CHKLISTS USE INCOMPATIBLE WITH ACFT EQUIP OPERATING PROCS.

1993-10 · NASA ASRS report 259707

Date: 1993-10 · Aircraft: Medium Large Transport; Low Wing; 2 Turbojet Eng

Anomalies: aircraft-equipment-problem-critical|deviation-discrepancy-procedural-other-unknown|other-unspecified

Synopsis

CHKLISTS USE INCOMPATIBLE WITH ACFT EQUIP OPERATING PROCS.

Narrative

ON DEC/XX/93; OUR AIRLINES INSTITUTED NEW CHKLISTS FOR ALL ACFT; WHICH CONSIST OF WDB'S; LGT'S; AND MLG'S. THE REASONS FOR THIS DRASTIC REWRITING OF CHKLISTS ARE: 1) TO EXPEDITE TAXI FROM THE GATE AREA BY ELIMINATING AN AFTER START CHKLIST (WHICH IS ACCOMPLISHED WHILE STOPPED) AND PLACING THESE ITEMS ON A BEFORE TKOF CHKLIST (WHICH IS ACCOMPLISHED WHILE MOVING). 2) TO 'STANDARDIZE' ALL FLEETS IN ORDER TO JUSTIFY FUTURE TRAINING PROGRAM REDUCTIONS. THE RESULT HAS BEEN A DISRUPTION OF PROVEN FLOW PATTERNS AND ELIMINATION OF CRITICAL CHKLIST ITEMS IN THE MLG FLT MANUAL; PERFORMANCE AND PROCS; REVISION #52; PAGE N18; THE 'ENG START AFTER PUSHBACK' DIALOGUE BTWN THE GND AND THE CAPT IS IN ERROR. THE GND IS GIVING THE 'CLRED TO START ENGS' SIGNAL PRIOR TO TOW BAR REMOVAL. ON THE MLG THIS CAN CAUSE SERIOUS DAMAGE AND INJURY; BECAUSE OF THE POSSIBILITY OF PRESSURIZING THE 'A' HYD SYS; WHICH PWRS THE NOSEWHEEL STEERING. THIS COULD CAUSE THE NOSE GEAR TO TURN THE TOW BAR. ALTHOUGH ALL ACR MLG PLTS ARE AWARE OF THIS; GND PERSONNEL ARE NOT; AND ARE CLRING ALL ACFT TO START ENGS ON PUSHBACK. ACR IS ATTEMPTING TO 'FORCE-FEED' STANDARDIZATION; AND IS USING THE NASA STUDY OF MAY 1990 TO JUSTIFY IT. IT APPEARS THAT THEY TOOK THE STUDY OUT OF CONTEXT AND TOOK LIBERTY WITH THE FINDINGS AS JUSTIFICATION TO RADICALLY CHANGE ALL PROCS. HISTORICALLY; CHKLISTS ARE WRITTEN IN SOMEBODY'S BLOOD (SOMEBODY WAS KILLED USING THE OLD; OR NO PROC). THESE CHKLISTS WERE WRITTEN IN CATSUP; MUSTARD; AND MAYONNAISE AROUND THE CAFETERIA LUNCH TABLE.

Source: NASA Aviation Safety Reporting System (public domain). Reports are voluntary submissions and are not verified by NASA.

Loading the flight search…

Frequently asked questions

How do I search flights by aircraft type on FlightFinder?

Pick an aircraft model — Boeing 737, Airbus A320, A380, Boeing 787 Dreamliner and more — enter your origin airport, and FlightFinder shows every route that plane flies from there with live fares.

Which aircraft types can I filter by?

We support Boeing 737/747/757/767/777/787, the full Airbus A220/A319/A320/A321/A330/A340/A350/A380 family, Embraer E170/E175/E190/E195, Bombardier CRJ and Dash 8, and the ATR 42/72 turboprops.

Is FlightFinder free to use?

Search and schedules are free. Pro ($4.99/month, $39/year, or $99 one-time lifetime) unlocks the enriched flight card — on-time stats, CO₂ per passenger, amenities, live gate & weather — plus My Trips with push alerts.

Where does the route data come from?

Live schedules come from Amadeus, AeroDataBox and Travelpayouts. Observed routes (which aircraft actually flew a given city pair) are crowdsourced from adsb.lol ADS-B data under the Open Database License.