NTSB CAROL · Event
Event DEN76ID033
Registry · N7HU
FAA Aircraft Registry record.
Make / Model
PIPER PA-30
Year of manufacture
1968 · 8 years old at event
TCDS
A1EA · PIPER AIRCRAFT INC
Engine
LYCOMING IO-320 SERIES (150 hp)
Seats / Engines
6 seats · 2 engines
Last airworthiness date
19680405
ADS-B equipped
Yes — Mode-S A9509E
Registrant of record
ROCA ROJA Y CABALLO GRIS DE IDAHO 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
BEECH H90 · N7HU
Damage
Minor
Craft type
Airplane
Classification
C
Light condition
Dusk
Weather
IMC
Phase of flight
EE
Operator type
E
Airport
STAPLETON INTL
Kind of flying
CI
Weather at impact
Sky
OVERCAST
Aircraft history
Serial number
000000LJ-155
Total time
8,532 hrs
Pilot
Certificate
DA (DA)
Total hours
8,012
Probable cause (from PRE1982.MDB)
EXTENSION MECHANISM.ACFT TAXIED IN SNOW PRIOR TKOF
Investigator remarks
PILOT UNABLE LOWER GEAR-ICE ON WHEEL STRUTS AND
Cause factors
- 70/A/CB A AIRFRAME NORMAL RETRACTION/EXTENSION ASSEMBLY Cause — pilot/personnel action
- 70/A/CC A AIRFRAME EMERGENCY/EXTENSION ASSEMBLY Cause — pilot/personnel action
- 88/A/89 A MISCELLANEOUS ACTS,CONDITIONS FROZEN, MOISTURE Cause — pilot/personnel action
- 82/J/F J WEATHER ICING CONDITIONS-INCLUDES SLEET,FREEZING RAIN,ETC. Joint cause
- 80/J/BC J AIRPORTS/AIRWAYS/FACILITIES SNOW ON RUNWAY 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
5 0005.
Source file
NTSB_1976_5_0005.txt.
Modern CAROL record on
data.ntsb.gov ↗.
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