DEN72FTC09

NTSB accident investigation · Helio H-395 · Jackson, WY · October 6, 1971

Accident · No injuriesClosed
Date
October 6, 1971
Place
Jackson, WY · JACKSON, WY
Injuries
1 uninjured
Damage
Substantial damage
Phase of flight
Approach
Aircraft
N4198DHelio H-395
Status
Completed · report August 18, 1972
Report
Brief approved by the director
Case key
164054

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
----------------------------------------------------------------------------------------------------------------------------
3-4365   71/10/6   JACKSON,WYO         HELIO H-395         CR-  0  0  1  NONCOMMERCIAL             COMMERCIAL, AGE 47, 2400
        TIME - 1855                    N4198D              PX-  0  0  0  BUSINESS                  TOTAL HOURS, 61 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        NAME OF AIRPORT - JACKSONS HOLE
        DEPARTURE POINT             INTENDED DESTINATION
          LAS VEGAS,NEV               JACKSON,WYO
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           MISCELLANEOUS                                            LANDING: FINAL APPROACH
           GROUND-WATER LOOP-SWERVE                                 LANDING: ROLL
        PROBABLE CAUSE(S)
           SYSTEMS - FLIGHT CONTROL SYSTEMS: WING FLAP CONTROL SYSTEM ELECTRICAL
           MISCELLANEOUS ACTS,CONDITIONS - IMPROPERLY SECURED
           MISCELLANEOUS ACTS,CONDITIONS - ASYMETRICAL FLAPS
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE MAINTENANCE AND INSPECTION
        EMERGENCY CIRCUMSTANCES - PRECAUTIONARY LANDING ON AIRPORT
                                  SUSPECTED MECHANICAL DISCREPANCY
                                  DIRECTIONAL CONTROL PROBLEM
        REMARKS- L FLAP FULL DWN,R FLAP 1/2 DUE ACTUATOR LOOSE AT MOUNT.PLT DIDNT ATTEMPT TO RETRACT FLAPS BFOR LDG

Aircraft

Registration
N4198D
Reported as
Helio H-395
Category
Airplane
Engine
reciprocating
Damage
Substantial damage
Airport
Jacksons Hole

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.

Other investigations on N4198D · 2

Matched to the same aircraft by N-number and date.