# Incident 20191224023899I: Boeing 747-45E, Marana, AZ, December 24, 2019

- Type: FAA incident report (Accident/Incident Data System), as reported
- Date: December 24, 2019, 15:05 local time
- Place: Marana, AZ
- Airport: Pinal Airpark
- Damage: Minor damage
- Phase of flight: Landing: Touchdown
- Operating rules: Air carrier (Part 121)
- Operator: UIEA
- Location: 32.5098° N, 111.3253° W: Placed by OpenAirDocs at PINAL AIRPARK (MZJ), within about a mile (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=32.5098&lon=-111.3253&mi=10
- Aircraft: N473MC, registered now (https://openairdocs.org/aircraft/N473MC) (OpenAirDocs)
- Registry model: Boeing 747-45E (registry code 1384947, https://openairdocs.org/model/boeing-747-45e) (OpenAirDocs)
- Registry engine: GE CF6-80C2B1F (registry code 30106, https://openairdocs.org/engine/ge-cf6-80c2b1f) (OpenAirDocs)
- Reported make and model: BOEING 747-45E
- Reported engine: GE CF6
- People aboard: 2
- Fatal injuries: 0
- Other injuries: 0
- Pilot certificates: Airline transport
- Pilot flight hours: 5,392 in this make and model, 50 in the last 90 days
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20191224023899I

## Narrative

As the FAA filed it, in capitals; the FAA replaces private details with ^PRIVACY DATA OMITTED^.

ON DECEMBER 24, 2019, N473MC, A BOEING 747-400SF, OPERATING AS GTI8756 FROM MINNEAPOLIS-ST. PAUL INTERNATIONAL AIRPORT (MSP) TO PINAL AIRPARK (MZJ) SUFFERED A POD STRIKE ON THE #4 ENGINE DURING LANDING. THE FERRY FLIGHT WAS OPERATED BY TWO (2) CREWMEMBERS, THE CAPTAIN (CA) ACTING AS PILOT FLYING (PF) AND THE FIRST OFFICER (FO) ACTING AS PILOT MONITORING (PM).

GTI8756 WAS DISPATCHED IN ACCORDANCE WITH COMPANY GUIDANCE AND FAA REGULATIONS. THE FLIGHT CREW DID NOT REQUEST A BRIEFING FROM DISPATCH AND DID NOT CONTACT DISPATCH FOR ASSISTANCE IN OBTAINING UP TO DATE WEATHER EN ROUTE. THIS WAS THE CA?S FIRST OPERATION INTO MZJ.

MZJ IS A VISUAL FLIGHT RULES (VFR) AIRPORT WITH NO INSTRUMENT APPROACHES OR WEATHER REPORTING TOOLS. MZJ IS A SPECIAL AIRPORT PER THE COMPANY FLIGHT OPERATIONS MANUAL (FOM), REQUIRING THE CA TO MAKE THE LANDING. THE COMPANY HAS SEEN A 23% INCREASE OF OPERATIONS INTO MZJ OVER THE LAST 12 MONTHS.

A WEATHER FRONT WAS PASSING THROUGH THE AREA AS THE FLIGHT ARRIVED IN MZJ. WINDS AT AVQ, A REGIONAL AIRPORT 8.1 NM AWAY, CALLED FOR A LANDING ON RUNWAY 12. TUS APPROACH REPORTED LIGHT PRECIPITATION IN THE AREA. THE FLIGHT CREW DID NOT REFERENCE THE MZJ ASOS FOR UP TO DATE WEATHER INFORMATION.

THE FLIGHT MADE THREE (3) APPROACHES, MANUALLY FLOWN WITHOUT AUTOMATION ASSISTANCE OR PROPER LATERAL AND VERTICAL GUIDANCE. THE FIRST APPROACH WAS TO RUNWAY 12, FAILING TO LINE UP WITH THE RUNWAY AND OVERSHOOTING THE TURN TO FINAL. AT 1,000 FT. ABOVE GROUND LEVEL (AGL), THE AIRCRAFT WAS 11 KNOTS ABOVE THE VREF OF 138 KNOTS, RIGHT OF CENTERLINE, AND MANEUVERING. THE CA INITIATED A GO AROUND AT 650 FT. AGL. WINDS ON THE NAVIGATION DISPLAY (ND) INDICATED A TAILWIND ON FINAL APPROACH.

THE SECOND APPROACH WAS TO RUNWAY 12. WHILE IN THE TRAFFIC PATTERN, ALTITUDE VARIED BETWEEN 3,100 FT. AND 3,400 FT. AS THE CA MANUALLY FLEW. THE SECOND APPROACH WAS HIGH AND FAST, UNDERSHOOTING THE TURN TO FINAL. JUST SHORT OF THE RUNWAY THRESHOLD, AT 250 FT. AGL, THE AIRCRAFT WAS IN A 1,300 FOOT PER MINUTE (FPM) DESCENT. THE CA INITIATED A GO AROUND OVER THE RUNWAY THRESHOLD AT 180 FT. AGL. WINDS ON THE ND INDICATED A TAILWIND ON FINAL APPROACH.

DURING THE THIRD AND FINAL APPROACH, THE CREW RECEIVED A ?DON?T SINK? WARNING AT A HEIGHT OF 1,282 FT. AGL AS THE CA MANUALLY FLEW THE AIRCRAFT. ONCE ESTABLISHED ON DOWNWIND FOR RUNWAY 12 SOMEONE ON THE GROUND RADIOED THE FLIGHT CREW ON THE UNICOM FREQUENCY THAT WINDS ARE FAVORING RUNWAY 30. THE FLIGHT CREW MANEUVERED FOR AN APPROACH TO RUNWAY 30 WITHOUT CONDUCTING A NEW BRIEFING, RECALCULATING PERFORMANCE, OR RUNNING THE LANDING CHECKLIST. THE TURN TO FINAL FOR RUNWAY 30 WAS MADE PAST THE EXTENDED CENTERLINE FOR RUNWAY 30, CAUSING AN OVERSHOOT. AT 1,000 FT. AGL, THE AIRCRAFT WAS 15 KNOTS ABOVE VREF, 17 DEGREES OFF THE RUNWAY HEADING, AND IN AN UNCOORDINATED TURN, THE FO DID NOT MAKE ANY REQUIRED CALLOUTS.

WHEN THE AIRCRAFT CROSSED THE RUNWAY 30 THRESHOLD AT 50 FT. AGL, IT WAS NOT OVER THE PAVED RUNWAY AND AIRSPEED WAS 20 KNOTS BELOW VREF. THE CA APPLIED FULL RIGHT RUDDER TO ALIGN THE AIRCRAFT WITH THE CENTERLINE, ADDING OPPOSITE AILERON TO COUNTERACT ROLL FORCES. THE AIRCRAFT TOUCHED DOWN SIX (6) KNOTS ABOVE STALL SPEED WITH 8 DEGREES OF BANK, CAUSING THE #4 ENGINE POD TO IMPACT THE RUNWAY.

THIS EVENT OCCURRED AFTER THE CREW FLEW THREE (3) UNSTABLE APPROACHES WITHOUT VERTICAL GUIDANCE OR THE ASSISTANCE OF AUTOMATION. THE CREW WAS UNFAMILIAR WITH THE VFR ONLY AIRPORT AND ARRIVED DURING A FRONTAL PASSAGE. THE CREW WAS UNABLE TO IDENTIFY THE CHANGING WEATHER CONDITIONS AND ADJUST THEIR APPROACH PLAN ACCORDINGLY.

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. For accidents, the NTSB's own investigation is the fuller record.

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