Clark SUPER Q2 N401JC

Summary

On 4 July 1983 at about 02:14 local time, a Clark SUPER Q2 registered N401JC was involved in an accident near San Diego, California, United States. One person was on board and one died. The aircraft was destroyed. No probable cause statement is available for this record.

Date

4 July 1983 at 02:14

Classification

Accident

Location

San Diego, California, United States

Nearest airport

Brown Field

Coordinates

Not recorded

Aircraft

Clark SUPER Q2

Registration

N401JC

Category

Airplane

Engines

1

Operator

Not recorded

Operating rule

Part 91: General Aviation

Purpose of flight

Business

Phase of flight

Not recorded

Aircraft damage

Destroyed

Weather

VMC

Light

Day

NTSB number

LAX83FUM08

1 person died.

The NTSB has not published a probable cause for this record. No probable cause statement is present in the source data.

Nothing about the cause is stated here that is not in the source record.

Read the full NTSB narrative

THE HOEM BUILT ACFT WAS CONSTRUCTED USING THE BASIC DESIGN OF THE Q2, A 2 PALCE PLANE WITH A CANARD. HOWEVER, IT WAS BUILT WITH SIGNIGICANT DESIGN CHANGES. THESE INCLUDED A 2ND ELEVATOR WHICH CREATED AT-TAIL. THE 2ND ELEVATOR WAS OPERATED BY A HANDLE WHICH WAS MOUNTED ON THE CONSOLE WALL. ALSO, THE ACFT WAS EQUIPPED WITH A 104 HP LIQUID COOLED ENG INSTEAD OF AN AIR COOLED 64 HP ENG; THE GROSS WT WAS INCREASED FROM 1000 TO 1350 LBS; & THE FUEL CAPACITY WAS INCREASED FROM 20 TO 36 GAL & AN ADDITIONAL AFT TANK WAS INSTALLED. AFTER HIS SPEED TAXI CHECKS, THE OWNER/BUILDER/PLT TOOK OFF ON HIS 1ST FLT. WITNESSES REPORTED THAT DURING TAKEOFF, THE CFT CLIMBED TO AN ALT OF APRX 100 TO 200 FT AGL, THEN ENTERED A STEEP DESCENT & CRASHED. NO PREIMPACT PART FAILURE WAS FOUND. THE HANDLE FOR THE 2ND ELEVATOR WAS FOUND IN A FULL TRAVEL (ACFT NOSE DOWN) POSITION. THE 2ND ELEVATOR WAS FOUND TO BE 'REVERSIBLE' & AIRLOADS AT TAKEOFF SPEEDS COULD HAVE DRIVEN IT TO A FULL TRAVEL (ACFT NOSE DOWN) POSITION.

Quoted verbatim from the NTSB record.