# NTSB IAD73FKW24: Amer Avco AA-1, N5621L, Chattanooga, TN, April 19, 1973

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: April 19, 1973
- Place: Chattanooga, TN · CHATTANOOGA, TN
- Location: 35.0456° N, 85.3097° W: Placed by OpenAirDocs: center of Chattanooga, TN, within about 7 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=35.0456&lon=-85.3097&mi=10
- Phase of flight: [Taxi](https://openairdocs.org/ntsb-phases/250) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report June 7, 1973
- Report: Brief approved by the director
- NTSB case key (mKey): 170594
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=IAD73FKW24
- Page: https://openairdocs.org/ntsb/IAD73FKW24

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0945  73/4/19    CHATTANOOGA,TENN    AMER AVCO AA-1      CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 28, 280
        TIME - 2045                    N5621L              PX-  0  0  0  BUSINESS                  TOTAL HOURS, 222 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - LOVELL FIELD
        DEPARTURE POINT             INTENDED DESTINATION
          ROANOKE,VA                  CHATTANOOGA,TENN
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: DITCHES                                   TAXI: FROM LANDING
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - SELECTED UNSUITABLE TERRAIN
        FACTOR(S)
           AIRPORTS/AIRWAYS/FACILITIES - AIRPORT CONDITIONS: OTHER
        REMARKS- TAXIED OFF TAXIWAY INTO CONSTRUCTION AREA MARKED BY REFLECTORS.ACFT NOT EQPD WITH LDG LGT.
```

## Aircraft

- Registration: [N5621L](https://openairdocs.org/deregistered/N5621L-2013-04-22), registration cancelled 2013-04-22, S/N AA1-0023, built 1968 (OpenAirDocs)
- Reported make and model: AMER AVCO AA-1
- Registry model: [American AA-1](https://openairdocs.org/model/american-aa-1) (registry code 0630610) (OpenAirDocs)
- Registry engine: [Lycoming 0-235 series](https://openairdocs.org/engine/lycoming-0-235-series) (registry code 41505, 4 cycle) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Lovell Field

## 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 19730419010049A](https://openairdocs.org/incident/19730419010049A), Apr 19, 1973: Grumav AA1, Chattanooga, TN, Substantial damage. Taxied off taxiway into construction area marked by reflectors. Acft not eqpd with ldg lgt.

## Other investigations on N5621L (2)

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.

- [NTSB CHI80FEM36](https://openairdocs.org/ntsb/CHI80FEM36), Jul 17, 1980: Grum-Amer AA-1 (N5621L), Midland, MI, destroyed
- [NTSB CHI71DEE79](https://openairdocs.org/ntsb/CHI71DEE79), May 30, 1971: Amer Avco AA1 (N5621L), Pecatonica, IL, 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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