CHI78FEC45

NTSB accident investigation · Grum Amer AA1-B · Milford, MI · August 4, 1978

Accident · Serious injuriesClosed
Date
August 4, 1978
Place
Milford, MI · MILFORD, MI
Injuries
1 serious
Damage
Destroyed
Phase of flight
Maneuvering
Aircraft
N1SUGrum Amer AA1-B
Status
Completed · report October 4, 1978
Report
Brief approved by the director
FAA report
19780804025669A
Case key
140027

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
----------------------------------------------------------------------------------------------------------------------------
3-2297   78/8/4  NR.MILFORD,MI         GRUM AMER AA1-B     CR-  0  1  0  NONCOMMERCIAL             PRIVATE, AGE 50, 426
        TIME - 1105                    N1SU                PX-  0  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 8 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          NEW HUDSON,MI               LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           STALL: SPIN                                              IN FLIGHT: ACROBATICS
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO OBTAIN/MAINTAIN FLYING SPEED
           PILOT IN COMMAND - IMPROPER OPERATION OF FLIGHT CONTROLS
        FACTOR(S)
           PILOT IN COMMAND - ATTEMPTED OPERATION BEYOND EXPERIENCE/ABILITY LEVEL
        REMARKS- ENTERED FLAT SPIN FROM A SPLIT-S MANEUVER.

Aircraft

Registration
N1SU
Reported as
Grum Amer AA1-B
Category
Airplane
Engine
reciprocating
Damage
Destroyed

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.