# NTSB LAX75FUM03: GR Lakes 2T-1A, N502GL, Holtville, CA, August 10, 1974

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: August 10, 1974
- Place: Holtville, CA · HOLTVILLE, CA
- Location: 32.8138° N, 115.3783° W: Placed by OpenAirDocs: center of Holtville, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=32.8138&lon=-115.3783&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor
- Status: Completed, report September 25, 1974
- Report: Brief approved by the director
- NTSB case key (mKey): 134480
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX75FUM03
- Page: https://openairdocs.org/ntsb/LAX75FUM03

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2399  74/8/10    HOLTVILLE,CALIF     GR LAKES 2T-1A      CR-  0  0  1  MISCELLANEOUS             COMMERCIAL, AGE 28, 3555
        TIME - 1015                    N502GL              PX-  0  0  0  DEMONSTRATION             TOTAL HOURS, 120 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        NAME OF AIRPORT - HOLTVILLE
        DEPARTURE POINT             INTENDED DESTINATION
          HOLTVILLE,CALIF             LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH GROUND/WATER: CONTROLLED                  LANDING: OTHER
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER IN-FLIGHT DECISIONS OR PLANNING
           PILOT IN COMMAND - MISJUDGED ALTITUDE
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE
        REMARKS- INTENTIONAL SPIN TO LDG WITH INSUFFICIENT ALT FOR COMPLETE RECOVERY RESULTING IN HARD LDG OFF RWY
```

## Aircraft

- Registration: [N502GL](https://openairdocs.org/aircraft/N502GL), registered now, S/N 0502, built 1973 (OpenAirDocs)
- Reported make and model: GR LAKES 2T-1A
- Registry model: [Great Lakes 2T-1A](https://openairdocs.org/model/great-lakes-2t-1a) (registry code 3910106) (OpenAirDocs)
- Registry engine: [Lycoming 0-320 series](https://openairdocs.org/engine/lycoming-0-320-series) (registry code 41508, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Holtville

## 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 19740810025929A](https://openairdocs.org/incident/19740810025929A), Aug 10, 1974: Grtlks 2T1A, Holtville, CA, Substantial damage. Intentional spin to ldg with insufficient alt for complete recovery resulting in hard ldg off rwy

## Other investigations on N502GL (3)

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 WPR12CA007](https://openairdocs.org/ntsb/WPR12CA007), Oct 13, 2011: Great Lakes 2T-1A (N502GL), San Diego, CA, substantial damage. Probable cause: The pilot's excessive brake application during landing.
- [NTSB LAX05LA037](https://openairdocs.org/ntsb/LAX05LA037), Nov 13, 2004: Great Lakes 2T-1A (N502GL), San Diego, CA, substantial damage. Probable cause: the flight instructor's failure to maintain directional control during the landing rollout.
- [NTSB LAX02LA080](https://openairdocs.org/ntsb/LAX02LA080), Feb 9, 2002: Great Lakes 2T-1A-1 (N502GL), San Diego, CA, substantial damage. Probable cause: The pilot failed to maintain directional control after encountering a gust of wind during the landing roll. Factors were the unexpected wind gusts and the soft terrain adjacent to the 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.

---
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.