21 FEB’70 - An American-made 4-engine jet transport crashed, 47 dead. Last transmissions from aircraft: "…emergency we have…smoke on board. I can’t see anything…is crashing… good bye everybody…good bye everybody…reducing power we cannot see anything can you give me a low altitude ?" (Swissair flt 330)

11 JUL’73 - An American-made 4-engine jet transport crash landed. 122 dead. ALPA reported, "...smoke in the cockpit made the situation so intolerable that the captain decided to make a forced landing. He had to open the sliding cockpit window to maintain ground reference."

03 NOV’73 - An American-made jet transport crashed, crew died (no passengers, only cargo). Reports reveal: "The smoke venting system didn’t work well enough to clear the cockpit in time. The plane landed 262 feet short of the runway."

06 OCT'76 - An American-made 4 engine jet transport crashed, 73 dead. Final accident report: "Finally it became impossible to see the flight instruments because of smoke." Recommendations from accident report: "The criteria for the certification of large Commercial aircraft should include requirement for a positive means of smoke removal, particularly from the cockpit area."

02 JUN’83 - An American-made 2-engine jet transport made an emergency landing because of an in flight fire, 23 dead. The chairman of the National Transportation Safety Board testified during US Congressional hearings: "The smoke in the cockpit had by this time become so thick that the captain had difficulty seeing his airspeed indicator during approach."

23 SEP ‘83 - An American-made 2 engine jet transport crashed, 111 dead. CAA report: "CVR (Cockpit Voice Recorder) indicates crew unable to see due (to) smoke."

31 DEC ’85 - An American-made 2-engine private aircraft crashed, 7 dead. Reports indicate: "There was smoke - and it filled the cockpit. The plane hit some high wires, then crashed into the ground and exploded." Tower recording from pilot, just prior to crash. "We have smoke in the cockpit ! We have smoke in the cockpit !"

02 JUL’86 - A foreign-made 2-engine jet transport made a forced landing, 54 dead. CAA report: "...smoke on flt (flight)  deck & cabin forced (to) land in forest."

28 NOV ‘87 - An American-made 4-engine jet transport crashed, 159 dead. Initial reports: "Pilot radios of smoke in cockpit, then silence. Final accident report, Article 4.15, possible cause of accident, "disorientation consequent on reduced cockpit visibility in smoke…"

02 FEB ‘89 - An American-made 2-engine jet transport made an emergency landing. Airline Incident Investigation Report: "Smoke intensity on flight deck seriously impaired the Pilots ability to see the flight instruments."

17 DEC ‘89 - A foreign-made 2-engine jet transport made an emergency landing ( this type was certificated by FAA 6 months earlier, presumably in accordance with AC 25-9.) ICAO Accident Summary: " in seconds thick severe smoke severely impaired vision on the flight deck…by this time neither pilot could see each other…a visual landing was carried out with very limited visibility…Damage to aircraft substantial."

11 JUL ‘91 - An American-made 4-engine jet transport crashed, 261 dead. Reports indicate: "severe smoke conditions on board the aircraft shortly before the burning plane plowed into the ground at 250 m.p.h. and exploded…investigators have been unable to determine yet what caused the pilots to finally lose control…"

20 DEC ‘94 - An American made 4-engine jet transport crashed "...the crew called to report smoke in the cockpit. There were no further messages from the crew." The aircraft was later found in a marshy area 100 miles from the destination airport

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