Frequently asked questions.
Q. I just received notice of Cessna service letter SEB00-9. Does the Visual Instruments system accomplish the same?
Yes. Our system replaces either the A.C. Spark Plug, the Stewart Warner or the
Q. Why can I not label my old indicator “inoperative” and look over my shoulder to see what position my flaps are in?
A. FAR Part 91.213 allows you to operate an airplane with some inoperative instruments and equipment. Along with other instruments the flap position indicator is a required instrument and cannot be labeled “inoperative”.
Q. Will I need any other parts to complete the system?
A. No. All the parts required are in the kit, the transmitter, the display assembly, the hardware kit and all the instructions and STC paperwork.
Q. Is there any airframe modification required to install this system?
A. No, just remove the old Transmitter and Indicator and replace with the Visual Instruments Transmitter and Display.
Q. Can I replace just the indicator in my airplane?
A. No. Our indicator is not compatible with any of the Cessna transmitters.
When Cessna introduced the
electric flap system the first indicators were manufactured by A.C. Spark
Plug. Cessna later (around 1965)
switched to an indicating system manufactured by Stewart Warner. These two systems were not compatible with
each other (see Cessna service letter SE70-12 dated
Q. How do I buy a Visual Instrument Flap Position Indicator and what is the price?
A. Click on the order form on our home page, fill it out, be sure to sign it, then fax it to 918-517-3007 or call us at 918-298-7787. The price for the entire system is $749.00 plus shipping & handling.
Q. Where are Visual Instruments Flap Indicator Systems and Voltage Monitors manufactured?
Visual Instruments products are MADE IN THE U.S.A. in