- Date
- August 20, 1975
- Place
- Mumford, NY · MUMFORD, NY
- Injuries
- 1 minor
- Damage
- Destroyed
- Phase of flight
- Maneuvering
- Aircraft
- N9471FHughes 269B
- Status
- Completed · report October 15, 1975
- Report
- Brief approved by the director
- FAA report
- 19750820027159A
- Case key
- 150129
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 ---------------------------------------------------------------------------------------------------------------------------- 3-2511 75/8/20 MUMFORD,NY HUGHES 269B CR- 0 0 1 COMMERCIAL COMMERCIAL, AGE 25, 1325 TIME - 1755 N9471F PX- 0 0 0 AERIAL APPLICATION TOTAL HOURS, 810 IN TYPE, DAMAGE-DESTROYED OT- 0 0 0 INSTRUMENT RATED. DEPARTURE POINT INTENDED DESTINATION MUMFORD,NY LOCAL TYPE OF ACCIDENT PHASE OF OPERATION COLLIDED WITH: WIRES/POLES IN FLIGHT: SWATH RUN PROBABLE CAUSE(S) PILOT IN COMMAND - FAILED TO SEE AND AVOID OBJECTS OR OBSTRUCTIONS FACTOR(S) TERRAIN - HIDDEN OBSTRUCTIONS TERRAIN - HIGH OBSTRUCTIONS SPECIAL DATA TOTAL HOURS IN CROP CONTROL - 400 KIND OF OPERATION - SPRAYING CROPS KIND OF CROP - CORN TYPE OF CHEMICAL USED - LIQUID CHEMICAL-TOXIC PILOT' S SEAT BELT -FASTENED-PROPERLY GLOVES - NOT USED GOGGLES - NOT USED CRASH HELMET - AVAILABLE USED COCKPIT CRASHPAD - NOT INSTALLED CRASH BAR - NOT INSTALLED TANK/HOPPER-LOCATION - SIDES TERRAIN-TYPE -ROLLING ELEVATION-AREA BEING TREATED-FEET - 560 SWATH RUN-HOW FLOWN - WIND CALM REMARKS- HELO STRUCK WIRES ON TREE-OBSCURED POLES DRG SWATH RUN.
Aircraft
- Registration
- N9471F
- Reported as
- Hughes 269B
- Category
- Helicopter
- Engine
- reciprocating
- Damage
- Destroyed
N9471FRegistration cancelled May 5, 2015 · Hughes 269BAirframe modelHughes 269BEngine modelLycoming I0360 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 N9471F · 2
Matched to the same aircraft by N-number and date.
NTSB CHI06LA124Accident · No injuriesLimited investigationFinal reportSullivan, OHFatigue failure of the fuselage-to-tail boom cluster fitting, and the secondary failure of the tail rotor drive shaft. An additional cause was the incomplete compliance with an applicable Airworthiness Directive. A factor was the ditch.NTSB CHI84LA203Accident · No injuriesLimited investigationFinal reportToulon, ILThe plt landed the helicopter in a grassy area to talk to a friend. During departure, he flew over a corn field, & at that time, an empty paper/plastic corn seed sack was drawn up into the main rotor & a severe vibration began. He then landed in the field &…