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Atlas / NTSB / IAD77FIG19

NTSB CAROL · Event

Event IAD77FIG19

1977-05-20 LAYTONSVILLE, Maryland, United States Minor 1 aircraft Status: Completed

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 PA22 · N1612P

Damage

Substantial

Craft type

Airplane

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

Takeoff — initial climb (C1)

Operator type

D

Airport

DAVIS

Kind of flying

B0

Weather at impact

Sky

CLEAR

Temp

69° F

Aircraft history

Serial number

0000022-2426

Total time

3,632 hrs

Pilot

Certificate

Commercial — instrument

Total hours

310

Age

27

Probable cause (from PRE1982.MDB)

ORNE THEN BEGAN TO SINK, RAISED FLAPS & TURNED.

Investigator remarks

DURING TKOF ROLL FLAPS LOWERED, ACFT BECAME AIRB

Cause factors

  • 64/C/16 C
    PILOT IN COMMAND FAILED TO OBTAIN/MAINTAIN FLYING SPEED Cause
  • 64/C/71 C
    PILOT IN COMMAND MISUSED OR FAILED TO USE FLAPS Cause
  • 88/L/16 L
    MISCELLANEOUS ACTS,CONDITIONS FAILED TO USE ALL AVAILABLE RUNWAY
  • 88/L/21 L
    MISCELLANEOUS ACTS,CONDITIONS PREMATURE FLAP RETRACTION

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 1905. Source file NTSB_1977_3_1905.txt. Modern CAROL record on data.ntsb.gov ↗.