| ABBREVIATED AVIATION ACCIDENT REPORT (AAAR) | ||||||||
|---|---|---|---|---|---|---|---|---|
| Source | PRAM | |||||||
| 1. Case Number | 1a. Date of Accident | 1b. Time | 1c. Aircraft Serial Number | 2a. Classification | 2b. Category | |||
| 19750723005 | Jul 23 1975 | 1345 | 6815993 | E | ||||
| 3. Type of Aircraft | 4. Period Of Day | 5. No Acft Involved | 6. Nearest Installation | |||||
| CH47C | DAY | 1 | - | |||||
| 7. Accident Location | a. Off Post | b. Not On Airfield | e. GERMANY | |||||
| 8. Organization Involved in Accident | ||||||||
| Unit | UIC7 | UIC6 | UIC5 | UIC4 | UIC3 | UIC2 | Army Headquarters Element | Station |
| WC5LAA | WAAFFF | W0ANAA | GE760 | |||||
| 180AVCO | 11AV GP | USAREUR | SCHWABISCH HALL, FRG | |||||
| 9. Organization Accountable for Accident | ||||||||
| WC5LAA | WAAFFF | W0ANAA | GE760 | |||||
| 180AVCO | 11AV GP | USAREUR | SCHWABISCH HALL, FRG | |||||
| 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 | |||||
| S - SERVICE | VFR | |||||||
| 13 - SUPPORT | ||||||||
| 09 - PASSENGER DELIVERY/PICKUP | ||||||||
| d. Night Vision | e. Fire | f. Fluid Spillage | g. Field Training | |||||
| NONE | No | |||||||
| 12. Flight Data | ||||||||
| a. Emergency | Duration | Phase of Operation | ||||||
| 0 | G - CRUISE | |||||||
| AGL | KIAS | Weight | Overgross | |||||
| b. Termination | Duration | Phase of Operation | ||||||
| AGL | KIAS | Weight | Overgross | |||||
| 13. Type Event | ||||||||
| 01 - Precautionary Landing | ||||||||
| 14. Accident Cause Factors | Human Error | Material Failure | Environmental | |||||
| UNKNOWN | DEFINITE | NO | ||||||
| 15. Summary | ||||||||
| PILOTS HEARD STRANGE NOISE COMING FROM FORWARD TRANSMISSION AND LANDED IN LARGE OPEN FIELD. INTERNAL FAILURE OF FORWARD TRANSMISSION, EXCESSIVE METAL PARTICLES WERE FOUND IN THE OIL.\\ | ||||||||
| 16. COMPONENT AND PART FAILURE/MALFUNCTION DATA | ||||||||
| Major Component Information | ||||||||
| a. Nomenclature | b. Type/Design/Series | c. Part Number | d. NSN | e. MFG Code | f. Part Serial No | |||
| ROTOR AND XMSN | ||||||||
| Part Information | ||||||||
| a. Nomenclature | c. Part Number | d. NSN | e. MFG Code | f. Part Serial No | ||||
| TRANSMISSION | 114D12005 | 1615004072823 | 77272 | A7739 | ||||
| g. Cause Failure | Functional Group | |||||||
| Material | Maintenance | Design | Manufacture | 04 - ROTOR AND TRANSMISSION 05 - MAIN TRANSMISSION | ||||
| DEFINITE ROLE | NONE | - - | ||||||
| Type Failure | Cause Failure | |||||||
| 008 - NOISY | - | 999 - UNDETERMINED | - | |||||
| 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 | ||||||||
| Person # 1 | c. Grade | d. Sex | e. Duty | |||||
| O3 | PC - PILOT IN COMMAND | |||||||
| f. SVC | g. UIC | h. Role | i. On Controls | |||||
| A - ACTIVE ARMY | WC5LAA | U - UNKNOWN | No Yes | |||||
| j. Lab Test | k. Hrs Slept 24 | l. Hrs Worked 24 | m. Hrs Flown 24 | |||||
| Yes No | ||||||||
| n. RL | o. FAC | p. Injury | q. MTDS Total Flt Hrs | |||||
| 1 2 3 | 1 2 3 | - | 0 | |||||
| Person # 2 | c. Grade | d. Sex | e. Duty | |||||
| W3 | PI - PILOT | |||||||
| f. SVC | g. UIC | h. Role | i. On Controls | |||||
| A - ACTIVE ARMY | WC5LAA | U - UNKNOWN | No Yes | |||||
| j. Lab Test | k. Hrs Slept 24 | l. Hrs Worked 24 | m. Hrs Flown 24 | |||||
| Yes No | ||||||||
| n. RL | o. FAC | p. Injury | q. MTDS Total Flt Hrs | |||||
| 1 2 3 | 1 2 3 | - | 0 | |||||
| 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 | ||||||||
| CCAD FINAL EIR 805427 CONCLUSIONS: NO EVIDENCE OF ABNORMAL WEAR OR DAMAGE COULD BE DETECTED THAT WOULD CONTRIBUTE TO THE REPORTED GRINDING NOISE.\\ | ||||||||
| Recommendations | ||||||||
| Not Reported | ||||||||