  The advent of ChatGPT and GPT-4 has captivated the world with large language
models (LLMs), demonstrating exceptional performance in question-answering,
summarization, and content generation. The aviation industry is characterized
by an abundance of complex, unstructured text data, replete with technical
jargon and specialized terminology. Moreover, labeled data for model building
are scarce in this domain, resulting in low usage of aviation text data. The
emergence of LLMs presents an opportunity to transform this situation, but
there is a lack of LLMs specifically designed for the aviation domain. To
address this gap, we propose AviationGPT, which is built on open-source LLaMA-2
and Mistral architectures and continuously trained on a wealth of carefully
curated aviation datasets. Experimental results reveal that AviationGPT offers
users multiple advantages, including the versatility to tackle diverse natural
language processing (NLP) problems (e.g., question-answering, summarization,
document writing, information extraction, report querying, data cleaning, and
interactive data exploration). It also provides accurate and contextually
relevant responses within the aviation domain and significantly improves
performance (e.g., over a 40% performance gain in tested cases). With
AviationGPT, the aviation industry is better equipped to address more complex
research problems and enhance the efficiency and safety of National Airspace
System (NAS) operations.
