DEN73FTE73

NTSB accident investigation · Cessna 337C · Aurora, CO · April 28, 1973

Accident · No injuriesClosed
Date
April 28, 1973
Place
Aurora, CO · AURORA, CO
Injuries
5 uninjured
Damage
Substantial damage
Phase of flight
Approach
Aircraft
N2631SCessna 337C
Status
Completed · report June 5, 1973
Report
Brief approved by the director
FAA report
19730428010009A
Case key
190764

From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.

On this page

NTSB brief

NTSB’s brief of the accident, as it was printed: the coded facts, with the probable cause and factors.

----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0872  73/4/28    AURORA,COLO         CESSNA 337C         CR-  0  0  2  INSTRUCTIONAL             COMMERCIAL, FL.INSTR.,
        TIME - 1230                    N2631S              PX-  0  0  3  DUAL                      AGE 43, 2948 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            75 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - SKY RANCH
        DEPARTURE POINT             INTENDED DESTINATION
          BOULDER,COLO                AURORA,COLO
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            LANDING: GO-AROUND
           WHEELS-UP                                                LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER OPERATION OF POWERPLANT & POWERPLANT CONTROLS
           PILOT IN COMMAND - FAILED TO OBTAIN/MAINTAIN FLYING SPEED
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - IMPROPER EMERGENCY PROCEDURES
           WEATHER - HIGH DENSITY ALTITUDE
           MISCELLANEOUS ACTS,CONDITIONS - INTENTIONAL WHEELS-UP
        PARTIAL POWER LOSS - PARTIAL LOSS OF POWER - 1 ENGINE
        WEATHER BRIEFING - NO RECORD OF BRIEFING RECEIVED
        WEATHER FORECAST - FORECAST SUBSTANTIALLY CORRECT
        EMERGENCY CIRCUMSTANCES - FORCED LANDING ON AIRPORT/SEAPLANE BASE/HELIPT.
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          CLEAR                                                    UNLIMITED
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  RELATIVE BEARING OF WIND
          NONE                                                     CALM
        TEMPERATURE-F                                            TYPE OF WEATHER CONDITIONS
           65                                                      VFR
        TYPE OF FLIGHT PLAN
          NONE
        REMARKS- LOST PWR ON FRONT ENG WHEN BOOST PUMP MISUSED IN DENS ALT OF 7200 FT.UN MAINTAIN FLT,LND GR UP.

Aircraft

Registration
N2631S
Reported as
Cessna 337C
Category
Airplane
Engine
reciprocating
Damage
Substantial damage
Airport
Sky Ranch

Matched to the registry by N-number and the event date; the registry’s history has gaps, so older matches can be wrong. Compare the reported make and model.

FAA reports on this event · 1

The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.