- Date
- September 8, 1975
- Place
- Chandler, AZ · CHANDLER, AZ
- Injuries
- 1 uninjured
- Damage
- Substantial damage
- Phase of flight
- Maneuvering
- Aircraft
- N4099GBell 47G-5
- Status
- Completed · report December 15, 1975
- Report
- Brief approved by the director
- FAA report
- 19750908029459A
- Case key
- 151024
From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.
On this page
NTSB brief
NTSB’s brief of the accident, as it was printed: the coded facts, with the probable cause and factors.
---------------------------------------------------------------------------------------------------------------------------- FILE DATE LOCATION AIRCRAFT DATA INJURIES FLIGHT PILOT DATA F S M/N PURPOSE ---------------------------------------------------------------------------------------------------------------------------- 3-3339 75/9/8 CHANDLER,AZ BELL 47G-5 CR- 0 0 1 COMMERCIAL COMMERCIAL, AGE 27, 3635 TIME - 0845 N4099G PX- 0 0 0 AERIAL APPLICATION TOTAL HOURS, 800 IN TYPE, DAMAGE-SUBSTANTIAL OT- 0 0 0 NOT INSTRUMENT RATED. DEPARTURE POINT INTENDED DESTINATION CHANDLER,AZ LOCAL TYPE OF ACCIDENT PHASE OF OPERATION MISCELLANEOUS IN FLIGHT: SWATH RUN NOSE OVER/DOWN LANDING: ROLL-ON/RUN-ON PROBABLE CAUSE(S) MISCELLANEOUS - UNDETERMINED FACTOR(S) TERRAIN - WET,SOFT GROUND MISCELLANEOUS ACTS,CONDITIONS - VIBRATION,EXCESSIVE EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND SPECIAL DATA TOTAL HOURS IN CROP CONTROL - 800 KIND OF OPERATION - SPRAYING CROPS KIND OF CROP - COTTON TYPE OF CHEMICAL USED - LIQUID CHEMICAL-TOXIC PILOT' S SEAT BELT -UNKNOWN/NOT REPORTED GLOVES - USED GOGGLES - NOT USED CRASH HELMET - AVAILABLE USED COCKPIT CRASHPAD - NOT INSTALLED CRASH BAR - NOT INSTALLED TANK/HOPPER-LOCATION - SIDES TERRAIN-TYPE -LEVEL,FLAT ELEVATION-AREA BEING TREATED-FEET - 1200 SWATH RUN-HOW FLOWN - DOWNWIND REMARKS- RAPID INTENSE VIB,LNDD IN DAMP SOFT PLOWED FLD. SKID TOES DUG IN,M/R BLADE HIT T/R DRIVE & BOOM.
Aircraft
- Registration
- N4099G
- Reported as
- Bell 47G-5
- Category
- Helicopter
- Engine
- reciprocating
- Damage
- Substantial damage
N4099GRegistration cancelled Apr 4, 2017 · Bell 47G-5AAirframe modelBell 47G-5AEngine modelLycoming VO-435 series
Matched to the registry by N-number and the event date; the registry’s history has gaps, so older matches can be wrong. Compare the reported make and model.
FAA reports on this event · 1
The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.
Other investigations on N4099G · 2
Matched to the same aircraft by N-number and date.
NTSB LAX88DUG07Accident · No injuriesFinal reportPerris, CAOn liftoff, tail rotor control was lost and helicopter spun with main rotor striking terrain. Investigation revealed fatigue failure of engine mounting cage. The eng basket had failed and allowed the t/r drive shaft to pull out of the coupling. The basket had…NTSB LAX84LA424Accident · No injuriesLimited investigationFinal reportWinterhaven, CAThe acft collided with the ground during a takeoff attempt. According to the plt, after the acft was loaded with 60 gallons of pesticide a takeoff was begun. The acft became airborne and traveled about 300 ft when the plt inadvertantly allowed the rotor RPM…