# NTSB UNK69X0103: Mooney M20A, N6544B, Mexico City, Mexico, December 31, 1968

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: December 31, 1968
- Place: Mexico City, Mexico · MEXICO CITY, Mexico
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 4 uninjured
- Status: Completed, report January 21, 1970
- Report: Brief approved by the director
- NTSB case key (mKey): 191443
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=UNK69X0103
- Page: https://openairdocs.org/ntsb/UNK69X0103

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
6-0080  68/12/31   MEXICO CITY,MEX     MOONEY M20A         CR-  0  0  1  NONCOMMERCIAL             COMMERCIAL, AGE 32, 700
        TIME - 1440                    N6544B              PX-  0  0  3  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 100 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        NAME OF AIRPORT - MEXICO CITY INTL
        DEPARTURE POINT             INTENDED DESTINATION
          MEXICO CITY,MEX             BROWNSVILLE,TEX
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           STALL: MUSH                                              TAKEOFF: INITIAL CLIMB
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
           MISCELLANEOUS ACTS,CONDITIONS - IMPROPERLY LOADED AIRCRAFT-WEIGHT-AND/OR C.G.
        FACTOR(S)
           WEATHER - HIGH DENSITY ALTITUDE
        WEATHER BRIEFING - UNKNOWN/NOT REPORTED
        WEATHER FORECAST - FORECAST SUBSTANTIALLY CORRECT
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          BROKEN                                                    3500
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          2 MILES OR LESS                                          NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  RELATIVE BEARING OF WIND
          HAZE                                                     CALM
        TEMPERATURE-F                                            TYPE OF WEATHER CONDITIONS
           68                                                      VFR
        TYPE OF FLIGHT PLAN
          VFR
         FIRE AFTER IMPACT
        REMARKS- DENSITY ALT ABOUT 9600 FT. ACFT OVER T/O GROSS WT 144 LBS. INVESTIGATED/REPORTED BY MEXICAN GOVT.
```

## Aircraft

- Registration: [N6544B](https://openairdocs.org/deregistered/N6544B-1974-07-20), registration cancelled 1974-07-20, S/N 1213 (OpenAirDocs)
- Reported make and model: MOONEY M20A
- Registry model: [Mooney M20A](https://openairdocs.org/model/mooney-m20a) (registry code 5870204) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Mexico City Intl

## Other investigations on N6544B (1)

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 UNK64X0496](https://openairdocs.org/ntsb/UNK64X0496), Feb 8, 1964: Mooney M20A (N6544B), Allentown, PA, 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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