Prince William will reportedly go part-time with the RAF, so he can take on more Royal duties.
The 30-year-old works as a search-and-rescue helicopter pilot with his tour of duty ending next year.
However, cutting back his hours may not go down well with his colleagues as it is not usually allowed.
A source told Now magazine: "One serious option is for William to become a flying instructor.
"As long as his flying reports are good enough he could train pilots. This would keep his flying time up and give him more flexibility for royal duties."
They added: "It could be a problem with officers who want to leave early. We don't want others demanding the same treatment."
Prince William had to miss the Olympic closing ceremony because he was required back at base.
A St James's Palace spokesman told the Daily Mirror: "The duke's tour of duty is due to end mid-2013.
"The options he has are to undertake another tour with the Search and Rescue Force; undertake alternative duties in another area of the Armed Forces or undertake full-time royal duties."
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