Atlas / NTSB / SEA71DYG54

NTSB CAROL · Event

Event SEA71DYG54

1971-05-21 PASCO, Washington, United States None 1 aircraft Status: Completed

Registry · N8825Q

FAA Aircraft Registry record.

Make / Model

BOEING 737-8

Year of manufacture

2022

TCDS

A16WE · BOEING

Engine

CFM INTL LEAP-1B28 SER

Seats / Engines

175 seats · 2 engines

Last airworthiness date

20221213

ADS-B equipped

Yes — Mode-S AC2859

Registrant of record

SOUTHWEST AIRLINES CO

Source: FAA Aircraft Registry (releasable master file).

Aircraft involved

N8825Q Snow S2C None

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

SNOW S2C · N8825Q

Damage

Substantial

Craft type

Airplane

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

Cruise — descent (EF)

Operator type

Part 135 (air taxi/commuter)

Kind of flying

CB

Weather at impact

Sky

CLEAR

Aircraft history

Serial number

00000001525R

Total time

530 hrs

Pilot

Certificate

Commercial

Total hours

7,200

Age

50

Probable cause (from PRE1982.MDB)

AYING THIMET 600.

Investigator remarks

LANDED ON OILED ROAD TO UNPLUG SPRAY NOZZLES.SPR

Cause factors

64/C/79 C
PILOT IN COMMAND FAILED TO MAINTAIN DIRECTIONAL CONTROL Cause
64/L/35 L
PILOT IN COMMAND SELECTED UNSUITABLE TERRAIN

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 1672. Source file NTSB_1971_3_1672.txt. Modern CAROL record on data.ntsb.gov ↗.

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