NTSB CAROL · Event
Event SEA77FYP37
Registry · N501
FAA Aircraft Registry record.
Make / Model
CESSNA 501
Year of manufacture
1977 · 0 years old at event
Engine
P&W CANADA JT15D-1
Seats / Engines
8 seats · 2 engines
Last airworthiness date
19770413
ADS-B equipped
Yes — Mode-S A63DA6
Registrant of record
STALLION AIRCRAFT 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 AT-11 · N501
Damage
Substantial
Craft type
Airplane
Classification
Accident
Light condition
Dawn
Weather
VMC
Phase of flight
Cruise — descent (EF)
Operator type
D
Airport
ATHOL AIRPORT
Kind of flying
DG
Weather at impact
Sky
CLEAR
Wind
030° / 2 kt
Aircraft history
Serial number
00042-37494A
Total time
4,983 hrs
Pilot
Certificate
Commercial
Total hours
803
Age
29
Investigator remarks
FAILURE OF R MLG TORQUE TUBE.
Cause factors
- 70/A/CB A AIRFRAME NORMAL RETRACTION/EXTENSION ASSEMBLY Cause — pilot/personnel action
- 88/A/95 A MISCELLANEOUS ACTS,CONDITIONS MATERIAL FAILURE 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
3 2890.
Source file
NTSB_1977_3_2890.txt.
Modern CAROL record on
data.ntsb.gov ↗.
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