Title
Aviation security and airport operations
Law
Letter Of Instructions No. 961
Decision Date
Nov 22, 1979
The Philippine Jurisprudence case highlights the responsibilities of the Aviation Security Command (AVSECOM) in protecting the airline industry and ensuring airport operations, while also emphasizing the prohibition of entry for certain personnel and the minimization of firearms display.

Law Summary

Scope of AVSECOM Operations

  • AVSECOM's role is strictly limited to security functions.
  • It shall not interfere with airport management.
  • AVSECOM shall not engage in enforcement or supervision of customs, immigration, and quarantine activities.

Deployment and Presence of AVSECOM Personnel

  • AVSECOM is directed to withdraw from the Manila International Airport (MIA) Terminal Building.
  • Despite withdrawal, it must maintain Reaction units in alert stations ready to respond swiftly to emergencies.
  • The unnecessary display of firearms and the exposure of uniformed personnel to the public should be minimized.
  • Exception is allowed for technicians operating security devices monitoring passengers and cargo.

Restrictions on Other Personnel in Arrival and Departure Areas

  • Law enforcement, intelligence, customs, immigration, and quarantine personnel are prohibited from being in arrival and departure areas unless actively performing their official duties.

Coordination and Implementation

  • The directives are issued in coordination with multiple key government offices including the Ministry of National Defense, Finance, Justice, AFP Chief of Staff, and NISA Director General.
  • This framework supports the implementation of the earlier Letter of Instructions No. 399.

Legal Authority and Enactment

  • The instructions were promulgated by the President of the Philippines, Ferdinand E. Marcos, on November 22, 1979, in Manila.
  • The document serves as a directive to define and limit the roles and responsibilities of airport security and related personnel to enhance aviation security without compromising the operational integrity of the airports.

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