ENC audit report — EXAMPLE (fictive data)

Not tested:

This is a FICTIVE example generated for the ENCoreGIS user manual. The findings are illustrative only — not the result of a real audit.

Source: (example) U5 Zeeland Inland ENC exchange set

Cells: 1R56I8O6, 1R5568I6, 1R55C806

Profile: ENCoreGIS example profile · IHO S-58 8.0.0 / UOC 4.4.0

Generated: 2026-06-27 21:36 UTC

Inland ENC FCs used (per PRED):
edition 2.4 → IENC_FC_24.xml (PRED 2.4, 2 cell(s); 160 classes, 210 attrs)
edition 2.3 → IENC_FC_23.xml (PRED 2.3, 1 cell(s); 150 classes, 200 attrs; older cell, routed to its own FC)

Coding / edition: Inland ENC (3) · edition (PRED) 2.3, 2.4

Per-cell coding & edition (3 cells)

Cell	Product	PRSP	Edition (PRED)	Cell edn (EDTN)	Issued (ISDT)	Agency (AGEN)
1R56I8O6	Inland ENC	10	2.4	3	20260401	1R
1R5568I6	Inland ENC	10	2.4	2	20260401	1R
1R55C806	Inland ENC	10	2.3	5	20251101	1R

checks run

passed

failed

alerts

could not run

findings

Critical checks (8 in scope, 1 flagged)

Status	Check	S-58	Findings
FAIL	object-catalogue/attribute-not-permitted-on-feature-object-class Attribute not permitted on feature object class.	547	1
	1R56I8O6 · LIGHTS · fid 4471 — LNAM 1F2B027932D20001 — light 'Westkapelle' Solution: Remove attribute.
PASS	allowable-attribute-values/more-than-one-value-present-for-a-single-valued-attribute More than one value present for a single-valued attribute (enumerated, float, integer or code-string).	1679	0
PASS	data-structure/geometric-primitive-of-this-type-is-not-permitted-for-this Geometric primitive of this type is not permitted for this object class.	20a	0
PASS	enc-product-specification/mandatory-meta-object-is-missing-m-covr-m-nsys-and-m-qual Mandatory meta object is missing (M_COVR, M_NSYS and M_QUAL required).	505	0
PASS	enc-product-specification/prohibited-attribute-has-been-encoded Prohibited attribute has been encoded.	511	0
PASS	enc-product-specification/prohibited-object-class-exists-within-the-dataset Prohibited object class exists within the dataset.	504	0
PASS	enc-product-specification/skin-of-the-earth-object-is-not-encoded-as-group-1 Skin-of-the-earth object is not encoded as Group 1.	518a	0
PASS	object-catalogue/date-attribute-not-formatted-according-to-iso-8601-1988 Date attribute not formatted according to ISO 8601:1988.	1515a	0

Alert checks (1 in scope, 1 flagged)

Status	Check	S-58	Findings
ALERT	enc-product-specification/meta-object-encoded-lowercase * Mandatory meta object is encoded with its lower-case Inland-ENC class code instead of the standard upper-case class.	505a	1
	1R56I8O6 · M_NSYS · fid 3 — meta object encoded lowercase as 'm_nsys' Solution: Re-encode the meta object using its standard upper-case object class.

Error checks (8 in scope, 1 flagged)

Status	Check	S-58	Findings
FAIL	allowable-attribute-values/attribute-value-is-not-a-valid-code-for-this-attribute Attribute value is not a valid code for this attribute.	2000d	2
	1R5568I6 · DEPARE · fid 210 — depth area near 51.49N 3.58E 1R5568I6 · DEPARE · fid 214 — depth area near 51.50N 3.60E Solution: Remove disallowed attribute value.
PASS	enc-product-specification/nobjnm-is-populated-without-objnam NOBJNM is populated without OBJNAM.	522	0
PASS	enc-product-specification/numeric-value-padded-with-non-significant-zeroes-e-g-02-500 Numeric value padded with non-significant zeroes (e.g. 02.500 instead of 2.5).	512	0
PASS	logical-consistency/datend-is-less-than-or-equal-to-datsta DATEND is less than or equal to DATSTA.	46	0
PASS	logical-consistency/drval2-is-less-than-drval1 DRVAL2 is less than DRVAL1.	49	0
PASS	logical-consistency/object-has-identical-values-of-persta-and-perend Object has identical values of PERSTA and PEREND.	568	0
PASS	object-catalogue/date-attribute-not-formatted-according-to-iso-8601-1988 Date attribute not formatted according to ISO 8601:1988.	1515b	0
PASS	object-catalogue/timend-or-timsta-is-not-formatted-correctly TIMEND or TIMSTA is not formatted correctly.	1517	0

Warning checks (8 in scope, 1 flagged)

Status	Check	S-58	Findings
FAIL	logical-consistency/attribute-value-contains-leading-or-trailing-spaces Attribute value contains leading or trailing spaces.	73a	1
	1R5568I6 · BOYLAT · fid 88 — lateral buoy 'SG-12' Solution: Remove leading or trailing spaces.
PASS	data-structure/node-coordinate-count-unexpected An isolated or connected node does not carry exactly one coordinate.	S57.NODE.COORD	0
PASS	enc-product-specification/duplicate-foid-exists-within-the-dataset Duplicate FOID exists within the dataset.	503	0
PASS	enc-product-specification/national-language-attribute-is-identical-to-its-base-attribute National-language attribute is identical to its base attribute.	521	0
PASS	logical-consistency/area-object-with-watlev-2-always-dry-is-not-covered-by-a-lndare Area object with WATLEV = 2 (always dry) is not covered by a LNDARE.	1786	0
PASS	logical-consistency/cblsub-is-within-or-crosses-a-lndare CBLSUB is within or crosses a LNDARE.	60	0
PASS	logical-consistency/list-attribute-value-contains-spaces List attribute value contains spaces.	73b	0
PASS	object-catalogue/cblare-object-overlaps-a-lndare-object CBLARE object overlaps a LNDARE object.	1500a	0

* Attention: 1 check(s) marked with an asterisk (*) were implemented from the S-58 document but are not yet validated against an official S-58 test dataset. Treat their findings as provisional pending that validation.

Kind regards from
teamScheepvaart | Rijkswaterstaat CIV IGA DOA

Sail the seven seas in peace