# NTSB NYC73AN088: Amer Avco AA-1A, N9409L, Clermont, PA, December 19, 1972

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: December 19, 1972
- Place: Clermont, PA · CLERMONT, PA
- Location: 41.6895° N, 78.4884° W: Placed by OpenAirDocs: center of Clermont, PA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=41.6895&lon=-78.4884&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 2 fatal
- Status: Completed, report March 27, 1973
- Report: Brief approved by the director
- NTSB case key (mKey): 169329
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=NYC73AN088
- Page: https://openairdocs.org/ntsb/NYC73AN088

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3748  72/12/19   CLERMONT,PA         AMER AVCO AA-1A     CR-  1  0  0  NONCOMMERCIAL             COMMERCIAL, FL.INSTR.,
        TIME - 1612                    N9409L              PX-  1  0  0  BUSINESS                  AGE 37, 673 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            76 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          BRADFORD,PA                 BALTIMORE,MD
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: TREES                                     IN FLIGHT: OTHER
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - ATTEMPTED OPERATION W/KNOWN DEFICIENCIES IN EQUIPMENT
           PILOT IN COMMAND - CONTINUED VFR FLIGHT INTO ADVERSE WEATHER CONDITIONS
           MISCELLANEOUS ACTS,CONDITIONS - AIRFRAME ICE
        FACTOR(S)
           WEATHER - LOW CEILING
           WEATHER - FOG
           WEATHER - ICING CONDITIONS-INCLUDES SLEET,FREEZING RAIN,ETC.
        WEATHER BRIEFING - BRIEFED BY FLIGHT SERVICE PERSONNEL, IN PERSON
        WEATHER FORECAST - FORECAST SUBSTANTIALLY CORRECT
        MISSING AIRCRAFT - LATER RECOVERED
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          OVERCAST                                                  200
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          1 MILE OR LESS                                           RAIN
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TEMPERATURE-F
          FOG                                                       33
        WIND DIRECTION-DEGREES                                   WIND VELOCITY-KNOTS
          260                                                       10
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          IFR                                                      IFR
        REMARKS- FLEW INTO KNOWN ICING COND.ACFT NOT EQUIPPED WITH ANTI-ICER/DE-ICERS.UN MAINTAIN ALT.RCVR 12/23/72
```

## Aircraft

- Registration: [N9409L](https://openairdocs.org/deregistered/N9409L-1973-06-28), registration cancelled 1973-06-28, S/N AA1A-0209 (OpenAirDocs)
- Reported make and model: AMER AVCO AA-1A
- Registry model: [American AA-1A](https://openairdocs.org/model/american-aa-1a) (registry code 0630710) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage

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.

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