THE INSTRUCTOR PILOT WAS DEMONSTRATING AN AUTOROTATION WITH A POWER RECOVERY AND TERMINATION TO A HOVER. HE ENTERED AUTOROTATION AT THE PROPER ALTITUDE, ADJUSTED HIS AIRSPEED ACCORDINGLY AND ALL INSTRUMENTS WERE IN THE GREEN. AS THE INSTRUCTOR PILOT BEGAN HIS DECELERATION AND BEGAN APPLYING POWER AND PULLING PITCH, HE NOTICED HIS RPM BEGAN TO FALL OFF. AS HE STATED, THIS WAS DUE TO NOT ADDING FULLPOWER DUE TO THE POSSIBILITY OF GETTING AN OVERSPEED. HE SET THE AIRCRAFT DOWN AND THE ENGINE AT THIS TIME SURGED, CAUSING THE BLADES TO STRIKE THE GROUND AND TURN TO THE RIGHT. THE AIRCRAFT TURNED TO THE RIGHT, STILL SLIDING STRAIGHT DOWN THE RUNWAY AND AS THE INSTRUCTOR PILOT HELD IN RIGHT CYCLIC TO PREVENT THE AIRCRAFT FROM TURNING OVER, THE AIRCRAFT CAME TO A STOP WITH THE TURRET DIGGING INTO THE GROUND. THE BLADES STRIKES WERE THIRTY-NINE INCHES APART AND THE SKID MARKS CLEARLY TRACED THE AIRCRAFT'S PATH UNTIL IT CAME TO REST APPROXIMATELY 100 DEGREES TO THE RIGHT OF THE RUNWAY HEADING.\\
Information on U.S. Army helicopter AH-1G tail number 67-15775
The Army purchased this helicopter 1068
Total flight hours at this point: 00000141
Date: 02/20/69
Accident case number: 690220221
Unit: B/2/20 ARA 1 CAV
The station for this helicopter was Bien Hoa in
Number killed in accident = 0 . . Injured = 0 . . Passengers = 0
costing 60840
Source(s) from which the incident was created or updated: Army Aviation Safety Center database.
Crew Members:
AC W2 MILLER JP
P W1 NELSON KV
Accident Summary:
AIRCRAFT DEPARTED ^QUAN LOI^ FOR ^PHUOC VINH^ ON AN ADMINISTRATIVE FLIGHT. APPROACHED ^PHOUC VINH^ FROM THE NORTH AND ENTERED TRAFFIC ON AN EXTEND LEFT BASE FOR RUNWAY 09. AIRCRAFT DESCENDED TO 500 FEET INDICATED AND WAS ON BASE LEG FOR LANDING AT ^PHOUC VINH^. WHEN RECOVERING FROM THE DESCENT THE RPM, BOTH ENGINE AND ROTOR, STARTED DROPPING. AIRCRAFT COMMANDER ENTERED AUTOROTATION, LOOKED OUTSIDE THE AIRCRAFT FOR A PLACE TO LANDING, AND CALLED ^PHOUC VINH^ TOWER TELLING THEN THAT HE WAS GOING DOWN 1 1/2 CLICKS TO THE NORTHWEST. HE THEN LOOKED AT HIS INSTRUMENTS, N1 WAS INDICATING 60% AND STABLE. AIRCRAFT COMMANDER RECOGNIZED LOW SIDE GOVERNOR FAILURE, BUT ELECTED TO CONTINUE HIS AUTOROTATION BECAUSE HE FELT HE WAS TOO LOW (200 FEET) TO GO TO THE EMERGENCY MODE ON THE FUEL CONTROL UNIT. AIRCRAFT LANDED HARD AND MAIN ROTOR STRUCK TAIL BOOM JUST FORWARD OF THE 42 DEGREE BOX. ENGINE WAS STILL RUNNING WHEN AIRCRAFT CAME TO REST, ALTHOUGH IT DID NOT RESPOND TO THROTTLE MOVEMENTS, BOTH FULL OPEN AND BACK TO FLIGHT IDLE DETENT.\\
Information on U.S. Army helicopter AH-1G tail number 67-15775
The Army purchased this helicopter 1068
Total flight hours at this point: 00000434
Date: 09/17/69
Unit: 235 AVN
This was a Combat incident. This helicopter was REPAIRED IN THEATER
This was a Recon mission for Armed Recon
While On Target this helicopter was Attacking at 1250 feet and 100 knots.
