What's New

Extension of the calculation to cover QNH values of 950mb to 1050mb across the temperature and altitude range.

Additional testing and confirmation of results against published POH chart.

Addition of calculation value for ground roll over 50ft barrier.

App Description

Landing Distance Performance Calculator for Piper PA28-161 Cherokee Warrior II aircraft.

Always check and use the procedure and information that is described in the Pilot Operating Handbook/Flight Manual for your aircraft.

The following landing configuration is assumed:
Power off full stall touchdown
Maximum braking
Approach speed 63 kts IAS (Indicated Air Speed)
Gross weight (2325lbs)
Flaps 40degrees (full flaps)

Calculation limits are:
Sea-level to 3,000ft elevation
-20 to +40 degrees Centigrade
QNH 950 to 1050mb
Head/tailwind limit 40kts
Runway length up to 3000m
Downhill slope to 10 degrees
Result includes 43% safety factor increase
Yellow warning if >70% runway required

App Screen Shots

(click to enlarge)

App Changes

March 07, 2014 New version 1.3
September 20, 2013 New version 1.2
May 14, 2013 Price Decrease: $2.99 -> $1.99
May 02, 2013 Initial Release

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