# NTSB SEA73FYG28: Amer Avco AA1, N5771L, Colville, WA, April 13, 1973

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Closed
- Date: April 13, 1973
- Place: Colville, WA · COLVILLE, WA
- Location: 48.5454° N, 117.8985° W: Placed by OpenAirDocs: center of Colville, WA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=48.5454&lon=-117.8985&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 1 serious, 1 minor
- Status: Completed, report June 6, 1973
- Report: Brief approved by the director
- NTSB case key (mKey): 170634
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA73FYG28
- Page: https://openairdocs.org/ntsb/SEA73FYG28

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0885  73/4/13    COLVILLE,WASH       AMER AVCO AA1       CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 46, 605
        TIME - 1705                    N5771L              PX-  0  1  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 375 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - COLVILLE MUNI
        DEPARTURE POINT             INTENDED DESTINATION
          COLVILLE,WASH               WINTHROP,WASH
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH GROUND/WATER: UNCONTROLLED                TAKEOFF: INITIAL CLIMB
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER COMPENSATION FOR WIND CONDITIONS
           PILOT IN COMMAND - MISJUDGED SPEED
           WEATHER - DOWNDRAFT,UPDRAFTS
        WEATHER BRIEFING - BRIEFED BY FLIGHT SERVICE PERSONNEL, BY PHONE
        WEATHER FORECAST - FORECAST SUBSTANTIALLY CORRECT
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          SCATTERED                                                UNLIMITED
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TEMPERATURE-F
          NONE                                                      45
        WIND DIRECTION-DEGREES                                   WIND VELOCITY-KNOTS
          360                                                       20
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          VFR                                                      VFR
        REMARKS- WIND GUSTING 30K,ACFT HIT GRND WITH L WG.
```

## Aircraft

- Registration: [N5771L](https://openairdocs.org/deregistered/N5771L-1974-04-23), registration cancelled 1974-04-23, S/N AA1-0171 (OpenAirDocs)
- Reported make and model: AMER AVCO AA1
- Registry model: [American AA-1](https://openairdocs.org/model/american-aa-1) (registry code 0630610) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Colville Muni

## 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 19730413007289A](https://openairdocs.org/incident/19730413007289A), Apr 13, 1973: Grumav AA1, Colville, WA, Substantial damage. Wind gusting 30K,acft hit grnd with l wg.

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.