All four aircraft took off at night. All were running late
of schedule. Three aircraft, possibly all, had Exhaust Pressure
Ratio EPR anomalies.
"Air India 182 departed Mirabel 1 hour 38 minutes late." "Sunday 23 June 0218 GMT " (2218 EDT or 10:18 PM local time)
Page 166, Air India 182 Indian accident report
"2.4..2.3 Prior to operating the accident flight, ...The flight crew had reported the following three snags:
(ii) EPRL indicator unserviceable in 'Go around' mode."
Page 49 Air India 182 Indian accident report.
"Flight PA 103 took-off at 18.25 hrs." (6:25 PM 21 Dec 88)
Page 3 AAIB PA 103 accident report.
Engine number three has EPR anomaly seconds before catastrophic
event. Anomaly not explained in report.
AAIB PA 103 accident report.
"Flight 811 departed HNL gate 10 at 0133 Honolulu Standard Time (HST) 3 minutes after the scheduled departure time..." (1:33AM)
Page 1, NTSB Aircraft Accident Report NTSB /AAR-92/02
"The Los Angeles to HNL segment of flight 811, on February 23, 1989, generated four logbook discrepancy entries. All items were cleared by NHL maintenance and none were related to the cargo door."
Page 19, NTSB Aircraft Accident Report NTSB /AAR-92/02
"8:02 p.m.: After the engine-pressure radio gauge is replaced, the plane, now Flight 800, leaves the gate bound for Paris, with 230 people aboard. " News reports.
" After a 17 minute wait, it reaches the runway and takes off at 20.19. The sun has set shortly beforehand, but visibility at high altitude is still good." News reports.
Boeing 747 nose picts right side cargo door
AD Airworthiness Directive 79-17-02
Airworthiness Directive Amendment to 89-05-54 amending 88-12-04
Airworthiness Directive 88-12-04 Boeing 747
More pictures of UAL 811 cargo door hole
Cargo door accidents