Atlas / NTSB / DEN73FTE73

NTSB CAROL · Event

Event DEN73FTE73

1973-04-28 AURORA, Colorado, United States None 1 aircraft Status: Completed

Registry · N2631S

FAA Aircraft Registry record.

Make / Model

CESSNA 310R

Year of manufacture

1979

TCDS

3A10 · TEXTRON AVIATION INC

Engine

CONT MOTOR IO 520 SERIES (285 hp)

Seats / Engines

6 seats · 2 engines

Last airworthiness date

19790420

ADS-B equipped

Yes — Mode-S A28CAE

Registrant of record

ASPLUNDH ERIC P

Source: FAA Aircraft Registry (releasable master file).

Aircraft involved

N2631S Cessna 337C None

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

CESSNA 337C · N2631S

Damage

Substantial

Craft type

Airplane

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

EJ

Operator type

Personal/private

Airport

SKY RANCH

Kind of flying

A0

Weather at impact

Sky

CLEAR

Temp

65° F

Aircraft history

Serial number

0000337-0931

Total time

1,225 hrs

Pilot

Certificate

Flight instructor (CFI)

Total hours

2,948

Age

43

Probable cause (from PRE1982.MDB)

DENS ALT OF 7200 FT.UN MAINTAIN FLT,LND GR UP.

Investigator remarks

LOST PWR ON FRONT ENG WHEN BOOST PUMP MISUSED IN

Cause factors

64/C/21 C
PILOT IN COMMAND IMPROPER OPERATION OF POWERPLANT & POWERPLANT CONTROLS Cause
64/B/16 B
PILOT IN COMMAND FAILED TO OBTAIN/MAINTAIN FLYING SPEED
88/L/07 L
MISCELLANEOUS ACTS,CONDITIONS IMPROPER EMERGENCY PROCEDURES
82/L/W L
WEATHER HIGH DENSITY ALTITUDE
88/K/DG K
MISCELLANEOUS ACTS,CONDITIONS INTENTIONAL WHEELS-UP Joint factor

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 0872. Source file NTSB_1973_3_0872.txt. Modern CAROL record on data.ntsb.gov ↗.

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