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Atlas / NTSB / FTW76FRD14

NTSB CAROL · Event

Event FTW76FRD14

1975-10-22 OPELOUSAS, Louisiana, United States None 1 aircraft Status: Completed

Registry · N8791L

FAA Aircraft Registry record.

Make / Model

PIPER PA-25-235

Year of manufacture

1970 · 5 years old at event

Engine

LYCOMING 0-540 SERIES (250 hp)

Seats / Engines

1 seats · 1 engine

Last airworthiness date

19700828

ADS-B equipped

Yes — Mode-S AC1A4B

Registrant of record

MARKES TIM

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

PIPER PA-25 · N8791L

Damage

Substantial

Craft type

Airplane

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

DN

Operator type

Part 135 (air taxi/commuter)

Airport

ST.LANDRY PARISH

Kind of flying

CB

Weather at impact

Sky

SCATTERED-ABOVE 1000 FEET

Aircraft history

Serial number

0000025-5278

Total time

1,103 hrs

Pilot

Certificate

Flight instructor (CFI)

Total hours

5,404

Age

28

Probable cause (from PRE1982.MDB)

AD TO AVOID TREES ON FINAL.

Investigator remarks

LOWER PLUGS FOULED,SAND PARTICLES IN FUEL. PLT H

Cause factors

  • 68/C/D6 C
    PERSONNEL INADEQUATE MAINTENANCE AND INSPECTION Cause
  • 74/C/BC C
    POWERPLANT SPARK PLUG Cause
  • 88/C/AR C
    MISCELLANEOUS ACTS,CONDITIONS CARBON DEPOSITS Cause
  • 84/C/G C
    MISCELLANEOUS FOREIGN MATERIAL AFFECTING NORMAL OPERATIONS Cause
  • 88/C/64 C
    MISCELLANEOUS ACTS,CONDITIONS FUEL CONTAMINATION-EXCLUSIVE OF WATER IN FUEL Cause
  • 84/B/7 B
    MISCELLANEOUS EVASIVE MANEUVER TO AVOID COLLISION
  • 83/K/I K
    TERRAIN HIGH OBSTRUCTIONS Joint factor

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 3 3014. Source file NTSB_1975_3_3014.txt. Modern CAROL record on data.ntsb.gov ↗.