Commercial Fixed Wing
Flight Crew Air Transport Pilot (ATP); Flight Crew Instrument; Flight Crew Multiengine
Flight Crew Last 90 Days 106; Flight Crew Total 5644; Flight Crew Type 3375
Confusion; Distraction; Situational Awareness; Human-Machine Interface
Deviation / Discrepancy - Procedural Published Material / Policy
Flight Crew Became Reoriented; Flight Crew FLC complied w / Automation / Advisory
Chart Or Publication
Leaving MMMX on OMPUT departure; chart 10-3 shows a speed constraint of 200 knots until D6 MEX. No other speed constraints are mentioned on chart; or 10-7 pages. Out of 10;000 feet we wondered why FMGC speed stayed at 250 knots and were prepared to intervene with a higher speed but didn't. Passing 18;000 the speed jumped up to a normal climb; and we remained in Managed Speed. Turns out there are other speed constraints out of MMMX; but they are only found on the 10-1R Radar Minimum Altitudes chart; which isn't something we'd normally look for on an RNAV departure. That chart shows 200 knots to D10 or 10;500 feet and 250 knots to D30 or 18;000 feet. Once again; neither are referenced on any departure; or other publication. Since the 200 knot to D6 speed limit is on the 10-3 departures page; it lends a false sense of security that this is the only speed constraint that applies. Thankfully the FMGC knew; and we remained in compliance.
An Air Carrier Captain reported confusion due to the aircraft complying with altitude and speed restrictions which were not published on their chart.