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Atlas / NTSB / DEN80IA055

NTSB CAROL · Event

Event DEN80IA055

1980-08-18 DENVER, Colorado, United States None 1 aircraft Status: Completed

Registry · N47RM

FAA Aircraft Registry record.

Make / Model

BEECH B200GT

Year of manufacture

2009

Engine

P&W CANADA PT6A-52 (898 hp)

Seats / Engines

9 seats · 2 engines

Last airworthiness date

20091223

ADS-B equipped

Yes — Mode-S A5C044

Registrant of record

SIOUX VALLEY TRANSPORT LLC

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

DEHAVILLAND DHC-7 · N47RM

Damage

Minor

Craft type

Airplane

Classification

C

Light condition

Dawn

Weather

VMC

Phase of flight

EB

Airport

STAPLETON INTL

Weather at impact

Sky

UNKNOWN/NOT REPORTED

Aircraft history

Serial number

000000000017

Pilot

Certificate

DA (DA)

Probable cause (from PRE1982.MDB)

RSIZE RADIUS ON FORGING.NUMBER SOB UNKN.

Investigator remarks

R SPOILER BELLCRANK MOUNTING BRACKET FAILED.UNDE

Cause factors

  • 68/A/J0 A
    PERSONNEL SUBSTANDARD QUALITY CONTROL Cause — pilot/personnel action
  • 75/A/CS A
    SYSTEMS WING SPOILER SYSTEM Cause — pilot/personnel action
  • 88/A/36 A
    MISCELLANEOUS ACTS,CONDITIONS FATIGUE FRACTURE 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 4 0011. Source file NTSB_1980_4_0011.txt. Modern CAROL record on data.ntsb.gov ↗.