[an error occurred while processing this directive] Rotorway Exec vs Robinson R22 Accident Statistics

 

DISCLAIMER - READ THIS FIRST!

The information contained in this document may contain errors. No claim or judgement as to the safety merits of these products is implied or should be assumed.  The data does not comprehend the actual flying time for either aircraft fleet which is an important factor in determining the safety of any aircraft.

All data comes from FAA databases and the NTSB (1989-1998).
I merely gathered it and compiled it. I make no claims as 
to the accuracy. If you want to be sure of the data, compile
and count it for yourself. Percentages may not add up to 
exactly 100% due to rounding.
ROTORWAY EXEC INCIDENT DATA FROM NTSB
Primary cause of Incident             Model
                        EXEC EXEC152 EXEC90 EXEC162F TOTALS
 Pilot Error             11      1      5      2        19
 Engine Failure           4             2                6
 Misc. Mech Failure       2      1      1                4
 Inflight Fire            3                              3
 Improper Assembly/Maint. 1                    2         3
 TR Failure               2                              2
 MR blade Failure         1                              1
 Dynamic Rollover         1                              1
 Fuel exhaustion          1                              1
 Undetermined                           1                1
 Act of nature                                 1         1
TOTAL NTSB INCIDENTS                                    42
(Note: Fires after a rollover or setdown not counted as 
"inflight". There were 2-3 incidents of fire on the ground
for various reasons.)
Total minor injuries in "Exec"s per NTSB                 9
Total serious injuries in "Exec"s per NTSB               2
Total fatalities in "EXEC"s per NTSB:                    5
Total "Exec" helicopters registered with the FAA:      544
STATISTICS
 7.7% of registered Exec have been involved in an NTSB 
      Incident
64% resulted in no injuries
21% involved minor injuries
10% resulted in death
 5% involved serious injuries
50% were due to pilot errors (inc. dyn rollowver and fuel)
14% were due to engine failure
14% were due to misc. mechanical failure 
 7% were due to improper assy and maint.
 7% were due to inflight fire
 5% were due to undetermined causes or acts of nature
100% of all engine failures where in the original EXEC or
      the EXEC90
ROBINSON R-22 DATA
Primary cause of Incident             
                                                           
 Pilot Error                                           112
 Engine Failure                                          5
 MR blade Failure (mast bumping)                         4
 Dynamic Rollover                                        3
 Misc. Mech Failure                                      3
 Improper Assembly/Maint                                 2
 Undetermined                                            2
 Fuel exhaustion                                         1
 Act of nature                                           1
 Inflight Fire                                           0
 TR Failure                                              0
TOTAL NTSB INCIDENTS                                   136
(Note: Fires after a rollover or setdown not counted as 
"inflight". There were several incidents of fire on the 
ground for various reasons.)
Total minor injuries in R22 per NTSB                    20
Total serious injuries in R22 per NTSB                  13
Total fatalities in R22 per NTSB:                       21
Total R22 helicopters registered with the FAA:         973
STATISTICS
 14% of registered R-22's have been involved in an NTSB 
      Incident
60% resulted in no injuries
15% involved minor injuries
15.5% resulted in death
10% involved serious injuries
87% were due to pilot errors (inc dyn. rollover and fuel)
 4% were due to engine failure
 3% were due to mast bumping (not counted as pilot error)
 2% were due to improper assy/maint.
 2% were due to misc. mechanical failure
 2% were due to undetermined causes or acts of nature
None were due to inflight fire