And then there were just four...

3. (1993) Here you were just getting used to a life of leisure during the early days of your retirement in Aruba, but when Mexico’s prestigious Museo de Historia Natural calls to ask if you’d be willing to assist in organizing their new collection of African marine fossils, you simply can’t resist. Thankfully, you’ve found a convenient two flight connection from Aruba to Mexico City involving two airlines and best of all, you won’t have to connect through Miami. As an added bonus, none of the airlines are American and one of your flights will be aboard a widebody jet. Identify the two airlines involved, the connecting point and the two aircraft types involved.
Routing AUA-MCO-MEX KLM 747 MCO-MEX Looking for Venezuelan MD80 operator. Not AVENSA or VIASA.
All we need is just one as yet unidentified Venezuelan MD80 operator.
I can't believe you guys are so stumped by this one...

Three More Bonus Questions ~ Three More Bonus Questions ~ Three More Bonus Questions

B008. (1989) As a well sought after free-lance travel writer, yours is an envious lot indeed. You’ve just finished writing an article for Conde Nast Traveler magazine about Varadero, Cuba - one of the largest and most popular resort areas in the Caribbean. Now you’re on your way to Honolulu for a reunion with your old college roommates. Nobody said it would be easy traveling from Cuba to Hawaii in 1989, but you’ve found a workable itinerary involving three flights aboard three different airlines, each operating a different aircraft type. One of the aircraft has two engines, another has three engines and the other has four engines – though they are not necessarily flown in that order. None of the airlines are from the U.S. So then, please identify the three airlines, the route to be flown and the three different aircraft. ˇApúrate pues!
A N S W E R E D

B009. (1993) As the buyer for Denver’s leading supplier of Mexican artisanal housewares, you’re off to Veracruz, Mexico next week to inspect and possibly purchase a large supply of Mexican Talavera tiles. Your travel agent has come up with an intriguing three flight itinerary utilizing three different airlines, each of them operating a different aircraft built by the same manufacturer. Can you identify the three airlines, the routing and the three different aircraft types? Por su puesto!
We know it's DEN-CO-IAH-AF-MEX-MX-VER. Still need aircraft types - not Boeing

B010. (1999) If in August of 1999 you wanted to take a three stop direct flight air tour across America from New York (LGA) to Los Angeles (LAX) aboard a 737-200, only one airline would offer such a service. Identify that airline and the three enroute stops made along the way. And if you’re really an old timer, go ahead and see if you can still remember the aircraft type.
It's Access Air flying LGA-MOL-DSM-XXX-LAX