South Vietnam
Helicopter took 1 hits from:
Small Arms/Automatic Weapons; Gun launched non-explosive ballistic projectiles less than 20 mm in size. (7.62MM)
The helicopter was hit in the Main Rotor Blade System
Systems damaged were: MAIN ROTOR SYS
The helicopter Continued Flight.
The aircraft continued and accomplished all mission objectives.
Original source(s) and document(s) from which the incident was created or updated: Survivability/Vulnerability Information Analysis Center Helicopter database. Also: JSIDR (Joint Services Incident Damage Report. )
Information on U.S. Army helicopter AH-1G tail number 67-15775
The Army purchased this helicopter 1068
Total flight hours at this point: 00001273
Date: 10/12/70
Unit: 235 AVN
This was a Combat incident. This helicopter was REPAIRED IN THEATER
for Close Air Support
While On Target this helicopter was Attacking at 1000 feet and 120 knots.
Cambodia
Helicopter took 5 hits from:
Small Arms/Automatic Weapons; Gun launched non-explosive ballistic projectiles less than 20 mm in size. (7.62MM)
The helicopter was hit in the Main Rotor Blade System
Systems damaged were: MAIN ROTOR SYS, STRUCTURE, TAIL ROTOR
The helicopter Continued Flight.
The aircraft continued and accomplished all mission objectives.
Original source(s) and document(s) from which the incident was created or updated: Survivability/Vulnerability Information Analysis Center Helicopter database. Also: JSIDR (Joint Services Incident Damage Report. )
Information on U.S. Army helicopter AH-1G tail number 67-15775
The Army purchased this helicopter 1068
Total flight hours at this point: 00001347
Date: 12/09/70
Unit: 235 AVN
This was a Combat incident. This helicopter was REPAIRED IN THEATER
for Unknown
While in Target Area this helicopter was Attacking at 1100 feet and 150 knots.
South Vietnam
Helicopter took 1 hits from:
Small Arms/Automatic Weapons; Gun launched non-explosive ballistic projectiles less than 20 mm in size. (7.62MM)
Systems damaged were: TAIL ROTOR
The helicopter Continued Flight.
The aircraft continued and accomplished all mission objectives.
Original source(s) and document(s) from which the incident was created or updated: Survivability/Vulnerability Information Analysis Center Helicopter database. Also: JSIDR (Joint Services Incident Damage Report. )
The following is Goldbook
information on US Army helicopter AH-1G tail number 67-15775
It is provided here as an ESTIMATE of the history of this helicopter
and is not intended to be the final authority.
This helicopter was purchased by the US Army in 1068.
Please provide any additional information on this helicopter to the VHPA.
