRACT)