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ERDC/CRREL TR-02-13
D. Classification of icing accidents/incidents.
According to AR 385-40, Accident Reporting and Records, aircraft accidents
and/or incidents are classified according to injury, and amount of damage (see
Table 18).
Table 18. Aircraft accident classifications.
Accident
classification
Extent of injuries
Amount of damage
Class A accident
Fatality or total disability
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,000,000 or more
Permanent partial disability, or five or more personnel
0,000 to
Class B accident
are hospitalized in single occurrence.
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,000,000
Injury or illness that causes loss of time from work, or
,000 to
Class C accident
later disability.
0,000
Nonfatal injuries/illnesses in conjunction with property
Class D accident
damage.
,000 to ,000
No injuries or fatalities. Mission (either operational or
Class E incident
maintenance) is interrupted or not completed.
Less than ,000
Any amount due to
Class F incident
No injuries or fatalities.
foreign objects
During the FY85FY99 time period, there was a total of 54,081 aircraft
accidents/incidents according to Army Safety Office data. The vast majority
(90%) of these accidents/incidents were in the Class E category. During the same
period there were 255 recorded icing accidents/incidents, which represent only
0.5% of the total. Similarly, most of the icing accidents/incidents were in the
Class E category. A breakdown of the total and icing-related accidents/incidents
according to class is shown in Table 19.
Table 19. Comparison of icing accidents/incidents to total aircraft accidents/inci-
dents according to classification.
Total in class
Total in class
due to icing
Percent due to icing
Accident classification
399
1
0.3
A
188
1
0.5
B
1294
27
2.1
C
3047
25
0.8
D
48956
184
0.4
E
197
17
8.6
F
54081
255
0.5
Total
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