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MKC74AK022

1973-11-14 · INDEPENDENCE, Iowa, United States · Fatal · 1 aircraft · Status: Completed

N40320 has since been reassigned. It is now registered to a different aircraft (ADAMS BALLOON A55S), which was not involved in this event.

Aircraft involved

Historical record (pre-1982 coded fields)

Aircraft
MAULE M4-220 · N40320
Damage
Destroyed
Craft type
Airplane
Classification
Accident
Light condition
Dawn
Weather
IMC
Phase of flight
D9
Operator type
D
Kind of flying
B0

Weather at impact

Sky
OVERCAST
Wind
050° / 13 kt
Temp
46° F

Aircraft history

Serial number
000000020950
Total time
300 hrs

Pilot

Certificate
Commercial — instrument
Total hours
327
Age
32

Probable cause (from PRE1982.MDB)

ERED CLOUDS AT 14000FT.

Investigator remarks

OPN ABOVE 12500FT MSL.NO SUPPLEMENTAL OXYGEN.ENT

Cause factors

  • 64/A/04 A
    PILOT IN COMMAND CONTINUED VFR FLIGHT INTO ADVERSE WEATHER CONDITIONS Cause — pilot/personnel action
  • 64/A/66 A
    PILOT IN COMMAND SPATIAL DISORIENTATION Cause — pilot/personnel action
  • 64/A/09 A
    PILOT IN COMMAND EXCEEDED DESIGNED STRESS LIMITS OF AIRCRAFT Cause — pilot/personnel action
  • 64/J/65 J
    PILOT IN COMMAND PHYSICAL IMPAIRMENT Joint cause
  • 88/J/68 J
    MISCELLANEOUS ACTS,CONDITIONS HYPOXIA Joint cause
  • 82/J/A J
    WEATHER LOW CEILING Joint cause
  • 82/J/Y J
    WEATHER OTHER Joint cause

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

Source: NTSB pre-1982 historical archive. Docket 3 4094. Source file NTSB_1973_3_4094.txt. Modern CAROL record on data.ntsb.gov ↗.

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