CHI71FBD49

NTSB accident investigation · Yankee AA1 · Crystal Lake, IL · January 9, 1971

Accident · No injuriesClosed
Date
January 9, 1971
Place
Crystal Lake, IL · CRYSTAL LAKE, IL
Injuries
1 uninjured
Damage
Substantial damage
Phase of flight
Landing
Aircraft
N5686LYankee AA1
Status
Completed · report November 24, 1971
Report
Brief approved by the director
Case key
159977

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
----------------------------------------------------------------------------------------------------------------------------
3-0465   71/1/9    CRYSTAL LAKE,ILL    YANKEE AA1          CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 27, 230
        TIME - 1200                    N5686L              PX-  0  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 165 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        NAME OF AIRPORT - CRYSTAL LAKE
        DEPARTURE POINT             INTENDED DESTINATION
          WEST CHICAGO,ILL            CRYSTAL LAKE,ILL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           HARD LANDING                                             LANDING: LEVEL OFF/TOUCHDOWN
           NOSE OVER/DOWN                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER LEVEL OFF
           PILOT IN COMMAND - IMPROPER RECOVERY FROM BOUNCED LANDING
        FACTOR(S)
           WEATHER - UNFAVORABLE WIND CONDITIONS
        WEATHER BRIEFING - BRIEFED BY FLIGHT SERVICE PERSONNEL, IN PERSON
        WEATHER FORECAST - FORECAST SUBSTANTIALLY CORRECT
        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                                                     LEFT CROSS WIND 248-292 DEGREES
        WIND DIRECTION-DEGREES                                   WIND VELOCITY-KNOTS
          180                                                       20
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          VFR                                                      IFR
        REMARKS- WIND GUSTING 20K.

Aircraft

Registration
N5686L
Reported as
Yankee AA1
Category
Airplane
Engine
reciprocating
Damage
Substantial damage
Airport
Crystal Lake

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 N5686L · 1

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