### Question
How is the term proficiency flying duty defined?


### Answer
The term **proficiency flying duty** is defined in *37 U.S.C. § 301a* as the following:

> flying performed under competent orders by rated or designated members while serving in assignments in which such skills would normally not be maintained in the performance of assigned duties

#### Citation:
  - *37 U.S.C. § 301a*
  - Heading: **CHAPTER 5-SPECIAL AND INCENTIVE PAYS > SUBCHAPTER I-EXISTING SPECIAL PAY, INCENTIVE PAY, AND BONUS AUTHORITIES**

