It's a Take-Off and Landing Calculation Tool not a Weights & Balance Tool. The following aircraft types and add-ons are presently supported in TOPCAT. Topcat Aircraft Database Update Statement. Try create your own aircraft in TOPCAT and EFB will read them. EFB reads your own aircraft database from TOPCAT, not the list of all available aircraft in TOPCAT. Quote Link to comment Share on other sites. Without this performance data TOPCAT is useless. But like others have said, the support dried up along time ago and as time goes on the software becomes less useful due to no updates. My database is 16 June 2018 updated using Navagraph. The performance data on the Take-Off page of TOPCAT comes from a different folder. TOPCAT AIRCRAFT DATABASE 23:19 UTC A/C REGĪ/C TYPE ENGINES CABIN CONFIGURATION CAB LAYOUT PAX CAP UNITS DOW MZFW MTOW MLW FUEL CAP CARGO CAP SELCAL ASS/DER/COMB -OM-HLDĪIRBUS 320-214 CFM56-5B4 41243KG 61000KG PAX CAPACITY 150ATM TO BE CORRECTEDĪEROSOFT AIRBUS X EXTENDED 77000KG 64500KGįLIGHT SIMULATOR DEFAULT (SINGLE. phpt9925start30 16 6 6(16) hillemporium - Blog Look at 1 relevant links 7 blogtopcat-aircraft-database-update-statement 0 7 7(0). I believe the values in the TOPCAT/configuration folder are only going effect the W & B page of TOPCAT.