# NTSB FTW7LDQG38: Monocoupe 90AL, N1161, Midland, TX, November 10, 1975

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: November 10, 1975
- Place: Midland, TX · MIDLAND, TX
- Location: 31.9973° N, 102.0779° W: Placed by OpenAirDocs: center of Midland, TX, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=31.9973&lon=-102.0779&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report December 11, 1975
- Report: Brief approved by the director
- NTSB case key (mKey): 151858
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=FTW7LDQG38
- Page: https://openairdocs.org/ntsb/FTW7LDQG38

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3418  75/11/10   MIDLAND,TX          MONOCOUPE 90AL      CR-  0  0  1  NONCOMMERCIAL             COMMERCIAL, AGE 53, 8645
        TIME - 1345                    N1161               PX-  0  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 15 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        NAME OF AIRPORT - SKYRANCH
        DEPARTURE POINT             INTENDED DESTINATION
          MIDLAND,TX                  LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GROUND-WATER LOOP-SWERVE                                 LANDING: LEVEL OFF/TOUCHDOWN
           COLLIDED WITH: DIRT BANK                                 LANDING: ROLL
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER OPERATION OF BRAKES AND/OR FLIGHT CONTROLS
        FACTOR(S)
           PILOT IN COMMAND - MISJUDGED SPEED
```

## Aircraft

- Registration: [N1161](https://openairdocs.org/deregistered/N1161-2018-02-08), registration cancelled 2018-02-08, S/N 862, built 1948 (OpenAirDocs)
- Reported make and model: MONOCOUPE 90AL
- Registry model: [Monocoupe 90AL-115](https://openairdocs.org/model/monocoupe-90al-115) (registry code 5810110) (OpenAirDocs)
- Registry engine: [Warner SS185 series](https://openairdocs.org/engine/warner-ss185-series) (registry code 64505, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Skyranch

## Other investigations on N1161 (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 CHI04LA158](https://openairdocs.org/ntsb/CHI04LA158), Jun 19, 2004: Monocoupe 90AL-115 (N1161), St. Paul, MO, destroyed, 2 fatal. Probable cause: The pilot's failure to maintain altitude/clearance from the terrain while maneuvering.

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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