+ DUAL (2) Bright Displays showing GPH, all the time. Brand-X’s FP-5L has one LCD display, (gray on gray) showing either-or type situation
FP-5L/FP-5 is NOT TSO’d, display turns black at TSO temperatures. FS-450 passed TSO-C44b and Operated at -67 °F to +180 ‘9F

+ FAA TSO for Reliability and Accuracy, a 3 year warranty.
+ Talks to all GPS’s including Garmins 430/530 and all handheld’s etc. Displays gallons required to next waypoint or destination at no additional cost. FP-5L does not report “gallons to destination”. FP-5L does not work with a “handheld” GPS.
+ Programmable display for Gallons, Pounds, Liters. No imperial gallons .
+ Remote “Warning Light” programmable with Low fuel and low time warning.
+ Automatically calculates K- factor for excellent 1% accuracy
+ Return line systems (Pressure Carburetor) and gravity flow, no problem.
+ Clock size, 1.5″ deep, 3 1/8″ hole, 5.0 oz. wt.,
Transducer 3 oz. wt.

• TSO’d for use in turbo-prop aircraft.
+ When your, El, Hoskins, or Shadin fails upgrade it to destination an FS-450 using old transducer.
+ Automatic reminder (flashing digits) to update Fuel added. Fuel added Can be set after take-off not possible with the FP-5L/FP-5
+ “USED” Total fuel used can be set to zero at any time during flight.
+ Twin and Single FS-450M instrument.
+ %HP Calculated on fuel burn.
+ Timer included