Airplane Noise Reduction on Audio

I need an experienced audio engineer to edit an MP3 recording. The task is to remove background ambient noise from a recording that was done inside an aircraft with two pilots communicating with each other. I need to remove this background noise so I can hear the spoken words.

Requirements:
- Background noise removal
- Audio enhancement
- Deliver in MP3 format

Ideal Skills and Experience:
- Proficiency in noise reduction software
- Experience with similar audio editing tasks
- Attention to detail for clear output

Recording duration: 30 minutes to 1 hour.