Quick answer
India is the code word for I. Its flag has a yellow field with a black circle. As a single-letter signal it means “I am altering my course to port.” See NGA Publication 102.
| Item | Recorded detail |
|---|---|
| Letter and code word | I — India |
| Recognition pattern | Yellow field with a black circle |
| Morse representation | Two dots (··) |
| Hoist:fly ratio | No numerical manufacturing requirement established here |
| Circle dimensions | No dimensioned construction specification verified |
| Colour standards | No physical colour standard or authoritative digital values verified |
Construction and evidence limits
The official recognition chart identifies the colour arrangement; it is not treated here as a dimensioned manufacturing drawing. Exact proportions and circle geometry must not be inferred by measuring that illustration.
No common-manufacture dimensions have been verified. Screen colours would be approximations, and any newly drawn construction would require an editorial-reconstruction label.
Historical context
IMCO adopted the revised International Code of Signals on 27 September 1965 through Resolution A.80(IV). Its proposed 1 January 1968 commencement was conditional on telecommunications concurrence and necessary amendments. NGA’s preface records 1 April 1969 as the effective date of its 1969 edition. These are Code milestones, not verified dates for the first appearance of India’s flag design.
Related records
Compare International Code Flag Echo. The national Flag of India has its own separate record.