Onboard Performance System...would that be like in your FMS? and you can just select gear down for second segement to give you a new V2 speed that you load into the tapes, and actualy get a new climb gradiant that you check againt the SID? IF so...thats great, I would like to know which FMS your using..having used Collins, Honeywell, NZ2000s...I would very much like you show me how to pull up that info. Thanks.
Given that I have never heard of second segement numbers being calculated for gear down until clear of obsticles, I would really like to learn more about this.