APR E6-B4WHL Pocket Size Flight Computer Overview:

The Pocket Size Wind Triangle & T/S/D deluxe computer calculates all necessary flight planning and en route navigation requirements. Included on the unit are both low (40 to 270 kts or mi) and high (200 to 700 kts or mi) speed slides and a compressibility F factors scale.

The E6-B4WHL features the exclusive WINDSPEED CURSOR ARM with easy-to-read sawtooth scales that quickly shows ground speed, wind correction angle and heading, thereby eliminating two set-ups and the need to mark a dot on the plastic disc. Instructions are printed on the computer slide.
The Time/Speed/Distance computer shows fuel consumption solutions, density altitude factors, conversions for true airspeed & altitude, mach number, kilometers, minutes to seconds, statute to nautical to statute miles, off-course and drift corrections, and slide-rule mathematics.

Also included is a complete comprehensive instruction manual with the bonus section Dead Reckoning Wind Effects Theory, Calculations, and Vector Diagrams.

Made with anodized aluminum Dimension: 3 1/4" x 6 3/8".  Also available in a full size (4 7/8" x 9 5/8") E6-B as the APR E6-B2WHL.

• Complete Instruction Manual includes BONUS Section on Dead Reckoning and Wind Effect Theory Calculations.
• Miles and Gallons Scale (Distance)
• Off-course & Drift Corrections
• Minutes & Hours Scale (Time)
• Mach Number Index Window
• Slide-Rule Mathematics
• Wind Component Grid
• Microset Alignment
• Beveled T/S/D Dial
• Altitude Correction
• Fuel Consumption
• Density Altitude Factors

• Minutes to Seconds
• True Airspeed
• True Altitude
• Temperature
• Kilometers
• Statute to Nautical to Statute Miles

APR makes a number of different E6-B flight computers and the differences are sometimes hard to figure out.  The following chart will help you find the right APR E6-B flight computer for your needs by showing the major differences:

 Major differences of APR E6-B flight computers