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Atlas / NTSB / NYC81IA057

NTSB CAROL · Event

Event NYC81IA057

1981-06-11 MIDDLETOWN, Pennsylvania, United States None 1 aircraft Status: Completed

Registry · N331CA

FAA Aircraft Registry record.

Make / Model

BOMBARDIER INC CL-600-2C10

Year of manufacture

2002

Engine

GE CF34 SERIES

Seats / Engines

80 seats · 2 engines

Last airworthiness date

20021025

ADS-B equipped

Yes — Mode-S A399B9

Registrant of record

DELTA AIR LINES 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

SHORTS SD3-30 · N331CA

Damage

None

Craft type

Airplane

Classification

C

Light condition

Dawn

Weather

VMC

Phase of flight

EY

Operator type

E

Airport

HARRISBURG INTL

Kind of flying

CI

Weather at impact

Sky

BROKEN/LOWER SCATTERED

Wind

250° / 6 kt

Temp

76° F

Aircraft history

Serial number

000000SH3015

Total time

5,467 hrs

Pilot

Certificate

DA (DA)

Total hours

7,400

Age

31

Probable cause (from PRE1982.MDB)

ROKEN WIRES ON DOWNLOCK SW,PN 216N9-10.

Investigator remarks

LNDD W UNSAFE INDICATION FOR R MAIN GEAR.FOUND B

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 5 0047. Source file NTSB_1981_5_0047.txt. Modern CAROL record on data.ntsb.gov ↗.