# NTSB CHI77FEI28: Grum Amer AA-1, N5750L, Cleveland, OH, May 21, 1977

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: May 21, 1977
- Place: Cleveland, OH · CLEVELAND, OH
- Location: 41.4995° N, 81.6954° W: Placed by OpenAirDocs: center of Cleveland, OH, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=41.4995&lon=-81.6954&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report November 17, 1977
- Report: Brief approved by the director
- NTSB case key (mKey): 146730
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI77FEI28
- Page: https://openairdocs.org/ntsb/CHI77FEI28

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2622  77/5/21    CLEVELAND,OH        GRUM AMER AA-1      CR-  0  0  2  MISCELLANEOUS             COMMERCIAL, AGE 43, 1794
        TIME - 1800                    N5750L              PX-  0  0  0  TEST                      TOTAL HOURS, 35 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        NAME OF AIRPORT - BURKE LAKEFRONT
        DEPARTURE POINT             INTENDED DESTINATION
          CLEVELAND,OH                LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           STALL                                                    TAKEOFF: INITIAL CLIMB
        PROBABLE CAUSE(S)
           PERSONNEL - OPERATIONAL SUPERVISORY PERSONNEL: INADEQUATE SUPERVISION OF FLIGHT CREW
           DUAL STUDENT - IMPROPER COMPENSATION FOR WIND CONDITIONS
           DUAL STUDENT - FAILED TO OBTAIN/MAINTAIN FLYING SPEED
           MISCELLANEOUS - UNQUALIFIED PERSON OPERATED AIRCRAFT
        FACTOR(S)
           WEATHER - UNFAVORABLE WIND CONDITIONS
        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
          170                                                       10
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          VFR                                                      NONE
        REMARKS- STUDENT ASSIGNED MAINT FLT.OTR PLT,NOT A CFI,WAS ASKED TO GO ALONG,WAS TOLD BY STDNT HE HAD LIC.
```

## Aircraft

- Registration: N5750L (not matched to a registry record)
- Reported make and model: GRUM AMER AA-1
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Burke Lakefront

## FAA reports on this event (1)

The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs).

- [Accident 19770521017439A](https://openairdocs.org/incident/19770521017439A), May 21, 1977: Grumav AA1, Cleveland, OH, Substantial damage. Student assigned maint flt. Otr plt,not a CFI,was asked to go along,was told by stdnt he had lic.

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.