# NTSB LAX74DUJ53: Travel Air 4000, N5433, Phoenix, AZ, May 2, 1974

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: May 2, 1974
- Place: Phoenix, AZ · PHOENIX, AZ
- Location: 33.4484° N, 112.0740° W: Placed by OpenAirDocs: center of Phoenix, AZ, within about 13 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=33.4484&lon=-112.0740&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report June 12, 1974
- Report: Brief approved by the director
- NTSB case key (mKey): 186155
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX74DUJ53
- Page: https://openairdocs.org/ntsb/LAX74DUJ53

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0998   74/5/2    PHOENIX,ARIZ        TRAVEL AIR 4000     CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 29, 2186
        TIME - 1000                    N5433               PX-  0  0  0  ASSOC CROP CTL ACTIVITY   TOTAL HOURS, 1600 IN
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          TOLLESON,ARIZ               LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: EN ROUTE TO TREAT CROP
           COLLIDED WITH: DIRT BANK                                 LANDING: ROLL
        PROBABLE CAUSE(S)
           POWERPLANT - ENGINE STRUCTURE: CYLINDER ASSEMBLY
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
           MISCELLANEOUS ACTS,CONDITIONS - NOT ALIGNED WITH RUNWAY/INTENDED LANDING AREA
           TERRAIN - ROUGH/UNEVEN
        PARTIAL POWER LOSS - PARTIAL LOSS OF POWER - 1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL - 1800                       KIND OF OPERATION - SPRAYING CROPS
          KIND OF CROP - OTHER                                     TYPE OF CHEMICAL USED - LIQUID CHEMICAL-TOXIC
          PILOT' S SEAT BELT -FASTENED-PROPERLY                    GLOVES - USED
          GOGGLES - NOT USED                                       CRASH HELMET - AVAILABLE USED
          COCKPIT CRASHPAD - NOT INSTALLED                         CRASH BAR - NOT INSTALLED
          TANK/HOPPER-LOCATION - FORWARD OF PILOT
        REMARKS- NO.7 CYL CRACKED.ATTEMPTED EMERG LDG ON DIRT RD WITH LOW AIRSPEED,LOW ALT.SPRAYING ALFALFA.
```

## Aircraft

- Registration: [N5433](https://openairdocs.org/aircraft/N5433), registered now, S/N 522, built 1928 (OpenAirDocs)
- Reported make and model: TRAVEL AIR 4000
- Registry model: [Travel Air 4000](https://openairdocs.org/model/travel-air-4000) (registry code 2621818) (OpenAirDocs)
- Registry engine: [Lycoming R680](https://openairdocs.org/engine/lycoming-r680) (registry code 41540, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage

## 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 19740502011919A](https://openairdocs.org/incident/19740502011919A), May 2, 1974: Curtis TRVAIR4000, Phoenix, AZ, Substantial damage. No.7 cyl cracked. Attempted emerg ldg on dirt rd with low airspeed,low alt. Spraying alfalfa.

## Other investigations on N5433 (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 FTW01LA173](https://openairdocs.org/ntsb/FTW01LA173), Aug 3, 2001: Curtis-Travel Air 4000 (N5433), Morrilton, AR, substantial damage. Probable cause: the pilot's failure to maintain aircraft control during takeoff. Contributing factors were the pilot's lack of experience in the accident airplane, and the rough/uneven runway.

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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