DEN67A0004

NTSB accident investigation · Cessna 310 · Longmont, CO · July 10, 1966

Accident · FatalClosed
Date
July 10, 1966
Place
Longmont, CO · LONGMONT, CO
Injuries
2 fatal
Damage
Destroyed
Phase of flight
Enroute
Aircraft
N115SUCessna 310
Status
Completed · report March 4, 1967
Report
Brief approved by the director
Case key
171104

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
----------------------------------------------------------------------------------------------------------------------------
2-0572  66/7/10    LONGMONT COLO       CESSNA 310          CR-  1  0  0  NONCOMMERCIAL             COMMERCIAL, FL.INSTR.,
        TIME - 0500                    N115SU              PX-  1  0  0  PLEASURE/PERSONAL TRANSP  AGE 40, 17500 TOTAL
                                       DAMAGE-DESTROYED    OT-  0  0  0                            HOURS, UNK/NR IN TYPE,
                                                                                                   NOT INSTRUMENT RATED.
        NAME OF AIRPORT - LONGMONT MUNI
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           FIRE OR EXPLOSION: IN FLIGHT                             IN FLIGHT: CLIMB TO CRUISE
           AIRFRAME FAILURE: IN FLIGHT                              IN FLIGHT: CLIMB TO CRUISE
        PROBABLE CAUSE(S)
           POWERPLANT - EXHAUST SYSTEM: STACKS
           MISCELLANEOUS ACTS,CONDITIONS - FATIGUE FRACTURE
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE MAINTENANCE AND INSPECTION
           MISCELLANEOUS ACTS,CONDITIONS - POOR WELD
           AIRFRAME - WINGS: SPARS
           MISCELLANEOUS ACTS,CONDITIONS - BURNED
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - SEPARATION IN FLIGHT
        REMARKS- FUEL FED FIRE CAUSED BY ESCAPING EXAHUST GASES BURNED THROUGH MAIN SPAR OF RIGHT WING.

Aircraft

Registration
N115SU
Reported as
Cessna 310
Category
Airplane
Engine
reciprocating
Damage
Destroyed
Airport
Longmont Muni

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.