| ABBREVIATED AVIATION ACCIDENT REPORT (AAAR) | ||||||||
|---|---|---|---|---|---|---|---|---|
| Source | AAAR | |||||||
| 1. Case Number | 1a. Date of Accident | 1b. Time | 1c. Aircraft Serial Number | 2a. Classification | 2b. Category | |||
| 19960719009 | Jul 19 1996 | 0910 | 8900168 | E | ||||
| 3. Type of Aircraft | 4. Period Of Day | 5. No Acft Involved | 6. Nearest Installation | |||||
| CH47D | DAY | 1 | 02956 - FT WAINWRIGHT, AK | |||||
| 7. Accident Location | a. On Post | b. On Airfield | d. ALASKA | |||||
| 8. Organization Involved in Accident | ||||||||
| Unit | UIC7 | UIC6 | UIC5 | UIC4 | UIC3 | UIC2 | Army Headquarters Element | Station |
| WHT7B0 | WHT7AA | WDQKFF | WDN6FF | W32FAA | 02956 | |||
| B CO | 4/123AB | 6CBAVBD | 6INFDIV | USARPAC | FT WAINWRIGHT, AK | |||
| 9. Organization Accountable for Accident | ||||||||
| WHT7B0 | WHT7AA | WDQKFF | WDN6FF | W32FAA | 02956 | |||
| B CO | 4/123AB | 6CBAVBD | 6INFDIV | USARPAC | FT WAINWRIGHT, AK | |||
| 10. Estimated Accident Cost | ||||||||
| a. Total Loss | b. Aircraft Damage | c. Man Hrs | d. Man Hrs Cost | e. Other Mil Damage | ||||
| No | $0 | 0 | $0 | $0 | ||||
| f. Civilian Damage | g. Injury | h. Total This Aircraft | i. Total Accident | |||||
| $0 | $0 | $0 | $0 | |||||
| 11. General Data | ||||||||
| a. Mission | S/M | b. Flight Plan | c. Data Recorder | |||||
| T - TRAINING | SINGLE | VFR | No | |||||
| d. Night Vision | e. Fire | f. Fluid Spillage | g. Field Training | |||||
| NONE | No | |||||||
| 12. Flight Data | ||||||||
| a. Emergency | Duration | Phase of Operation | ||||||
| 0 | C - TAXI | |||||||
| AGL | KIAS | Weight | Overgross | |||||
| 33000 | No | |||||||
| b. Termination | Duration | Phase of Operation | ||||||
| AGL | KIAS | Weight | Overgross | |||||
| 13. Type Event | ||||||||
| 46 - Rotor/Prop Wash | ||||||||
| 14. Accident Cause Factors | Human Error | Material Failure | Environmental | |||||
| NO | NO | NO | ||||||
| 15. Summary | ||||||||
| AIRCRAFT ATTEMPTED TO TWO WHEEL BACK TAXI FROM PARKING. ROTOR WASH BLEW TWO TUNNEL COVERS OFF ADJACENT PARKED AIRCRAFT. TUNNEL COVERS OF PARKED AIRCRAFT WERE CLOSED BUT NOT SECURED. NO DAMAGE TO OPERATING AIRCRAFT. NO INJURIES. | ||||||||
| 16. COMPONENT AND PART FAILURE/MALFUNCTION DATA | ||||||||
| No Component/Part Data | ||||||||
| 17. ENVIRONMENTAL | ||||||||
| a. General | (1) IMC | (2) VMC | (3) Unknown | |||||
| b. Environmental Conditions | ||||||||
| 1. Weather Conditions | 2. Other Conditions | |||||||
| (a) Hail | (a) Animals | |||||||
| (b) Sleet | (b) Fowl | |||||||
| (c) Fog | (c) Surface | |||||||
| (d) Drizzle | (d) Noise | |||||||
| (e) Rain | (e) Chemicals | |||||||
| (f) Snow | (f) Radiation | |||||||
| (g) Lightning | (g) Glare | |||||||
| (h) Thunderstorm | (h) FOD | |||||||
| (i) Gusty Winds | (i) Temperature | |||||||
| (j) Freezing Rain | (j) Vibration | |||||||
| (k) Other | (k) Dust | |||||||
| c. Aircraft Icing | No Yes | d. Turbulence | No Yes | |||||
| 19. MOON ILLUMINATION DATA | ||||||||
| a. Above Horizon | b. Visible | c. Degrees Above Horizon | d. Percent Illumination | e. Clock Position | ||||
| No Yes | No Yes | |||||||
| 20. WIRE STRIKE DATA | ||||||||
| a. Wire Strike | b. WSPS Installed | c. WSPS Engaged | ||||||
| No Yes | No Yes | No Yes | ||||||
| d. WSPS Cut Wire | e. WSPS Functioned | f. Wires Struck | ||||||
| No Yes | No Yes | Number wires | 0 | Dia.(inches) | ||||
| 21. PERSONNEL DATA | ||||||||
| No Personnel | ||||||||
| 22. IMPACT/PROTECTIVE/ESCAPE/SURVIVAL/RESCUE DATA | ||||||||
| a. Aircraft Space Compromised | b. Escape/Survival Difficulties | c. Protective/Restraint Equip Functioned | ||||||
| No Yes | No Yes | No Yes | ||||||
| 24. FINDINGS AND RECOMMENDATIONS | ||||||||
| Findings | ||||||||
| FINDINGS #1: 1. TUNNEL COVERS WERE CLOSED BUT NOT SECURED, GIVING THE APPEARANCE THEY WERE SECURED. 2. MECHANIC CLOSING THE TUNNEL COVERS WAS NOT AWARE OF THE STANDARD TO SECURE COVERS WHEN CLOSING THEM. | ||||||||
| Recommendations | ||||||||
| RECOMMENDATIONS #1: 1. ALL CREW MEMBERS (MILITARY AND CIVILIAN) BE BRIEFED ON THIS ACCIDENT. 2. ALL CREW MEMBERS (MILITARY AND CIVILIAN) SHOULD BE EDUCATED OF THE NECESSITY TO SECURE CLOSED COVERS. | ||||||||