DA FORM 4640 Fillable – Army Pubs 4640 PDF

DAFORMFILLABLE.COM | DA FORM 4640 Fillable – Army Pubs 4640 PDFDA FORM 4640 is a critical document used by the United States Army for maintaining records on harbor boat operations. Specifically designed for Class A&B vessels, this form ensures comprehensive documentation of various deck department activities, contributing to effective maritime management and operational efficiency. Issued on September 1, 2002, the form remains active and is integral to Army regulation AR 56-9.

DA FORM 4640 – Harbor Boat Deck Department Log For Class A&B Vessels

Form Number DA Form 4640
Form Title Harbor Boat Deck Department Log For Class A&B Vessels
Form Date 09/01/2002
Form Proponent G-4

Purpose of DA FORM 4640

The Harbor Boat Deck Department Log serves multiple purposes, including:

  • Recording daily activities: This form is essential for documenting daily operational tasks performed by the deck department of harbor boats.
  • Tracking vessel movements: It helps in keeping an accurate log of the movements and activities of Class A&B vessels.
  • Ensuring compliance: By maintaining this log, vessels adhere to regulatory requirements and ensure readiness for audits or inspections.

Structure and Components of DA FORM 4640

Section 1: Vessel Identification

This section includes detailed information about the vessel, such as:

  • Vessel name
  • Classification (Class A or B)
  • Home port

Section 2: Operational Log

The operational log is the core component of DA FORM 4640 and includes:

  • Date and time entries: Precise recording of date and time for each operational event.
  • Description of activities: Detailed descriptions of all activities performed by the deck department.
  • Crew member details: Information about the crew members on duty during each recorded activity.

Section 3: Movement Log

In this section, the movements of the vessel are meticulously documented, covering:

  • Departures and arrivals: Time and location of each departure and arrival.
  • Navigational details: Route taken, weather conditions, and any navigational challenges encountered.

Section 4: Maintenance and Inspections

Regular maintenance and inspections are crucial for the operational integrity of harbor boats. This section includes:

  • Maintenance performed: Detailed records of all maintenance activities carried out.
  • Inspection reports: Logs of routine and special inspections, including findings and corrective actions taken.

Compliance and Regulatory Aspects

AR 56-9 Directive

The DA FORM 4640 is prescribed under Army Regulation (AR) 56-9, which governs watercraft operations within the Army. Compliance with this directive ensures:

  • Standardized record-keeping: Uniformity in the documentation of harbor boat operations across different units.
  • Operational readiness: Enhanced readiness and reliability of vessels through consistent maintenance and inspection logs.

Distribution and Accessibility

The form is classified as UNCLASSIFIED, making it approved for public release with unlimited distribution. This ensures that all relevant personnel have access to the form and can utilize it effectively in their operational duties.

Importance of Accurate Documentation

Accurate and detailed documentation in DA FORM 4640 is vital for:

  • Operational efficiency: Helps in planning and executing maritime operations smoothly.
  • Historical records: Provides a historical account of vessel operations, useful for analysis and future planning.
  • Legal and regulatory compliance: Ensures that the vessel operations comply with Army regulations and other maritime laws.


DA FORM 4640 – Harbor Boat Deck Department Log For Class A&B Vessels is a pivotal tool for the U.S. Army’s maritime operations. By meticulously recording all deck department activities, vessel movements, and maintenance, this form ensures operational excellence and regulatory compliance. Its role in enhancing the efficiency and reliability of harbor boat operations underscores its importance in the Army’s logistical framework.

For those involved in managing or operating Class A&B vessels, a thorough understanding and diligent use of DA FORM 4640 are essential for maintaining the highest standards of maritime operations.

DA FORM 4640 Fillable – Army Pubs 4640 PDF DOWNLOAD

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