LAX00LA315

NTSB accident investigation · Pitts S1S · Westminister, CA · August 28, 2000

Accident · No injuriesLimited investigationFinal report
Date
August 27, 2000, 18:50 local (Aug 28, 2000, 01:50 UTC)
Place
Westminister, CA
Injuries
2 uninjured
Phase of flight
Maneuvering
Aircraft
N9PJPitts S1SN6225RCessna 172RG
Weather
Visual (VMC) · Day
Status
Completed · report November 1, 2001
Report
Approved by Office Director
Case key
50130

From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.

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Probable cause

The pilot of the Pitts misjudged the clearance while maneuvering under the Cessna.

Sequence of events

NTSB’s coding before 2008: each occurrence and phase of flight, and the causes and factors under it. The codes are defined in NTSB’s coding manual.

Midair collisionManeuvering
Clearance - misjudgedPilot in commandCause
Midair collisionManeuvering
Clearance - misjudgedPilot of other aircraftCause

Analysis

The airplanes collided in-flight as the Pitts maneuvered from behind to in front of the Cessna. The pilots stated they were flying each other's airplane. The pilots established radio and visual contact with each other. The Pitts assumed a trail position behind the Cessna. The Pitts varied its distance and position relative to the Cessna. Cruise altitude was about 1,000 feet. The Cessna turned left and began a gradual climb to 1,500 feet. About 1,400 feet, the Pitts pilot advised the Cessna pilot to hold still and the Cessna pilot acknowledged. The Cessna pilot leveled off and held his course. He knew from their years of flying together that the Pitts pilot would come below him. As the Pitts maneuvered from behind to in front of the Cessna, the Cessna's propeller severed the top half of the Pitts' vertical stabilizer and rudder. The Cessna's damaged propeller set up a vibration. The Pitts pilot maintained control of his airplane. The pilots discussed their options and elected to divert to Fullerton. They advised the tower of their situation and asked for emergency equipment to be on hand. The Cessna pilot landed first, and the Pitts pilot evaluated the amount of control available. After the emergency equipment arrived, the Pitts landed uneventfully.

Factual narrative

On August 27, 2000, about 1850 hours Pacific daylight time, a Pitts S1S, N9PJ, sustained substantial damage when it collided in-flight with a Cessna 172RG, N6225R, near Westminster, California. Both airplanes were maneuvering during a formation flight when the collision occurred. Both airplanes made successful landings at the Fullerton, California, airport following the collision. Their respective owners were operating the airplanes under 14 CFR Part 91. The Pitts S1S sustained substantial damage to the empennage, while the Cessna 172RG incurred minor propeller damage. The commercial pilots, the sole occupants of their respective airplanes, were not injured. The personal flights departed Dougherty Field, Long Beach, California, en route to the Cable Airport, Upland, California, about 1840. Visual meteorological conditions prevailed and no flight plans had been filed.

The pilots stated they were flying each other's airplane. The Pitts departed first, and the Cessna followed. Once over the coastline and clear of the Long Beach airport traffic area, they established radio and visual contact with each other. The Pitts circled and assumed a trail position behind the Cessna. The Pitts pilot said he varied his distance and position relative to the Cessna. Cruise altitude was about 1,000 feet. As they approached the Huntington Beach Pier, the Cessna turned left toward Disneyland and began a gradual climb to 1,500 feet.

About 1,400 feet, the Pitts pilot advised the Cessna pilot to hold still and the Cessna pilot acknowledged. The Cessna pilot leveled off and held his course. He knew from their years of flying together that the Pitts pilot would come below him. As the Pitts maneuvered from behind to in front of the Cessna, the Cessna's propeller severed the top half of the Pitts' vertical stabilizer and rudder. The Cessna's damaged propeller set up a vibration. The Pitts pilot maintained control of his airplane.

The pilots discussed their options and elected to divert to Fullerton. They advised the tower of their situation and asked for emergency equipment to be on hand. The Cessna landed first, and the Pitts pilot evaluated the amount of control available. After the emergency equipment arrived, the Pitts landed uneventfully.

Aircraft · 2

Registration
N9PJ
Reported as
Pitts S1S
Category
Airplane
Serial number
1-0037
Airframe hours
904
Engine
Lycoming AEIO-360-B4A, 180 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Registered owner
Martin W. Kusch
Airworthiness certificate
Special, Experimental (Special)
Last inspection
AAIP · January 1, 2000 · 28 hours before
Departed
LGB · Long Beach, CA
Destination
CCB · Upland, CA

Matched to the registry by N-number and the event date; the registry’s history has gaps, so older matches can be wrong. Compare the reported make and model.

Registration
N6225R
Reported as
Cessna 172RG
Category
Airplane
Serial number
172RG0122
Airframe hours
3,201
Engine
Lycoming O-360-F16A, 180 horsepower, reciprocating
Damage
Minor damage
Flight
Personal · Part 91
Registered owner
Michael F. Hartman
Airworthiness certificate
Standard, Normal
Last inspection
Annual · October 1, 1999 · 85 hours before
Departed
LGB · Long Beach, CA
Destination
CCB · Upland, CA

Matched to the registry by N-number and the event date; the registry’s history has gaps, so older matches can be wrong. Compare the reported make and model.

Flight crew · 2

As NTSB recorded them. NTSB leaves out names.

Role
Pilot, aircraft N9PJ
Age
40
Certificates
Commercial, Flight instructor
Airplane ratings
Multi-engine land, Single-engine land
Instrument ratings
Airplane
Medical
Class 2, Valid Medical--w/ waivers/lim
Seat
Front
Flight hours
5,800 total · 39 in this make and model · 5,690 as pilot in command · 157 in the last 90 days · 44 in the last 30 days · 5 in the last 24 hours
Role
Pilot, aircraft N6225R
Age
33
Certificate
Commercial
Airplane ratings
Single-engine land
Medical
Class 2, Valid Medical--w/ waivers/lim
Seat
Left
Flight hours
1,919 total · 132 in this make and model · 1,834 as pilot in command · 27 in the last 90 days · 5 in the last 30 days · 1 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
Variable at 6 knots
Visibility
10 statute miles
Lowest ceiling
None
Temperature
158 °F, dew point 145 °F
Altimeter
29.00 inHg
Observed at
FUL, 5 nm away

FAA reports on this event · 2

The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.