Rubani huyo mwanamke alitangaza kwamba ndege itafika mapema.

In Swahili, the subject is usually built into the verb.
Alitangaza breaks down as:

• a- = he/she (3rd person singular, human)
• -li- = past tense
• tangaza = announce

So alitangaza already means he/she announced. The fact that the pilot is female comes from mwanamke, not from a separate word meaning she.

Because rubani refers to a person. In Swahili, nouns referring to humans normally take class 1/2 agreement, even if the noun itself does not have the typical m-/wa- shape.

So you get:

• rubani huyo = that pilot
• rubani alitangaza = the pilot announced

not non-human agreement.

Mwanamke means woman, and here it is being used to specify that the pilot is female.

This is important because rubani by itself is gender-neutral: it can mean pilot whether male or female. If you want to make the sex explicit, you can add:

• mwanamke = woman / female
• mwanamume = man / male

So rubani huyo mwanamke means something like that pilot, the woman or more naturally that female pilot.

Not really. It is a noun, not a regular adjective.

Swahili often uses a noun after another noun to add identifying information. So instead of using a special adjective form for female, it can simply use the noun mwanamke.

That is why this feels a bit more like pilot woman literally, even though the natural English meaning is female pilot.

These are different demonstratives:

• huyu = this person
• huyo = that person
• yule = that person over there / more distant

So huyo is the normal choice for that pilot in many contexts.

The exact choice can depend on physical distance or discourse context, but for a learner, the basic contrast is:

• huyu = this
• huyo = that
• yule = that over there

Because those are two different kinds of that in English.

• that pilot: here that is a demonstrative, pointing to a person
  → Swahili uses huyo
• announced that the plane...: here that introduces a whole clause
  → Swahili uses kwamba

So although English uses the same word, Swahili separates the two meanings clearly.

Kwamba introduces the reported statement, like English that in announced that...

So:

• alitangaza kwamba... = announced that...

It signals that what follows is the content of the announcement.

You may also see other ways of linking clauses in Swahili, but kwamba is a very common and clear choice after verbs like say, announce, explain, and similar verbs.

Because ndege takes class 9 agreement in the singular.

Itafika breaks down as:

• i- = class 9 singular subject marker
• -ta- = future tense
• fika = arrive

So itafika means it will arrive.

This is a very useful pattern to notice because ndege can be singular or plural in form. The agreement helps show the number:

• ndege itafika = the plane will arrive
• ndege zitafika = the planes will arrive

It can mean either one.

• ndege = bird
• ndege = airplane / aircraft

Context tells you which meaning is intended. In this sentence, because we have rubani and an announcement about arrival, the natural meaning is airplane.

Here mapema means early or earlier than expected.

Depending on context, mapema can also mean:

• early in time
• soon
• ahead of schedule

In this sentence, the most natural sense is that the plane will arrive early / ahead of schedule.

Yes. Swahili normally puts the main noun first, and modifiers or identifying words come after it.

So instead of English-style that female pilot, Swahili naturally uses a sequence like:

• rubani = pilot
• huyo = that
• mwanamke = woman / female

A helpful habit for English speakers is to expect much more post-noun information in Swahili. The descriptive material often comes after the noun rather than before it.