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Atlas / NTSB / CHI70F0258

NTSB CAROL · Event

Event CHI70F0258

1969-09-19 SPARTA, Michigan, United States None 1 aircraft Status: Completed

Registry · N86334

FAA Aircraft Registry record.

Make / Model

EMBRAER S A ERJ 170-200 LR

Year of manufacture

2016

Engine

GE CF34-8E5

Seats / Engines

88 seats · 2 engines

Last airworthiness date

20160129

ADS-B equipped

Yes — Mode-S ABDCDA

Registrant of record

UNITED AIRLINES INC

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

CESSNA 337D · N86334

Damage

Substantial

Craft type

Airplane

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

EE

Operator type

D

Airport

SPARTA

Kind of flying

A0

Weather at impact

Sky

BROKEN

Aircraft history

Serial number

0000337-1152

Total time

20 hrs

Pilot

Certificate

Flight instructor (CFI)

Total hours

1,330

Age

23

Probable cause (from PRE1982.MDB)

UNCTIONED.NOSE GR DOWN,LOCKED,MAIN GRS IN WELLS.

Investigator remarks

BOTH R AND L GR DOWNLOCK SWITCHES,PN 1SE3-3,MALF

Cause factors

  • 70/A/CN A
    AIRFRAME SWITCHES,LEVERS,CRANKING MECHANISM,ETC. Cause — pilot/personnel action
  • 88/A/95 A
    MISCELLANEOUS ACTS,CONDITIONS MATERIAL FAILURE Cause — pilot/personnel action

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 4018. Source file NTSB_1969_3_4018.txt. Modern CAROL record on data.ntsb.gov ↗.