If it's a heading or title, it could say "Airplane crashes in Pakistan," but we wouldn't use it as a complete sentence. Otherwise I'd agree with Clair. You'd want to change it to "An airplane has crashed in Pakistan" to use the present perfect tense. To make it past tense, you'd say "An airplane crashed in Pakistan." If you want to say "has been," you'd have to change the verb. "An airplane has been destroyed in a crash in Pakistan" would work.

No, to use this sentence using the present perfect, you should say, " An airplane has crashed in Pakistan". Also I would like to make a couple more corrections, the first is....In a book I read, the second is..... Is this sentence correct. Also always use a capital letter for the pronoun "I". Hope it helps!