This jet is NOT a 50 model but a 40 model. I worked for Sabreliner for over 17 years, starting in line service, to mechanic, to pilot. This is a 40A model, with the center window/escape hatch. I personally worked on the aircraft, and remember it well. Trust me, it is NOT a 50 model, but a 40 model. The great Sabreliner, fading fast now in the industry. The aircraft had just a 10,000 life limit unless life extension kits were added on.
And... saw the certificate and it is in error, as all Sabres were 282-... this was clearly a 40 model with a NA282- number. I shall look into it as I was tech writer for Sabreliner, as well as mechanic. This certificate is in error.
I stand corrected and yes you are right. It IS a 50 model being a retired military airplane. With all of its mods, it could not be designated a commercial airplane like the normal 40, 60, 70 and 65 aircraft. So it was then designated 50 model. It is a unique airplane and I was corrected when talking to the flight department. You were right and I was wrong.
