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CHI82FEE03

1981-10-20 · ROMEOVILLE, Illinois, United States · Fatal · 1 aircraft · Status: Completed

Aircraft involved

Historical record (pre-1982 coded fields)

Aircraft
SONERAI II · N66LS
Damage
Destroyed
Craft type
Airplane
Classification
Accident
Light condition
Dawn
Weather
VMC
Phase of flight
Takeoff — initial climb (C1)
Operator type
D
Airport
LEWES-LOCKPORT
Kind of flying
B0

Weather at impact

Sky
CLEAR
Wind
250° / 20 kt
Temp
48° F

Aircraft history

Serial number
000000000006
Total time
55 hrs

Pilot

Certificate
Commercial
Total hours
824
Age
23

Probable cause (from PRE1982.MDB)

HARDNESS STANDARDS FOR 2024TS ALUMINUM.

Investigator remarks

AILERON COUNTERWEIGHT RIBS FD CONSIDERABLY BELOW

Cause factors

  • 68/A/J0 A
    PERSONNEL SUBSTANDARD QUALITY CONTROL Cause — pilot/personnel action
  • 70/A/D2 A
    AIRFRAME AILERON SURFACES,ATTACHMENTS Cause — pilot/personnel action
  • 88/A/46 A
    MISCELLANEOUS ACTS,CONDITIONS WRONG PART Cause — pilot/personnel action
  • 88/A/BT A
    MISCELLANEOUS ACTS,CONDITIONS FLUTTER Cause — pilot/personnel action
  • 70/J/AA J
    AIRFRAME SPARS Joint cause
  • 88/J/94 J
    MISCELLANEOUS ACTS,CONDITIONS OVERLOAD FAILURE Joint cause
  • 88/J/49 J
    MISCELLANEOUS ACTS,CONDITIONS SEPARATION IN FLIGHT Joint cause

Decoded against the NTSB Form 6120.4 cause-factor codebook (ct_Pre1982 table).

Source: NTSB pre-1982 historical archive. Docket 3 2969. Source file NTSB_1981_3_2969.txt. Modern CAROL record on data.ntsb.gov ↗.

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