Narrative:

(On the ILS 12 approach into the airport we were at approximately 1000 ft AGL when an aircraft was cleared for takeoff and was told to expedite their takeoff. The aircraft at the time was holding short of the runway. The aircraft was not expediting in my opinion and I told the captain that we were to close and that we needed to go around. The captain said that the plane would depart in time and we will be ok. At approximately 700 ft AGL I told the captain again that he wasn't going to make it off in time and that it did not look good and we should go-around. The captain continued the approach. At approximately 400 ft once again said that it was too close and that the aircraft ahead of us was not going to take off in time for us to land and that we should go-around. The captain said that it was unsafe to go-around at this point and he continued. At 200 ft cancun tower cleared us to land and we landed. I could not tell if the aircraft ahead of us was airborne because we were both concentrating on our landing; but I know it was close. Regardless I don't feel the situation should have happened at all. At 1000 ft AGL when I told the captain we should go-around; he should have gone around. It is much safer and easier to be prudent in a situation like that and just go-around and come back for another approach.

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Original NASA ASRS Text

Title: B737 First Officer believed the Captain was derelict in not making a go-around when advised by him that the departing aircraft would not be clear in time.

Narrative: (On the ILS 12 approach into the airport we were at approximately 1000 FT AGL when an aircraft was cleared for takeoff and was told to expedite their takeoff. The aircraft at the time was holding short of the runway. The aircraft was not expediting in my opinion and I told the Captain that we were to close and that we needed to go around. The Captain said that the plane would depart in time and we will be OK. At approximately 700 FT AGL I told the Captain again that he wasn't going to make it off in time and that it did not look good and we should go-around. The Captain continued the approach. At approximately 400 FT once again said that it was too close and that the aircraft ahead of us was not going to take off in time for us to land and that we should go-around. The Captain said that it was unsafe to go-around at this point and he continued. At 200 FT Cancun Tower cleared us to land and we landed. I could not tell if the aircraft ahead of us was airborne because we were both concentrating on our landing; but I know it was close. Regardless I don't feel the situation should have happened at all. At 1000 FT AGL when I told the Captain we should go-around; he should have gone around. It is much safer and easier to be prudent in a situation like that and just go-around and come back for another approach.

Data retrieved from NASA's ASRS site as of April 2012 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.