# NTSB CHI79DEP31: Grumman AA1-A, N72562, Wausau, WI, February 19, 1979

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: February 19, 1979
- Place: Wausau, WI · WAUSAU, WI
- Location: 44.9618° N, 89.6465° W: Placed by OpenAirDocs: center of Wausau, WI, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=44.9618&lon=-89.6465&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 2 minor
- Status: Completed, report May 3, 1979
- Report: Brief approved by the director
- NTSB case key (mKey): 137428
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI79DEP31
- Page: https://openairdocs.org/ntsb/CHI79DEP31

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0487  79/2/19    WAUSAU,WI           GRUMMAN AA1-A       CR-  0  0  2  INSTRUCTIONAL             COMMERCIAL, FL.INSTR.,
        TIME - 1250                    N72562              PX-  0  0  0  DUAL                      AGE 26, 376 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            29 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - WAUSAU MUNICIPAL
        DEPARTURE POINT             INTENDED DESTINATION
          OSHKOSH WI                  WAUSAU,WI
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           HARD LANDING                                             LANDING: LEVEL OFF/TOUCHDOWN
           COLLIDED WITH: SNOWBANK                                  TAKEOFF: ABORTED
        PROBABLE CAUSE(S)
           DUAL STUDENT - IMPROPER LEVEL OFF
           PILOT IN COMMAND - INADEQUATE SUPERVISION OF FLIGHT
           PILOT IN COMMAND - IMPROPER RECOVERY FROM BOUNCED LANDING
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - TOUCH AND GO LANDING
           AIRPORTS/AIRWAYS/FACILITIES - AIRPORT CONDITIONS: SNOW ON RUNWAY
           MISCELLANEOUS ACTS,CONDITIONS - RAN OFF END OF RUNWAY
        REMARKS- ACFT PORPOISED.
```

## Aircraft

- Registration: N72562 (not matched to a registry record)
- Reported make and model: GRUMMAN AA1-A
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Wausau Municipal

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.
