# NTSB UNK65X0760: Martin M-404, N442E, San Francisco, CA, November 20, 1964

- Type: NTSB incident investigation
- Classification: Incident · No injuries · Closed
- Date: November 20, 1964
- Place: San Francisco, CA · SAN FRANCISCO, CA
- Location: 37.7750° N, 122.4194° W: Placed by OpenAirDocs: center of San Francisco, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=37.7750&lon=-122.4194&mi=10
- Phase of flight: [Taxi](https://openairdocs.org/ntsb-phases/250) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 73 uninjured
- Status: Completed, report February 23, 1965
- Report: Brief approved by the director
- NTSB case key (mKey): 180572
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=UNK65X0760
- Page: https://openairdocs.org/ntsb/UNK65X0760

## NTSB brief (aircraft 2)

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
4-0049  64/11/20   SAN FRANCISCO CAL   DOUGLAS DC-6        CR-  0  0  5  SCHED DOM PASSG SRV       UNK/NR INSTRUMENT RATED.
        TIME - 1008                    N93128              PX-  0  0 52
                                       DAMAGE-MINOR        OT-  0  0 16
        CLASSIFIED AS INCIDENT
        NAME OF AIRPORT - SAN FRANCISCO INT
        OPERATOR - WESTERN AIR LINES,INC.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH AIRCRAFT: BOTH ON GROUND                  TAXI: TO TAKEOFF
```

## NTSB brief (aircraft 1)

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
4-0049  64/11/20   SAN FRANCISCO CAL   MARTIN M-404        CR-  0  0  3  COMMERCIAL                UNK/NR INSTRUMENT RATED.
        TIME - 1008                    N442E               PX-  0  0 13  CTR PASSG-D
                                       DAMAGE-MINOR        OT-  0  0 57
        CLASSIFIED AS INCIDENT
        NAME OF AIRPORT - SAN FRANCISCO INT
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH AIRCRAFT: BOTH ON GROUND                  TAXI: TO TAKEOFF
```

## Aircraft 1

- Registration: N442E (not matched to a registry record)
- Reported make and model: MARTIN M-404
- Category: Airplane
- Engines: reciprocating
- Damage: Minor damage
- Airport: San Francisco Int

## Aircraft 2

- Registration: [N93128](https://openairdocs.org/deregistered/N93128-1971-05-28), registration cancelled 1971-05-28, S/N 45324 (OpenAirDocs)
- Reported make and model: DOUGLAS DC-6
- Registry model: [Douglas DC-6B](https://openairdocs.org/model/douglas-dc-6b) (registry code 3021712) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Minor damage
- Airport: San Francisco Int

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.