U N C L A S S I F I E D

ABBREVIATED AVIATION ACCIDENT REPORT (AAAR)
Source PRAM
1. Case Number 1a. Date of Accident 1b. Time 1c. Aircraft Serial Number 2a. Classification 2b. Category
19770530003 May 30 1977 1450 6815993 E
3. Type of Aircraft 4. Period Of Day 5. No Acft Involved 6. Nearest Installation
CH47C DAY 1 GE086 - BITBURG, FRG
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
14 - RECON
21 - PHOTO
d. Night Vision e. Fire f. Fluid Spillage g. Field Training
NONE Yes
12. Flight Data
a. Emergency Duration Phase of Operation
0 G - CRUISE
AGL KIAS Weight Overgross
b. Termination Duration Phase of Operation
.4 -
AGL KIAS Weight Overgross
13. Type Event
01 - Precautionary Landing
14. Accident Cause Factors Human Error Material Failure Environmental
UNKNOWN NO NO
15. Summary
CREW CHIEF DISCOVERED OIL LEAK TO THE CABIN FROM THE COMBINING TRANSMISSIN AREA. KNOWN, SUPPORT ASSEMBLY, RETAINING NUT WERE NOT PROPERLY TORQUED. NUT LEFT LOOSE AND HAD BEEN PAINTED OVER AT LAST OVERHAUL, RECORDS REFLECT 175 HOURS SINCE LAST OVERHAUL. SUPPORT ASSEMBLY 2 SIDE RETAINING FLANGE CRACKED CAUSING LOSS OF OIL FROM COMBINING TRANSMISSION.żż
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 & XMSN
Part Information
a. Nomenclature c. Part Number d. NSN e. MFG Code f. Part Serial No
SUPPORT ASSY 114D52511 1615000195225 77272
g. Cause Failure Functional Group
Material Maintenance Design Manufacture 04 - ROTOR AND TRANSMISSION 13 - COMBINING TRANSMISSION
NONE DEFINITELY 71 - CASING -
Type Failure Cause Failure
190 - CRACKED - 979 - MAINTENANCE ERROR -
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
W2 PC - PILOT IN COMMAND
f. SVC g. UIC h. Role i. On Controls
O - OTHER 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
W2 PI - PILOT
f. SVC g. UIC h. Role i. On Controls
O - OTHER 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
Not Reported
Recommendations
Not Reported



U N C L A S S I F I E D