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ERDC/CRREL TR-02-13
Appendix A. Army Aircraft .................................................................................52
Rotary wing aircraft.......................................................................................52
Fixed-wing aircraft ........................................................................................54
Unmanned Aerial Vehicles (UAVs) ..............................................................55
Appendix B. Four questionnaires distributed to Army aviation units listed in
Appendix C .............................................................................................56
Appendix C. Army aviation units to which questionnaires were sent .................60
Appendix D. Commanders' assessment of current mission impact and potential
mission enhancement ..............................................................................64
Appendix E. Occurrence of flight cancellations and disruptions .........................84
Appendix F. Responses to Aircraft and Ground Maintenance Questionnaire .....91
Comments on increase in flight readiness ...................................................106
Respondents' experience with icing ............................................................106
Appendix G. Responses to Weather Support Questionnaire by unit..................110
Appendix H. Blade deice procedures .................................................................116
TABLES
Table 1. Aviation missions...................................................................................3
Table 2. Commanders' ratings of mission impact due to time currently
required to deice aircraft.............................................................................12
Table 3. Commanders' ratings of mission impact due to aircraft damage
during deicing.............................................................................................14
Table 4. Commanders' ratings of mission impact due to forecasted icing in
the mission flight path. ...............................................................................15
Table 5. Flight operations reports of scheduled flights cancelled by ground
icing............................................................................................................17
Table 6. Flight operations reports of scheduled flights cancelled as a result
of actual or forecast icing. ..........................................................................19
Table 7. Flight operations reports of flights disrupted as a result of unexpected
in-flight icing..............................................................................................21
Table 8. Aircraft and ground maintenance reports of aircraft groundings due
either to snow or ice on the aircraft before flight or to actual or forecast
in-flight icing..............................................................................................23
Table 9. Weather support reports of days per month with snow or ice as
precipitation events. ...................................................................................26
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