DATE FLT HRS UIC UNIT AREA POST COUNTRY 6810 4 4 W0MHAA DIR SUP / TRAN IN MAINT SHARPE AD AVCOM 6811 1 5 WCLSAA 388 TRANS CO VIETNAM RVN 6812 61 66 WAG3B0 BBTRY2BN20A1CAV VIETNAM RVN 6901 55 121 WAG3B0 BBTRY2BN20A1CAV VIETNAM RVN 6902 20 141 WCLMAA 56 TRANS CO DS VIETNAM RVN 6903 0 141 WCLMAA 56 TRANS CO DS VIETNAM RVN 6904 0 141 WCLMAA 56 TRANS CO DS VIETNAM RVN 6905 3 144 WCLMAA 56 TRANS CO DS VIETNAM RVN 6906 11 155 WDX6AA 235 AVN CO VIETNAM RVN 6907 80 235 WDX6AA 235 AVN CO VIETNAM RVN 6908 105 340 WDX6AA 235 AVN CO VIETNAM RVN 6909 94 434 WDX6AA 235 AVN CO VIETNAM RVN 6910 93 527 WDX6AA 235 AVN CO VIETNAM RVN 6911 79 606 WDX6AA 235 AVN CO VIETNAM RVN 6912 74 680 WDX6AA 235 AVN CO VIETNAM RVN 7001 79 759 WDX6AA 235 AVN CO VIETNAM RVN 7002 69 828 WDX6AA 235 AVN CO VIETNAM RVN 7003 87 915 WDX6AA 235 AVN CO VIETNAM RVN 7004 29 944 WDX6AA 235 AVN CO VIETNAM RVN 7005 70 1014 WDX6AA 235 AVN CO VIETNAM RVN 7006 49 1063 WDX6AA 235 AVN CO VIETNAM RVN 7007 36 1099 WDX6AA 235 AVN CO VIETNAM RVN 7008 53 1152 WDX6AA 235 AVN CO VIETNAM RVN 7009 62 1214 WDX6AA 235 AVN CO VIETNAM RVN 7010 59 1273 WDX6AA 235 AVN CO VIETNAM RVN 7011 15 1288 WDX6AA 235 AVN CO VIETNAM RVN 7012 59 1347 WDX6AA 235 AVN CO VIETNAM RVN 7101 44 1391 WDX6AA 235 AHC VIETNAM RVN 7102 11 1402 WDX6AA 235 AHC VIETNAM RVN 7103 55 1457 WDX6AA 235 AHC VIETNAM RVN 7104 26 1483 WDX6AA 235 AHC VIETNAM RVN 7105 28 1511 WDX6AA 235 AHC VIETNAM RVN 7106 50 1561 WDX6AA 235 AHC VIETNAM RVN 7107 20 1581 WDX6AA C TRP 16TH ACV VIETNAM RVN 7108 3 1584 WDX6AA C TRP 16TH ACV VIETNAM RVN 7109 9 1593 WDX6AA C TRP 16TH ACV VIETNAM RVN 7110 39 1632 WDX6AA C TRP 16TH ACV VIETNAM RVN 7111 46 1678 WDX6AA C TRP 16TH ACV VIETNAM RVN 7112 14 1692 WDX6AA C TRP 16TH ACV VIETNAM RVN 7201 20 1712 WC43AA 175 AHC VIETNAM RVN 7202 42 1754 WC43AA 175 AHC VIETNAM RVN 7203 0 1754 W0Y6AA OS TO CONUS ITR CONUS AVSCOM 7204 0 1754 W0Y6AA OS TO CONUS ITR CONUS AVSCOM 7205 0 1754 W0Y6AA OS TO CONUS ITR CONUS AVSCOM 7206 0 1754 W0Y6AA OS TO CONUS ITR CONUS AVSCOM 7207 0 1754 W0Y6AA ARADMAC IN MAINT NAVAL AIR STN AVSCOM 7208 0 1754 W0MUAA ARADMAC IN MAINT NAVAL AIR STN AVSCOM 7209 6 1760 W0MUAA ARADMAC IN MAINT NAVAL AIR STN AVSCOM 7210 9 1769 W0MUAA ARADMAC IN MAINT NAVAL AIR STN AVSCOM 7211 22 1791 W0MUAA ARADMAC IN MAINT NAVAL AIR STN AVSCOM 7212 12 1803 WAB1FF 101ST