Hello Dear Hiring Manager, This is Deepan a professional Web Scrapper and I have understood your project description very well, so I am confident that I will finish your project within 4 to 5 days of project acceptance with 100% accuracy and quality. I will give guarantee you that my research with be 100% accuracy with my own organic research for your aircraft spreadsheet with accurate data for each aircraft with its correct units/measurement that you have mentioned in your project description. I have had done others projects that are similar to yours and have got quality feedback, so if you are looking for 100% accuracy and quality then you can hire me for just $80. Remember, my work will be 100% accurate with 100% quality date from the internet, so please don't hesitate to contact me with any further details or updates! Thanks, looking forward on working with you. Deepan!