# Accident 20000408042869A: Hughes 369D, Lemont, IL, April 8, 2000

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: April 8, 2000, 11:00 local time
- Place: Lemont, IL
- Damage: Substantial damage
- Phase of flight: Pwr Off Vert Land/Autorotate
- Operating rules: Rotorcraft external load (Part 133)
- Location: 41.6697° N, 87.9909° W: From the FAA, an estimate near the named town, within about 3 miles
- Nearby events: https://openairdocs.org/map.md?lat=41.6697&lon=-87.9909&mi=10
- Aircraft: N5070J (not matched to a registry record)
- Reported make and model: HUGHES 369D
- Reported engine: ALLSN 250C20B
- People aboard: 1
- Fatal injuries: 0
- NTSB investigation: [NTSB CHI00FA110](https://openairdocs.org/ntsb/CHI00FA110) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20000408042869A

## Narrative

As the FAA filed it, in capitals; the FAA replaces private details with ^PRIVACY DATA OMITTED^.

(-23) ON APRIL 8, 2000, AT 1100 CENTRAL DAYLIGHT TIME, A HUGHES 369D, N5070J, OPERATED BY HAVERFIELD INCORPORATED, RECEIVED SUBSTANTIAL DAMAGE ON IMPACT WITH TERRAIN FOLLOWING AN AUTOROTATION FROM APPROXIMATELY 100 FEET AGL NEAR LEMONT, ILLINOIS. THE HELICOPTER EXPERIENCED A TOTAL LOSS OF ENGINE POWER WHILE A PLATFORM WORKER WAS PERFORMING LIVE POWER LINE MAINTENANCE. THE CFR PART 133 EXTERNAL LOAD OPERATION WAS NOT OPERATING ON A FLIGHT PLAN. THE PILOT REPORTED NO INJURIES AND THE PLATFORM WORKER SUSTAINED MINOR INJURIES. THE FLIGHT ORIGINATED FROM THE JOLIET REGIONAL AIRPORT (JOT), JOLIET, ILLINOIS AT 0915.

## The NTSB's investigation of this event (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB CHI00FA110](https://openairdocs.org/ntsb/CHI00FA110), Apr 8, 2000: Hughes 369D (N5070J), Lemont, IL, substantial damage. Probable cause: the loss of engine power for undetermined reasons. A factor was the operation within the cross "hatched area" of the helicopter's height/velocity curve by the company.

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. For accidents, the NTSB's own investigation is the fuller record.

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