![Michael Graff, President and COO Bombardier Aerospace presents the 500th CRJ aircraft, April 25, 2001 in Montreal. The aircraft is to be delivered tomorrow to Atlantic Coast Airlines (ACA) in Sterling, Virginia. Michael Graff, President and COO Bombardier Aerospace presents the 500th CRJ aircraft, April 25, 2001 in Montreal. The aircraft is to be delivered tomorrow to Atlantic Coast Airlines (ACA) in Sterling, Virginia.](https://c8.alamy.com/comp/2D3EFC2/michael-graff-president-and-coo-bombardier-aerospace-presents-the-500th-crj-aircraft-april-25-2001-in-montreal-the-aircraft-is-to-be-delivered-tomorrow-to-atlantic-coast-airlines-aca-in-sterling-virginia-cmme-2D3EFC2.jpg)
Michael Graff, President and COO Bombardier Aerospace presents the 500th CRJ aircraft, April 25, 2001 in Montreal. The aircraft is to be delivered tomorrow to Atlantic Coast Airlines (ACA) in Sterling, Virginia.
![File:British Aerospace BAe-3101 Jetstream 31, United Express (Atlantic Coast Airlines) AN0208771.jpg - Wikimedia Commons File:British Aerospace BAe-3101 Jetstream 31, United Express (Atlantic Coast Airlines) AN0208771.jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/thumb/f/fb/British_Aerospace_BAe-3101_Jetstream_31%2C_United_Express_%28Atlantic_Coast_Airlines%29_AN0208771.jpg/640px-British_Aerospace_BAe-3101_Jetstream_31%2C_United_Express_%28Atlantic_Coast_Airlines%29_AN0208771.jpg)
File:British Aerospace BAe-3101 Jetstream 31, United Express (Atlantic Coast Airlines) AN0208771.jpg - Wikimedia Commons
![Fairchild Dornier 328-310 328JET - Delta Connection (Atlantic Coast Airlines) | Aviation Photo #0684345 | Airliners.net Fairchild Dornier 328-310 328JET - Delta Connection (Atlantic Coast Airlines) | Aviation Photo #0684345 | Airliners.net](https://imgproc.airliners.net/photos/airliners/5/4/3/0684345.jpg?v=v40)
Fairchild Dornier 328-310 328JET - Delta Connection (Atlantic Coast Airlines) | Aviation Photo #0684345 | Airliners.net
![N624BR Atlantic Coast Airlines Bombardier CRJ-200ER (CL-600-2B19) Photo by Kristina Norris | ID 022740 | Planespotters.net N624BR Atlantic Coast Airlines Bombardier CRJ-200ER (CL-600-2B19) Photo by Kristina Norris | ID 022740 | Planespotters.net](https://cdn.plnspttrs.net/20808/n624br-atlantic-coast-airlines-bombardier-crj-200er-cl-600-2b19_PlanespottersNet_022740_03f1ff8c20_o.jpg)
N624BR Atlantic Coast Airlines Bombardier CRJ-200ER (CL-600-2B19) Photo by Kristina Norris | ID 022740 | Planespotters.net
![File:British Aerospace BAe-3212 Jetstream Super 31, United Express (Atlantic Coast Airlines) AN0067492.jpg - Wikimedia Commons File:British Aerospace BAe-3212 Jetstream Super 31, United Express (Atlantic Coast Airlines) AN0067492.jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/d/d1/British_Aerospace_BAe-3212_Jetstream_Super_31%2C_United_Express_%28Atlantic_Coast_Airlines%29_AN0067492.jpg)
File:British Aerospace BAe-3212 Jetstream Super 31, United Express (Atlantic Coast Airlines) AN0067492.jpg - Wikimedia Commons
![N316UE | British Aerospace Jetstream 41 | United Express (Atlantic Coast Airlines) | Peter Unmuth | JetPhotos N316UE | British Aerospace Jetstream 41 | United Express (Atlantic Coast Airlines) | Peter Unmuth | JetPhotos](https://cdn.jetphotos.com/full/2/90385_1182354459.jpg)