ABN 3RD ARMY FORT CAMPBELL 3RD ARMY 7301 3 1806 WAB1FF 101ST ABN 3RD ARMY FORT CAMPBELL 3RD ARMY 7302 10 1816 WAB1FF 101ST ABN 3RD ARMY FORT CAMPBELL 3RD ARMY 7303 12 1828 WAB1FF 101ST ABN 3RD ARMY FORT CAMPBELL 3RD ARMY 7304 16 1844 WAB1FF 101ST ABN 3RD ARMY FORT CAMPBELL 3RD ARMY 7305 27 1871 WAB1FF 101ST ABN 3RD ARMY FORT CAMPBELL 3RD ARMY 7306 23 1894 WAB1FF 101ST ABN 3RD ARMY FORT CAMPBELL 3RD ARMY 7307 1 1895 WAB1FF 101ST ABN DIV 1ST ARMY FORT CAMPBELL FORSCOM 7308 14 1909 WAB1FF 101ST ABN DIV 1ST ARMY FORT CAMPBELL FORSCOM 7309 1 1910 WAB1FF 101ST ABN DIV 1ST ARMY FORT CAMPBELL FORSCOM 7310 0 1910 W0U48A INST MAINT FLT 1ST ARMY FT CAMPBELL FORSCOM 7311 0 1910 W0U48A 101ST ABN DIV 1ST ARMY FORT CAMPBELL FORSCOM 7312 11 1921 WAB1FF 101ST ABN DIV 1ST ARMY FORT CAMPBELL FORSCOM 7401 10 1931 WAB1FF 101ST ABN DIV 1ST ARMY FORT CAMPBELL FORSCOM 7402 8 1939 WAB1FF 101ST ABN DIV 1ST ARMY FORT CAMPBELL FORSCOM 7403 6 1945 WAB1FF 101ST ABN DIV 1ST ARMY FORT CAMPBELL FORSCOM 7404 22 1967 WAB1FF 101ST ABN DIV 1ST ARMY FORT CAMPBELL FORSCOM 7405 0 1967 WAB1FF 101ST ABN DIV 1ST ARMY FORT CAMPBELL FORSCOM 7406 7 1974 WAB1FF 101ST ABN DIV 1ST ARMY FORT CAMPBELL FORSCOM 7410 16 1994 WAB1FF 101ST ABN DIV 1ST ARMY FORT CAMPBELL FORSCOM 7411 8 2002 WAB1FF 101ST ABN DIV 1ST ARMY FORT CAMPBELL FORSCOM 7412 0 2002 WAB1FF 101ST ABN DIV 1ST ARMY FORT CAMPBELL FORSCOM 7501 0 2002 WAB1FF 101ST ABN DIV 1ST ARMY FORT CAMPBELL FORSCOM 7502 6 2008 WAB1FF 101ST ABN DIV 1ST ARMY FORT CAMPBELL FORSCOM 7503 6 2014 WAB1FF 101ST ABN DIV 1ST ARMY FORT CAMPBELL FORSCOM 7504 7 2021 WAB1FF 101ST ABN DIV 1ST ARMY FORT CAMPBELL FORSCOM 7505 17 2038 WAB1FF 101ST ABN DIV 1ST ARMY FORT CAMPBELL FORSCOM 7506 0 2038 WAB1FF 101ST ABN DIV 1ST ARMY FORT CAMPBELL FORSCOM 7507 0 2038 WAB1FF 101ST ABN DIV 1ST ARMY FORT CAMPBELL FORSCOM 7508 7 2045 WAB1FF 101ST ABN DIV 1ST ARMY FORT CAMPBELL FORSCOM 7509 5 2050 WAB1FF 101ST ABN DIV 1ST ARMY FORT CAMPBELL FORSCOM 7510 17 2067 WAB1FF 101ST ABN DIV 1ST ARMY FORT CAMPBELL FORSCOM 7511 0 2067 W0U422 INST MAINT FLT 1ST ARMY FORT CAMPBELL FORSCOM 7512 0 2067 W0U422 INST MAINT FLT 1ST ARMY FORT CAMPBELL FORSCOM
Please send additions or corrections to:
Gary Roush
43 Overbrook Road
Painted Post, NY 14870
Printed from databases on: 02/21/99
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