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Any book or article can be written with either personified (first-person) or non-personified narration. You just have to select one way or the other. Typically, reader can tell from the very start...
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#3: Attribution notice added
Source: https://writers.stackexchange.com/a/47806 License name: CC BY-SA 3.0 License URL: https://creativecommons.org/licenses/by-sa/3.0/
#2: Initial revision
Any book or article can be written with either personified (first-person) or non-personified narration. You just have to select one way or the other. Typically, reader can tell from the very start if the author presents him/her self or not, and whether the entire book or article is written through the prism of a personal experience. If your situation, it may be odd if you cover most of the book in a dry third-person narration, and then start extensively using "I". Thus, you probably would want to introduce yourself to the reader at the very beginning, and describe how you personally connected to the airport. But maybe this narrative shift is exactly what you want, and this change of narration would be similar to breaking the "[fourth wall](https://en.wikipedia.org/wiki/Fourth_wall)".