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19840505017089A

Accident · Substantial damage
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FAA accident report · Bell 47D1 · Ridge Farm, IL · May 5, 1984

FAA Aviation Safety Information Portal

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Date
May 5, 1984 · 20:02 local
Place
Ridge Farm, IL
Phase of flight
Pwr Off Run Land (Autorotation
Operating rules
Agricultural (Part 137)
Damage
Substantial damage
Aircraft
N13012
NTSB investigation
NTSBCHI84LA181
Reported as
Bell 47D1
Reported engine
Franklin 6VS335A
Fatal injuries
0
Pilot’s flight hours
1,751 total313 in this make and model6 in the last 90 days
N13012Registration cancelled Feb 8, 2018 · Bell 47D1S/N 648 · Built 1953Airframe modelBell 47D1Engine modelFranklin 6V4 seriesReciprocating

From the FAA’s Accident/Incident Data System (AIDS), through its Aviation Safety Information Portal, as reported. The NTSB investigates accidents separately, and its record of an accident is the fuller one. The aircraft is matched to the registry 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.

What happened

The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.

Lost engine and rotor RPM after takeoff. Made a hard autorotation landing and rolled over. No engine defects found.

As the FAA filed it

LOST ENGINE AND ROTOR RPM AFTER TAKEOFF. MADE A HARD AUTOROTATION LANDING AND ROLLED OVER. NO ENGINE DEFECTS FOUND.

NTSB investigation

The NTSB’s investigation of this event, with its probable cause and findings. Matched to this report by N-number and date.

NTSB CHI84LA181Accident · No injuriesLimited investigationFinal reportRidge Farm, ILThe helicopter rolled over after a hard landing following loss of rotor RPM. The plt reported that during initial climb at about 300 ft AGL the rotor decreased about 500 RPM. He tried to regain rotor RPM until about 100 ft AGL and then tried an autorotation.…May 6, 1984 · Substantial damage

Other reports on N13012 · 2

Matched to the same aircraft by N-number and date.

Accident 19980311003149ASfl Autorotation · Jeanerette, LAHeli was practicing approaches when it started to vibrate vertically and laterally, landed hard. Jeanerette, LA (-23) on March 12, 1998, it was reported that there had been an accident which involved a Bell 47-D1 aircraft. After further investigation, it was…Mar 11, 1998 · Substantial damageAccident 19740706017979AFcd/Prec Ldg From Cruise · Almyra, ARSpray pmp injestd stone whch causd eng accssry drv gr to shearJul 6, 1974 · Substantial damage