Use of Maneuvering Vent

 

Objective

 

�       To develop the student's skill in the operation of the vent

 

Elements

 

�       Use of the vent for altitude control and landing

�       Safety factors using the vent

 

Equipment

 

�       Balloon Flight Manual

�       In-flight maneuver

 

Instructor’s Actions

 

�       Discuss limitations and proper operation of vent in Balloon Flight Manual

�       Demonstrate use of vent emphasizing maximum permissible opening

�       Only allow the student to hold the vent line in hand when on final low level approach or under direct supervision of instructor. (Do not assume that a student will completely release the vent line in-flight or on the ground after normal operation.)

�       Discuss envelope throat closure as a result of over-venting or wind shear and the remedy to open the throat

 

Student’s Actions

 

�       Pre-flight review of balloon Flight Manual

�       Perform venting maneuvers as requested

 

Completion Standards