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Robert Scovill :
The problem is with the NTSB and POOR INVESTIGATIONS that have resulted in over 6,418 NTSB probable causes for engine failures in General Aviation Aircraft as REASONS UNDETERMINED.
The NTSB looks at each aircraft accident as an unique event the first ever of its kind. The NTSB does not look for trend, patterns or for that matter connect the dots from one sputtering engine with another sputtering engine. The NTSB adds insult to injury by writing off engine failures in General Aviation Aircraft 6,418 times as “REASON UNDETERMINED” Would you accept an UNDETERMINED ENGINE FAILURE from your automobile mechanic? IF the NTSB is really about saving lives solve the 6,418 UNDETERMINED engine failures in General Aviation Aircraft. Clue for NTSB, look for undetectable water in fuel tanks. Clue for NTSB, your own Safety Recommendation A-83.6. Clue for the NTSB FAA Safety Recommendations 99.283 and 99.284.
# 5 July 2010 at 7:55 am

Robert Scovill :
AUG 01 1982 TX CESSNA 421B at cruise left engine rough shut down reason
undetermined 1 ok
AUG 20 1983 UT CESSNA 421A on takeoff rough engine power loss for
undetermined reason 1 killed 2 serious
AUG 25 1986 TN CESSNA 421C on takeoff dual engine failure for undetermined
reason 4 ok
DEC 29 1980 MI CESSNA 421B climb to cruise engine failure for undetermined
reason 5 killed
FEB 14 1969 KS CESSNA 421A aborted takeoff engine failed fr undetermined
reason landed on airport 2 ok
FEB 19 1973 NV CESSNA 421 AT CRUISE ENGINE FAILURE INADEQUATE DESIGN OF
SHAFT SEAL 8 ok
FEB 23 1977 ID CESSNA 421B at takeoff engine failure for undetermined reason
4 ok
JLY 24 1981 OK CESSNA 421B on takeoff engine failure for undetermined reason
2 ok
JUN 15 1994 CA CESSNA 421C after takeoff engine failure for undetermined
reason 2 KILLED 1 SERIOUS
MAY 02 1971 SC CESSNA 421A on takeoff crashed ENGINE FAILURE FOR
UNDETERMINED REASDON pilot and 3 PX KILLED
MAY 28 1975 GA CESSNA 421A on takeoff crashed engine failure for
undetermined reason 1 killed 1 serrious
OCT 07 1972 MT CESSNA 421 ON TAKEOFF CRASHED ENGINE FAILURE FOR UNDETERMINED
REASON 2 ok
OCT 11 1985 OH CESSNA 421C at liftoff engine pressure decreased reason
UNDETERMINED engine ok on test stand 4 ok
SEP 19 1980 CA CESASNA 421 at takeoff engine failure for undetermined reason
2 oik
SEP 24 1981 TX CESSNA 421C on takeoff engine failure for undetermined reason
pilot ok
# 5 July 2010 at 7:57 am

Ryan T :
lolzz mmkay
# 10 July 2010 at 8:13 pm

Sites du réseau Maestriweb :
Very well executed post!!
# 25 October 2011 at 11:09 am

Firewire Ports :
Exceptionally well executed piece…
# 5 December 2011 at 4:08 pm

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