NTSB CAROL · Event
Event SEA79FA018
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
HANDLY-PAGE HP-137 · N14RJ
Damage
Substantial
Craft type
Airplane
Classification
Accident
Light condition
Dusk
Weather
VMC
Phase of flight
C0
Operator type
E
Airport
MISSOULA COUNTY
Kind of flying
CI
Weather at impact
Sky
SCATTERED-ABOVE 1000 FEET
Temp
7° F
Aircraft history
Serial number
000000000202
Total time
4,246 hrs
Pilot
Certificate
DA (DA)
Total hours
15,725
Age
50
Probable cause (from PRE1982.MDB)
SPD.CREW NOT AWARE RWY NOT FULLY PLOWED.
Investigator remarks
LH MAIN WHEEL ENC 8 IN SNOW BERM ON RUNWAY AT VR
Cause factors
- 64/C/79 C PILOT IN COMMAND FAILED TO MAINTAIN DIRECTIONAL CONTROL Cause
- 80/L/BC L AIRPORTS/AIRWAYS/FACILITIES SNOW ON RUNWAY
- 68/L/H1 L PERSONNEL FAILURE TO NOTIFY OF UNSAFE COND/AND OR FAILURE TO MARK OBSTRUCTION
- 68/L/H2 L PERSONNEL IMPROPER/INADEQUATE SNOW REMOVAL
- 68/L/I2 L PERSONNEL FAILURE TO ISSUE NOTAM
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 0172.
Source file
NTSB_1979_3_0172.txt.
Modern CAROL record on
data.ntsb.gov ↗.
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