Every entry on DA Form 4178 exists because a record system needs it in writing. The form's official title is FACILITIES ENGINEERING OPERATING LOG (SEWAGE-SUPPLEMENTARY), and it is raised whenever an office must facilities engineering operating log (sewage-supplementary) in a way that survives the departure of everyone involved. Memory does not transfer between assignments; a filed document does. The edition dated 10/01/1973, status ACTIVE, is what stands here, spread across unknown page(s) and about unknown fields — a count that reflects how much detail the receiving system requires, not how much the drafter wishes to give.
Behind any Army form sit two separate decisions. What the document asks is settled by G-9, which maintains and revises it. Whether you raise it, and where it goes once signed, is settled by AR 420-1. That division is the reason a form can outlive several changes in the process it serves.
The heading blocks come first because the record is retrieved by them, not read into. Name as official records spell it, identification number, unit, date of preparation — those four are the index, and everything below them is content that only surfaces once the index has done its work. A form filed under a name written casually is not lost in principle, only in practice, which amounts to the same thing.
Much of the form's behaviour follows from its being a fixed page. Tab order was set at build time along the reading sequence, which is why tabbing catches boxes a pointer passes over. Exclusive groups release one choice when another is made because a record cannot carry two answers to a single question. Single-line fields refuse to wrap because every entry must print where the layout expects it — text beyond the width is lost at the margin, visible on screen to the end. That is what remarks areas and continuation sheets are for. Marking a field that does not apply matters for a related reason: emptiness is ambiguous, and a reviewer reading the file later cannot distinguish an omission from a decision.
The signature is the point at which entries become an assertion someone stands behind, so it follows everything else and its absence leaves a draft. Countersignatures by reviewing, approving or witnessing officials each carry their own weight and are dated at signing, which is how the file preserves the order of responsibility. Seen that way, the familiar errors are not clerical trivia: an unanswered mandatory field, digits transposed in an identification number, day and month reversed, and residue from a reused file each put something false or unresolved into a document that will be relied upon.
The Privacy Act statement is on the page because collecting personal information requires the collector to disclose the terms first — the authority relied on, the purpose, the routine uses, and whether an answer is required or may be withheld. That order is the point: the statement is read before the entries it governs, since consent given afterwards is not consent. Once completed, the copy is a personal record and carries the handling obligations that attach to one.
Download the form
The published formats — none published here — reflect the range of places a form gets filled in. Where there is a computer, the fillable pdf supplies live fields that keep entries positioned and readable. Where there is not, the printable pdf gives the identical page as flat artwork for pen entry. The distinction is one of setting rather than of authority; the page is the same document in both.
Software determines whether an entry lasts. A browser viewer is designed for reading, and several will take typed input into fields without any means of writing it back — the text is simply absent when you reopen. A standalone reader handles the form structure properly.
There is no charge and no sign-up. Published documents are distributed as published, without modification.
Disposition is prescribed, not chosen. AR 420-1 names the destination, whether that is a specific office, the unit administrative channel or the personal record, and the applicable records schedule governs how long it survives there. Both rules exist to keep the file consistent across offices with different habits. Take your copy before the document leaves, since it will not come back.
Related documents are located by series and number, and the relation is rarely accidental — forms under one proponent or one directive tend to serve steps of a single procedure. Anything the DA series form names on its face normally travels with it, as do the continuations, covers and transmittals the process generates. Assembling them together is what makes the submission a complete account.
Revision follows the process, which is why editions appear without a fixed interval, and the printed date rather than any version number identifies them. Nothing on a stored copy signals that it has aged; the check is manual. Work already completed under a superseded edition stands as filed, because the record was made under those terms and is properly interpreted under them.
A word on where this page sits. These are reproductions of published Department of the Army documents, made available by an independent site with no official role and no authority to issue forms. The structure described above — proponent, prescribing directive, records schedule — exists apart from this site entirely, which is why nothing written here is legal advice and why acceptance by any office is not something that can be promised. Put questions of entry, requirement or eligibility to G-9 or to the administrative office servicing your unit.
Questions and answers
- What is DA Form 4178?
- FACILITIES ENGINEERING OPERATING LOG (SEWAGE-SUPPLEMENTARY)
- Which edition is current?
- 10/01/1973
- Who is responsible for this form?
- G-9
- In which formats can it be downloaded?
- No file published here