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Atlas / NTSB / MKC73AK031

NTSB CAROL · Event

Event MKC73AK031

1972-11-01 ST.LOUIS, Missouri, United States Serious 1 aircraft Status: Completed

Registry · N784TW

FAA Aircraft Registry record.

Make / Model

MCDONNELL DOUGLAS DC-9-15F

Year of manufacture

1967 · 5 years old at event

Engine

P & W JT8D SERIES

Seats / Engines

116 seats · 2 engines

Last airworthiness date

19770830

ADS-B equipped

Yes — Mode-S AAA120

Registrant of record

SIERRA AMERICAN CORP

Source: FAA Aircraft Registry (releasable master file).

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

BOEING 707 · N784TW

Damage

Minor

Craft type

Airplane

Classification

Accident

Light condition

Dawn

Weather

IMC

Phase of flight

Cruise — descent (EF)

Airport

LAMBERT

Weather at impact

Sky

OBSCURATION

Wind

190° / 7 kt

Aircraft history

Serial number

00000018403

Total time

35,075 hrs

Pilot

Certificate

DA (DA)

Total hours

8,876

Age

41

Probable cause (from PRE1982.MDB)

AX INJ OCCURRED DURING EVAC.

Investigator remarks

NR 2 ENG CAUGHT FIRE,FUEL RET ELBOW SEPARATED. P

Cause factors

  • 74/C/SE C
    POWERPLANT FUEL CONTROL Cause
  • 88/C/BM C
    MISCELLANEOUS ACTS,CONDITIONS DISCONNECTED Cause
  • 88/B/51 B
    MISCELLANEOUS ACTS,CONDITIONS FIRE IN ENGINE

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 1 0038. Source file NTSB_1972_1_0038.txt. Modern CAROL record on data.ntsb.gov ↗.