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Atlas / NTSB / MIA75IM088

NTSB CAROL · Event

Event MIA75IM088

1975-06-16 KEY WEST, Florida, United States None 1 aircraft Status: Completed

Aircraft involved

Historical record (pre-1982)

NTSB recorded this accident in the pre-1982 coded-field schema — structured fields rather than free-text narrative. Decoded codes use established NTSB single-letter taxonomies; cause factors remain verbatim pending the Form 6120.4 codebook lookup.

Aircraft

MARTIN 404 · N40425

Damage

Minor

Craft type

Airplane

Classification

C

Light condition

Dawn

Weather

VMC

Phase of flight

D0

Operator type

E

Airport

KEY WEST INTL

Kind of flying

CI

Weather at impact

Sky

SCATTERED-ABOVE 1000 FEET

Wind

150° / 10 kt

Temp

86° F

Aircraft history

Serial number

000000014131

Total time

27,977 hrs

Pilot

Certificate

DA (DA)

Total hours

7,500

Age

38

Probable cause (from PRE1982.MDB)

OWED SLUGGISH OPERATION OF ENG FIRE EXT SYST.

Investigator remarks

NR2 ENG HYD PRESS LINE RUPTURED.POST FLT TEST SH

Cause factors

  • 75/A/BD A
    SYSTEMS RESERVOIR,LINES,FITTINGS Cause — pilot/personnel action
  • 88/A/95 A
    MISCELLANEOUS ACTS,CONDITIONS MATERIAL FAILURE Cause — pilot/personnel action
  • 75/J/HA J
    SYSTEMS POWERPLANT Joint cause
  • 88/J/BR J
    MISCELLANEOUS ACTS,CONDITIONS ERRATIC Joint cause
  • 88/J/51 J
    MISCELLANEOUS ACTS,CONDITIONS FIRE IN ENGINE Joint cause

Decoded against the NTSB Form 6120.4 cause-factor codebook (ct_Pre1982 table). Each row shows the raw triplet, modifier (Cause / Factor / etc.), category, and specific code.

Source: NTSB pre-1982 historical archive. Docket 5 0011. Source file NTSB_1975_5_0011.txt. Modern CAROL record on data.ntsb.gov ↗.