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Atlas / NTSB / MKC77FER72

NTSB CAROL · Event

Event MKC77FER72

1977-07-31 MINNEAPOLIS, Minnesota, United States None 1 aircraft Status: Completed

Registry · N9314D

FAA Aircraft Registry record.

Make / Model

PIPER PA-22-160

Year of manufacture

1958 · 19 years old at event

Engine

LYCOMING 0-320 SERIES (180 hp)

Seats / Engines

4 seats · 1 engine

Last airworthiness date

19580812

ADS-B equipped

Yes — Mode-S ACEC48

Registrant of record

CALLAHAN ASHTON G

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-22 · N9314D

Damage

Substantial

Craft type

Airplane

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

Cruise — descent (EF)

Operator type

D

Airport

CRYSTAL AIRPORT

Kind of flying

B0

Weather at impact

Sky

OVERCAST

Wind

280° / 15 kt

Aircraft history

Serial number

0000022-6325

Total time

2,509 hrs

Pilot

Certificate

Commercial — instrument

Total hours

554

Age

49

Probable cause (from PRE1982.MDB)

D NOT REFLECT CHG NOR ENTRY MADE FOR APVL.DMGD WNG

Investigator remarks

AC CONVERTED TO CONVENTIONAL LAND GEAR.AC W&B DI

Cause factors

  • 64/A/22 A
    PILOT IN COMMAND IMPROPER OPERATION OF BRAKES AND/OR FLIGHT CONTROLS Cause — pilot/personnel action
  • 68/J/D6 J
    PERSONNEL INADEQUATE MAINTENANCE AND INSPECTION Joint cause
  • 88/J/AD J
    MISCELLANEOUS ACTS,CONDITIONS UNAPPROVED MODIFICATION Joint cause
  • 82/J/H J
    WEATHER UNFAVORABLE WIND CONDITIONS Joint cause

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 2477. Source file NTSB_1977_3_2477.txt. Modern CAROL record on data.ntsb.gov ↗.